Qolsys IQ Wireless S-Line Encrypted Keyfob
Keychain Remote for 319.5 MHz Wireless Panels
Enjoy quick remote control over your security system with the Qolsys IQ Wireless S-Line Encrypted Keyfob (AKA the IQ Fob). Perfect for when you leave home, or arrive, this keychain remote allows you to arm and disarm your system with the convenient push of a button. It works up to 100 feet away from your compatible control panel/receiver (319.5 MHz wireless frequency), such as a GE/Interlogix Panel (NetworX, Simon, etc.) or a Qolsys IQ Panel, and it's disguised to look like a standard car remote for a little extra security.
In addition to arm/disarm control, the 4-button IQ Fob also has buttons for turning a light On/Off (requires lights programmed into your system) and an auxiliary button for custom functionality. Finally, if you press and hold the Arm/Disarm buttons together for 3 seconds, you can trigger a panic alarm.
- Remotely arm, disarm, trigger alarm, and more
- Compatible with 319.5 MHz wireless panels, such as GE/Interlogix or Qolsys IQ
- Wireless range up to 100 feet from panel
- "S-Line" encryption protects signals
- Arm – Stay Mode: Press "Lock" button once
- Arm – Away Mode: Press "Lock" button twice
- Disarm: Press "Unlock" button
- Panic Alarm: Press "Lock" and "Unlock" simultaneously for 3 seconds
- Turn Light On/Off: Press "Light" button
- Custom Function (programmable): Press "Star" button
About S-Line Encryption
Qolsys wireless devices that feature S-Line ("Secure Line") technology offer advanced encryption to safeguard your wireless signals against hacking.
The technology employs an advanced encryption scheme between the wireless sensor/device and the control panel to ensure that wireless event transmissions are always unique, preventing and eliminating common replay attacks (when an unscrupulous person uses an easy-to-purchase software-defined radio or "listening device" to replay events that were previously sent by wireless devices paired with a security system.) At time of pairing, S-Line technology passes a unique key which enables the encryption algorithm for unique event transmissions, thereby preventing such replay attacks.
NOTE: Requires connection to a compatible control panel/receiver (319.5 MHz wireless frequency), such as a GE/Interlogix Panel (NetworX, Simon, etc.), Qolsys IQ Panel, Leviton 64-Zone Receiver for GE/Interlogix, Elk M1 Wireless Receiver for GE/Interlogix Crystal Transmitters, or other legacy 319.5 MHz system (all sold separately).
Qolsys: All In One. Always Connected.
Founded in 2010 with the mission to improve lives through technology, Qolsys develops innovative life safety, security, and home control devices built to set a higher standard for the industry. Qolsys products are flexible, intuitive, and reliable. As Qolsys says, "There's never been a better time to get connected."
Compatible 319.5 MHz Wireless Panels/Receivers*
- GE/Interlogix Panel (NetworX, Simon, etc.)
- Qolsys IQ Panel (Version 1 or 2)
- Leviton 64-Zone Receiver for GE/Interlogix (part 42A00-2)
- Elk M1 Wireless Receiver for GE/Interlogix Crystal Transmitters (part ELK-M1XRFEG)
*Panels and receivers are sold separately.
- Manufacturer Part #: QS1331-840
- Color: Black
- Transmitter Frequency: 319.5 MHz
- Wireless Signal Range: 100 feet (30 m), open air.
- Approvals: FCC, IC
- Warranty: 1-Year Limited


Synopsys Verification IP for MIPI DSI
Synopsys® VIP solution for MIPI Display Serial Interface (DSI) helps the verification of DSI Hosts or DSI Devices. MIPI-DSI VIP supports both High Speed (HS) transmission and Escape Mode. In Escape Mode it supports Ultra Low Power State (ULPS), Low Power Data Transmission (LPDT), Trigger messages and Bus Turnaround. It simplifies testbench development by enabling engineers to use a single VIP to verify multiple transmission modes across the full DSI protocol. It includes many new features to accelerate testbench development. Synopsys VIP for MIPI DSI is integrated with the Synopsys VIP Protocol Analyzer, a protocol-centric debug environment that gives users an easy to understand, graphical view of complex and highly interleaved traffic. Synopsys VIP solution for MIPI DSI includes a sequence library to accelerate testbench development.
||D-PHY, Serial and PPI
||UVM, VMM, OVM, Verilog
||VCS, Questa, IUS


RF Systems Engineering Manager - Instrument Engineering
Shenzhen, Guangdong, China
Join our Wireless team and drive innovation that matters! We’re looking for an R&D engineering manager experienced in RF, communication, software or signal processing to join the growing Instrument Engineering team at Apple. This is a hands-on role including both people management and technical leadership. This small team of extraordinary engineers designs and produces precision RF and Analog Test Equipment for use in calibrating and testing cellular, 5G, WiFi, BT, mmWave, UWB and NFC radios in millions of iPhones, iPads, Macs and Watches. All members of the team bring their own outstanding expertise to collectively take internal Apple products from concept to mass production. Each internal product is designed to Apple's exacting standards resulting in breathtaking test equipment that maintains the quality, accuracy and function of commercially available offerings.
- Excellent understanding of RF fundamentals, DSP and communications theory
- Experience with writing efficient and scalable software in at least one of these languages: Python, C, C++ or Matlab
- Recent experience using RF test equipment
- Excellent communication and interpersonal skills with native fluency in Mandarin-Chinese and proficiency in English
- International travel up to 10% is required
You will lead and manage a team of R&D engineers that create and support in-house designed RF test equipment. Mentor junior and senior engineers, work with cross-functional international teams and communicate with contract manufacturing vendors. Contribute towards automation software development used to control and characterize RF test equipment. Debug issues using your knowledge of RF measurement, signal processing, hardware and software and present findings to cross-functional teams.
Education & Experience
Bachelor’s degree is needed, and we highly value Master’s or above. Relevant fields include Electrical Engineering, Maths and Physics.
- PREFERRED SKILLS
- - 4+ years of proven R&D engineering experience
- - Recent experience as engineering manager or technical leader
- - Recent experience with a wireless technology such as 5G, 4G, WiFi, UWB, Bluetooth or NFC


Is it possible to create real time recording of call in progress which is in progress, to an audio file? For example call is established for more than 1h. I need to create such logic that i could store (already passed) parts of conversation to an audio file. So i could listen them (in external app), before call will be terminated.
it possible with asterisk?
Besr regards, KB


Software defined radios can have many more applications other than just radio. For example, it's possible to connect an ultrasonic sensor which outputs a waveform at some frequency above DC directly to the input of an SDR. We can then simply treat the sensor output as an RF signal, and view it in any SDR compatible software that shows us a spectrum. Normally you'd use a microcontroller with ADC to process the output of these sensors, but using an SDR makes visualizing and experimenting with these sensors much easier.
Over on YouTube W1VLF has uploaded a video showing his experiments with an ultrasonic sensor connected to his Airspy HF+. In his experiment he places the Airspy HF+ with directly connected ultrasonic sensor in one room, and sets up an ultrasonic emitter in another room. He then uses SDR# to view the 24 kHz ultrasonic sensor signal output on the computer. As he moves the sensor around it's possible to clearly see the doppler shift of the ultrasonic sound waves on the waterfall.
In the past we've also posted about Jan de Jong who experimented with using a piezo speaker connected to an SDRplay RSP1A to detect the ultrasonic navigation sounds from bats.


Home Internet in Hilham, TN
Internet Providers in Hilham, Tennessee
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Best Internet Provider In Hilham, TN
Twin Lakes Telephone serves as the premier internet service provider in Hilham, Tennessee, offering both fiber and DSL connections. Twin Lakes promises an unbeatable maximum download speed of 2 Gbps, while also providing comprehensive, 100% coverage to all Hilham residents. Their plans, starting at only $49.99 per month, are perfect for intensive use scenarios — whether you're a gamer, streamer, or just part of a large household that needs a high-speed connection.
Following closely behind Twin Lakes are Viasat Internet and HughesNet, which likewise assure complete coverage in Hilham. Viasat's satellite service delivers a solid maximum download speed of 30 Mbps and starts at the same competitive price of $49.99 per month. HughesNet is not far off, with its satellite connection offering maximum speeds of 25 Mbps in the same monthly price bracket.
Although some areas still lack DSL and cable connectivity, the availability of fiber and satellite technologies from these providers ensures residents always have an internet solution that fits their needs. The presence of Twin Lakes, Viasat, and HughesNet makes certain that the entire community retains access to the digital world, even where gaps exist.
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New technology for gas flow measurement sets temperature record of 800 degrees Celsius -- ideal for use in deep drilling operations, nuclear reactor cores and outer space
By fusing together the concepts of active fiber sensors and high-temperature fiber sensors, a team of researchers at the University of Pittsburgh has created an all-optical high-temperature sensor for gas flow measurements that operates at record-setting temperatures above 800 degrees Celsius.
An artist's rendering of the fiber optic flow sensor. The glowing red sections along the optical fiber are the sensors--hundreds of these sensors can be packed into a single fiber. Image credit: Kevin Chen, University of Pittsburgh.
This technology is expected to find industrial sensing applications in harsh environments ranging from deep geothermal drill cores to the interiors of nuclear reactors to the cold vacuum of space missions, and it may eventually be extended to many others.
The team describes their all-optical approach in a paper published today in The Optical Society’s (OSA) journal Optics Letters. They successfully demonstrated simultaneous flow/temperature sensors at 850 C, which is a 200 C improvement on an earlier notable demonstration of MEMS-based sensors by researchers at Oak Ridge National Laboratory.
The basic concept of the new approach involves integrating optical heating elements, optical sensors, an energy delivery cable and a signal cable within a single optical fiber. Optical power delivered by the fiber is used to supply energy to the heating element, while the optical sensor within the same fiber measures the heat transfer from the heating element and transmits it back.
“We call it a 'smart optical fiber sensor powered by in-fiber light',” said Kevin P. Chen, an associate professor and the Paul E. Lego Faculty Fellow in the University of Pittsburg’s Department of Electrical and Computer Engineering.
The team’s work expands the use of fiber-optic sensors well beyond traditional applications of temperature and strain measurements. “Tapping into the energy carried by the optical fiber enables fiber sensors capable of performing much more sophisticated and multifunctional types of measurements that previously were only achievable using electronic sensors,” Chen said.
In microgravity situations, for example, it’s difficult to measure the level of liquid hydrogen fuel in tanks because it doesn’t settle at the bottom of the tank. It’s a challenge that requires the use of many electronic sensors—a problem Chen initially noticed years ago while visiting NASA, which was the original inspiration to develop a more streamlined and efficient approach.
“For this type of microgravity situation, each sensor requires wires, a.k.a. ‘leads,’ to deliver a sensing signal, along with a shared ground wire,” explained Chen. “So it means that many leads—often more than 40—are necessary to get measurements from the numerous sensors. I couldn’t help thinking there must be a better way to do it.”
It turned out, there is. The team looked to optical-fiber sensors, which are one of the best sensor technologies for use in harsh environments thanks to their extraordinary multiplexing capabilities and immunity to electromagnetic interference. And they were able to pack many of these sensors into a single fiber to reduce or eliminate the wiring problems associated with having numerous leads involved.
“Another big challenge we addressed was how to achieve active measurements in fiber,” Chen said. “If you study optical fiber, it’s a cable for signal transmission but one that can also be used for energy delivery—the same optical fiber can deliver both signal and optical power for active measurements. It drastically improves the sensitivity, functionality, and agility of fiber sensors without compromising the intrinsic advantages of fiber-optic sensors. That’s the essence of our work.”
Based on the same technology, highly sensitive chemical sensors can also be developed for cryogenic environments. “The optical energy in-fiber can be tapped to locally heated in-fiber chemical sensors to enhance its sensitivity,” Chen said. “In-fiber optical power can also be converted into ultrasonic energy, microwave or other interesting applications because tens or hundreds of smart sensors can be multiplexed within a single fiber. It just requires placing one fiber in the gas flow stream—even in locations with strong magnetic interference.”
Next, the team plans to explore common engineering devices that are often taken for granted and search for ways to enhance them. “For fiber sensors, we typically view the fiber as a signal-carrying cable. But if you look at it from a fiber sensor perspective, does it really need to be round or a specific size? Is it possible that another size or shape might better suit particular applications? As a superior optical cable, is it also possible to carry other types of energy along the fibers for long-distance and remote sensing?” Chen noted. “These are questions we’ll address.”
Paper: “Fiber-optic flow sensors for high-temperature-environment operation up to 800°C,” R. Chen at al., Optics Letters, Vol. 39, Issue 13, pp. 3966-3969 (2014).
EDITOR’S NOTE: An artist’s rendering of the sensor is available to members of the media upon request. Contact Angela Stark, email@example.com.
About Optics Letters
Published by The Optical Society (OSA), Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. This journal, edited by Xi-Cheng Zhang of the University of Rochester and published twice each month, is where readers look for the latest discoveries in optics. Visit www.OpticsInfoBase.org/OL.
Founded in 1916, The Optical Society (OSA) is the leading professional society for scientists, engineers, students and business leaders who fuel discoveries, shape real-world applications and accelerate achievements in the science of light. Through world-renowned publications, meetings and membership programs, OSA provides quality research, inspired interactions and dedicated resources for its extensive global network of professionals in optics and photonics. For more information, visit www.osa.org.
Angela Stark | Eurek Alert!
Scientists begin modeling universe with Einstein's full theory of general relativity
27.06.2016 | Case Western Reserve University
Seeds of black holes could be revealed by gravitational waves detected in space
27.06.2016 | Durham University
High resolution rotational spectroscopy reveals an unprecedented number of conformations of an odorant molecule – a new world record!
In a recent publication in the journal Physical Chemistry Chemical Physics, researchers from the Max Planck Institute for the Structure and Dynamics of Matter...
Strands of cow cartilage substitute for ink in a 3D bioprinting process that may one day create cartilage patches for worn out joints, according to a team of engineers. "Our goal is to create tissue that can be used to replace large amounts of worn out tissue or design patches," said Ibrahim T. Ozbolat, associate professor of engineering science and mechanics. "Those who have osteoarthritis in their joints suffer a lot. We need a new alternative treatment for this."
Cartilage is a good tissue to target for scale-up bioprinting because it is made up of only one cell type and has no blood vessels within the tissue. It is...
Physicists in Innsbruck have realized the first quantum simulation of lattice gauge theories, building a bridge between high-energy theory and atomic physics. In the journal Nature, Rainer Blatt‘s and Peter Zoller’s research teams describe how they simulated the creation of elementary particle pairs out of the vacuum by using a quantum computer.
Elementary particles are the fundamental buildings blocks of matter, and their properties are described by the Standard Model of particle physics. The...
A year and a half on the outer wall of the International Space Station ISS in altitude of 400 kilometers is a real challenge. Whether a primordial bacterium...
Researchers at Case Western Reserve University have developed a way to swiftly and precisely control electron spins at room temperature.
09.06.2016 | Event News
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This paper develops a practical receiver suggested for cooperative systems using decode-and-forward transmission and compares it to the theoretical sub-optimum λ-MRC receiver model. The proposed receiver model adopts a channel blind λ-combiner and employs a practical estimation of the combiner's weight λ that changes adaptively for each received bit. The λ estimation process relies on a dynamic-blind calculation performed on the incoming bit stream using an approximate formula. The accuracy of the estimated values of λ against the numerical (optimum) values is verified by comparing their effects on the performance curves. Next, the performance of the proposed receiver is evaluated against the sub-optimum receiver using the closed-form performance equations then verified using an actual implementation of the decode-and-forward cooperative algorithm. The use of the proposed receiver is shown to have reliable performance under different channel assignments and provides adaptivity to channel variations without complexity or exaggerated signal processing.
2. Sendonaris, A. , E. Erkip, and B. Aazhang, "User cooperation diversity --- Part II: Implementation aspects and performance analysis," IEEE Transactions on Communications, Vol. 51, No. 11, 1939-48, 2003.
3. Nosratinia, A. , T. Hunter, and A. Hedayat, "Cooperation communication in wireless networks," IEEE Communication Magazine, 74-80, 2004.
4. Laneman, J. N., "Cooperative diversity in wireless networks: Algorithms and architectures,", Ph.D. Thesis, Massachusetts Institute of Technology, Sep. 2002.
5. Laneman, J. N. , D. N. Tse, and G. W. Wornell, "Cooperative diversity in wireless networks: E±cient protocols and outage behavior," IEEE Transactions Information Theory, Vol. 50, No. 12, 3062-3080, 2004.
6. Azarian, K. , H. El Gamal, and P. Schniter, "On the achievable diversity-multiplexing tradeoff in half duplex cooperative chan-nels," IEEE Transactions Information Theory, Vol. 51, No. 12, 4152-4172, 2005.
7. Cover, T. M. and A. El Gamal, "Capacity theorems for the relay channel," IEEE Transactions Information Theory, Vol. 25, No. 5, 572-584, 1979.
8. Venturino, L. , X. Wang, and M. Lops, "Multiuser detection for cooperative networks and performance analysis," IEEE Transactions on Signal Processing, Vol. 54, No. 9, 2006.
9. El-Ganainy, N. O. and S. E. El-Khamy, "A new cooperative diversity protocol for CDMA signaling using complete complementary codes," URSI General Assembly Conference,, Chicago, Illinois, USA, Aug. 2008.
10. Fan, P. and M. Darnell, Sequence Design for Communications Applications, 311-336, John Wiley & sons Inc., 1996.
11. Suehiroand, N. and M. Hatori, "N-shift cross-orthogonal sequences," IEEE Transactions on Information Theory, Vol. 34, No. 1, 143-146, 1988.
12. Luke, H. D., "Sets of one and higher dimensional welti codes and complementary codes," IEEE Transactions on Aerospace and Electronic Systems, Vol. 21, No. 2, 170-179, 1985.
13. Li, S., J. Chen, L. Zhang, and Y.-Q. Zhou, "Application of complete complementary sequence in orthogonal MIMO SAR system," Progress In Electromagnetics Research C, Vol. 13, 51-66, 2010.
14. Chen, H., H. Chiu, and M. Guizani, "Orthogonal complementary codes for interference-free CDMA technologies," IEEE Communications Magazine, 68-79, 2006.
15. Tseng, S. and M. R. Bell, "Asynchronous multicarrier DS-CDMA using mutually orthogonal complementary sets of sequences," IEEE Transactions on Communications, Vol. 48, No. 1, 53-59, 2000.


Optimal Antenna Solutions for Appealing Mobile Devices
Pulse Wireless Consumer Division is a global leader in antennas for mobile phones, smart phones, tablets, laptops and other mobile connected devices. We have a uniquely far-reaching understanding of the antennas and RF issues of modern mobile terminals. The combining of our openness to new ideas with our extensive manufacturing capability has made us the market leader in our field.
2 billion mobile antennas delivered
We have delivered over 2 billion mobile antennas. Through our unique expertise, we are able to provide antenna solutions that allow mobile device manufacturers to realise their future product generations. Our customers include the leading manufacturers of mobile devices.
The mobile market is moving rapidly toward increased complexity, as new functions are integrated into mobile devices and the overall range of device categories is expanding. In addition, both low-end and high-end devices must comply with ever-tightening operator requirements.
Understanding of the challenges
Through its unique expertise, Pulse has a thorough understanding of the challenges that the increased complexity poses on mobile antennas. The division is in a leading position to provide optimal antenna solutions for appealing mobile devices.
Pulse Wireless Consumer Division´s Businss Center and Main Manufacturing site is in Suzhou, China. Main R&D, Sales and Global Marketing is located in Finland and other service offices are in Beijjing/China, South Korea, Taiwan and the USA. Pulse is committed to the best customer service possible.


Separate names with a comma.
Discussion in '3CX Phone System - General' started by simonatkins, Jul 8, 2014.
Is it possible to answer a call which is ringing an extension using the API?
Yes you can achieve lot of things through API.
Please refer to the CHM documentation for v12 API available on : http://www.3cx.com/downloads/misc/callcontrolapi/3CXCallControlAPI_v12.zip


Jointly developed by SK Telecom and CO:ACTUS, Driving Assistance Solution for hearing-impaired taxi driver provides communication solutions and safety features. SK Telecom implemented specialized features for the drivers on ‘T map Taxi’ passenger and driver app. When passenger calls a taxi through this app and assigned with a taxi driven by hearing-impaired drivers, passenger gets a pop-up notice. SK Telecom also developed the world’s first ADAS for hearing-impaired drivers, sending warning signals with vibration through a smartwatch. CO:ACTUS developed an inside-taxi communication solution, GOYOHAN which enables formatted conversation and allows passenger to communicate through tablet touchpad, voice recognition and keyboard.
“A thoroughly thought-out solution and an innovative application of mobile technologies that is fully tailored to the needs of its user community, deaf taxi drivers, with measurable socio-economic benefits.”
5c. Best Mobile Innovation for Accessibility & Inclusion
Game Accessibility Guidelines
Accessibility specialist & advocate
University of Southampton
UN Broadband Commission


ICND 1 - Interconnecting Cisco Network Devices - Part 1 V3.0
|Langue : UK||Référence : CIS51||Durée : 5 jours|
|Lieu : A définir||Prix : A définir|
Cette formation est organisée uniquement à la demande d'un client et sera adaptée à ses besoins spécifiques.
This course focuses on providing the skills and knowledge necessary to install, operate, and troubleshoot a small branch office Enterprise network, including configuring a switch and a router, connecting to a WAN and implementing network security. A Learner should be able to complete configuration and implementation of a small branch office network under supervision.
Upon completion of this course, you should be able to:
- Describe how networks function, identifying major components, the function of the network components, security requirements and the Open System Interconnection (OSI) reference model.
- Using the host-to-host packet delivery process, describe issues related to increasing traffic on an Ethernet LAN and identify switched LAN technology solutions to Ethernet networking issues.
- Describes the reasons for extending the reach of a LAN and the methods that can be used with a focus on RF wireless access.
- Describes the reasons for connecting networks with routers and how routed networks transmit data through networks using TCP / IP.
- Describe the function of Wide Area Networks (WANs), the major devices of WANs, and configure PPP encapsulation, static and dynamic routing, PAT and RIP routing.
- Use the command-line interface to discover neighbors on the network and managing the router’s startup and configuration.
The course is given by an expert Proximus ICT Academy instructor, coaching delegates towards the exams during the training with real examples of CCNA questions.
Module 1: Building a Simple Network
- Define a network and describe examples of networks
- Identify common network components by function
- Characteristics of a network
- Compare and contrast logical and physical topologies
- Interpret network diagrams
- User applications on the network
- Identify the requirements of a host-to-host communication model
- OSI reference model
- Functions and purposes of the TCP/IP layers
- Peer-to-peer communication
- Encapsulation and de-encapsulation
- Components of a LAN
- Characteristics and features of a switches
- Cisco IOS Software
- Functions and usage of CLI
- Switch installation and configuration
- Ethernet LAN connection media
- Ethernet frame fields
- Duplex communication
- Troubleshooting switch issues
Module 2: Establishing Internet Connectivity
- Characteristics of IP
- IPv4 components and addresses
- DNS functions
- Subnets and subnet mask
- Implement subnetting
- Role and implementation of VLSM
- Purpose and functions of the TCP/IP transport layer
- TCP vs. UDP analogy
- Role, components, and functions of a router
- Router configuration
- Network discovery protocol
- Address Resolution Protocol (ARP)
- Default gateway
- Packet delivery
- Static and dynamic routing
- Standard IPv4 ACLs
- Configure and verify ACLs
- Demarcation point
- DHCP and static addresses
- NAT and PAT configuration and verification
Module 3: Building a Medium-Sized Network
- Implement and verify VLANs and trunking
- Inter-VLAN routing configuration and application
- Configure IOS DHCPv4 server
- Routing protocols
- RIPv2 features and configuration
Module 4: Network Device Management and Security
- Implement basic security configuration
- Secure unused ports
- Configure and verify port security
- Configure and verify NTP
- Syslog messages and configuration
- ROM functions
- Router boot sequence
- IOS image files
- IOS file systems
Module 5: Introducing IPv6
- IPv4 issues
- IPv6 features and addresses
- IPv6 operation and configuration
Basic computer literacy and Windows navigation skills.


Frequently Asked Question
02- How can I connect the device to my Wi-Fi network?
Last Updated 2 years ago
To connect your device to a WiFi network, from the device’s boot screen, press the WiFi Center icon. The WiFi Center screen will appear. Connect to your Wifi network.
Press the “Back” button to return to the configuration screen.


signal difference extraction software
Audio DiffMaker is a freeware tool set intended to help determine the absolute difference between two audio recordings, while neglecting differences due to level difference, time synchronization, or simple linear frequency responses.
The difference recording that results is only what has changed between the two recordings. If anything - a change of component, a treatment, mechanical damping, etc. - is having any audible effect on the audio signal in a system, the difference recording will have audible content. The end result is primarily intended to be evaluated by ear.
http://www.libinst.com/Detecting%20Diff ... %20(slides).pdf
zanimiv free programčič


Packetworx, the country’s sole Internet of Things (IoT) network provider and social enterprise, partners with telco giant PLDT to expand the telco giant’s catalog of IoT offerings. By collaborating with the leading IoT enabler and developer, PLDT will further support the digital transformation of businesses, sectors, and the rest of its local community. With the data generated from IoT solutions, the country can gain a better footing towards a future powered by the Internet and progressive technological advancements.
The partnership strategically taps into the power of the Internet of Things as the groundwork for artificial intelligence and business analytics. In doing so, PLDT sets in motion a consistent stream of solutions for enterprise clients looking to improve operations and innovate existing offerings. This is crucial to the digital actualization that many companies aim for which are also customers of PLDT. Packetworx founder and CEO Arnold Bagabaldo views the partnership as the start of an efficient, productive, and sustainable transition of the country to IoT. Businesses and firms benefiting from the consortium’s IoT solutions will not just grow their value but also launch products that truly and effectively address today’s problems.
PLDT is constantly seeking opportunities with enthusiastic startups who offer promising solutions that improve the quality of Filipinos’ lives. It is worth noting that Packetworx was one of the successful finalists in PLDT and Smart’s 2021 Start Up Challenge, a boot camp and competition for emerging startups across the country.
Packetworx is the leading enabler of IoT and the only IoT technology social enterprise in the Philippines. The company’s mission is to accelerate the adoption of IoT solutions to help the country transition towards an Internet-powered future. They do this by providing end-to-end IoT solutions, be it devices, network infrastructure, or cloud-based data visualization tools.
PLDT is the Philippines’ largest fully integrated telco company. Through its principal business groups–from fixed lines to wireless–PLDT offers a wide range of telecommunications and digital services across the Philippines’ most extensive fiber optic backbone and fixed line and cellular networks.


Latitude, Inc. DC Power Technician in Baltimore, Maryland
Equipment Installation ? DC Power, BDFB?s, Batteries, Routers and Grounding.
Prepares hardware and equipment to be installed, for himself/herself or a higher level technician. Equipment construction of battery racks and super structure. Power plants, Cable tray, racking systems, performs simple voltage & resistance test procedures. Performs/ trouble shooting equipment such as rectifiers, disconnects, power plants and battery plants to include repairs. Installs and upgrades components, parts, cable, equipment and systems for backup DC Power. Test circuits and components of malfunctioning telecommunications equipment to isolate sources of malfunctions, using test meters, circuit diagrams, polarity probes, and other hand tools. Test repaired, newly installed, or updated equipment to ensure that it functions properly and conforms to specifications, using test equipment and observation.
Job Skills Qualifications :
Document procedures for hardware and software installation and use Document technical specifications and operating standards for telecommunications equipment. Use power tools Simple electrical knowledge Follow safety standards


AWID ANT-915TC-18 Thin Chain Antenna
- Please allow 2-3 weeks for delivery.
Frequently bought together:
Ultra-thin (0.315”) design, Linear-polarization antenna with uniform power distribution, 902Mhz-928Mhz FCC, Variable antenna lengths (19.8” or 26.4”), VSWR of 1.40, Reverse polarity TNC male RF connector.
Mounting Bracket Not Applicable.
- Available in two lengths: 11.0 x 19.8” x 0.32” and 11.0” x 26.4” x 0.32”
- Linear antenna for short range performance without the need for near-field tags
- VSWR of 1.40 with uniform power distribution
- IP-55 for indoor applications, RoHS
- Optimized for U.S. frequency (902MHz-928MHz)
What is included in the package:


Viasat is the first commercial customer to commit to launch on the A64, the next generation heavy lift rocket from Arianespace.
The launch contract for the upcoming ViaSat-3 satellite has been moved to the A64.
The A64 launch vehicle will feature a modular configuration based on core stages powered by lower and upper liquid propellant modules, which is supplemented by four solid rocket motors. The A64’s configuration will also provide added performance to deliver a ViaSat-3 satellite into a high-energy geostationary transfer orbit where it can begin on-orbit operations faster.
The next ViaSat-3 class geostationary satellite is expected to deliver more than 1-Terabit per second of onboard network capacity, and to leverage high levels of flexibility to dynamically direct capacity to where customers are located. The first two satellites will focus on the Americas and on Europe, Middle East and Africa (EMEA), respectively, with the third satellite planned for the APAC region, completing Viasat’s global service coverage.


Leading Research for Future
Toward more competitive telecommunications satellites in the all-electric satellite age
Two improvements will be key to Japan’s success in gaining a more competitive position in the global telecommunications satellite market: reduced satellite mass and a greater number of onboard transponders. Progress in these directions will improve both the cost and profitability of telecommunications satellites.
Conventional satellites with chemical propulsion systems have a payload mass ratio of about 20% (ratio of payload mass to the satellite mass at launch). We have been striving to increase the ratio to about 40% by adopting the satellite propulsion systems solely with Hall effect thrusters and designing lighter weight power systems and improving heat-rejection technologies as a means of reducinging total satellite mass.
The autonomous operation of satellites will also enhance Japan's competitive advantage by helping to reduce relevant costs.
The Value of Our Research
In a typical chemical propulsion satellite, the propellant makes up nearly half of the satellite mass at launch. An all-electric satellite, which uses only electric propulsion systems, can significantly reduce the amount of propellant required. Less propellant makes it possible to increase the payload mass ratio by providing more leeway for the number of onboard transponders related to the profitability of communication satellite.
Work in the U.S. and Europe on all-electric satellites has led to the successful development of powerful all-electric platforms to satisfy the increasing electricity demand accompanying the increase in transponders. However, they haven’t succeeded in designing lighter-weight power subsystems to increase the payload mass ratio beyond around 20-to-30% range.
Our research aim is to position Japan's all-electric telecommunications satellites more competitively. We seek to do so by developing Hall effect thrusters and achieving a payload mass ratio of nearly 40% by making the light weight power subsystem (the solar paddles, batteries, and power control unit) the second heaviest component of the satellite after the propulsion system, and so on. This will enable us to gain a competitive advantage over the U.S. and Europe in the number of onboard transponders.
- Realizing an all-electric propulsion system that relies exclusively on Hall effect thrusters and operating the thrusters for 15 years, the typical mission lifetime of a modern commercial telecommunications satellite.
- Applying digital control technologies to get rid of heat spot generation and achieving a specific power of 50 kg/kW by miniaturizing and Lightweight the power control unit and other components of the power subsystem.
- Developing a deployable thermal radiator with a high specific heat rejection capability of 75 W/kg at a temperature of 40°C and flat-plate heat pipe with an effective thermal conductivity exceeding 5000 W/mK to meet the requirements for high-density assembly and improved heat dissipation caused by increased transponders.
- Realizing autonomous station-keeping and orbit maneuvering using GPS receiver capable of operating on geostationary/transfer orbit (conventionally GPS receiver installed on low-earth-orbit satellite only) to accomplish highly accurate, real-time orbit determination in high-altitude orbits. This will reduce operational costs for satellite operators by eliminating the need for ranging ground stations and helping them operate their satellites more efficiently.
- Substantially reducing the weight of the power subsystem by developing high-energy-density batteries (initially with a specific energy above180 Wh/kg; ultimately, with a specific energy above 200 Wh/kg) and much lighter solar paddles (one-third of the conventional weight) with thin-film solar cells.
Hall effect thruster (BBM)
Thin-film solar cell array sheet


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WiFi Explorer for iOS is a wireless network scanner tool to find and display the information of all 802.11a/b/g/n/ac wireless networks around you. It supports 2.4 and 5 GHz networks, as well as 20, 40 and 80 MHz channel widths.
WiFi Explorer for iOS is only available for jailbroken devices via Cydia.
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TDK Chirp MEMS ultrasonic time-of-flight (ToF) sensors are immune to ambient noise and work in direct sunlight. Devices are robust, accurate and reliable, as well as small enough to fit into consumer electronics devices such as smartphones and wearables. Devices deliver the same performance and reliability as conventional ultrasonic sensors, but are up to 1000 times smaller and their power consumption is up to 100 times lower.
Model CH-101 comes with a maximum sensing range of 100 cm, and the long-range CH-201, offering a maximum range of 500 cm. Both devices combine a piezoelectric MEMS ultrasonic transducer (PMUT) with a custom low-power CMOS system on a chip (SoC) for all ultrasonic ToF signal processing in a compact 3.5 mm x 3.5 mm LGA package.


Many businesses and entrepreneurs are moving from traditional telephone networks to more advanced systems like VoIP. VoIP services utilize Internet connection to make calls. Provided by the best VoIP service in Bethesda and other locations, they are a cost-effective option as the phone number you purchase can be used to call locally and internationally. It is also compatible with a number of devices, such as desktop computers, laptops, and smartphones. To know more about this digital innovation in communications, read on.
VoIP phone service is an emerging technology that allows us to make and receive phone calls over the Internet.
We are familiar with some of its features as it can be seen in conventional phones. This includes voicemail, putting someone on hold, forwarding calls to an alternate number, fax, and IVR systems. However, there are also some things that set it apart from traditional phone systems.
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Business VoIP doesn’t cost as much as a conventional phone system. With traditional phone lines, it is necessary to install wires for each phone line. On the other hand, no separate infrastructure is required for VoIP phone systems – you can just use your existing internet connection. Also, since VoIP do not use circuits to complete a call, domestic and international calls are significantly cheaper.
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We've hung-up the landline, switched to Virgin mobile, bought a digital radio and signed up for broadband...
The UK is becoming an increasingly switched on nation, with more people than ever logging on to the internet, switching on digital radio and television, using mobile phones and turning their backs on traditional technologies such as the landline and even the television.
According to regulator Ofcom, 2005 proved something of a landmark year for the UK as the number of residential broadband connections passed 10 million in the final weeks of December.
Other trends saw users signing up with mobile virtual network operators (MVNOs) such as easyMobile, Tesco and Virgin. MVNOs now account for 5.5 million mobile subscriptions. That is out of a total 62.5 million in the UK, according to Ofcom.
And while overall telecoms revenues have soared it has been mobile that has done all the running with users turning their backs on landline services. While mobile phone revenues grew 16 per cent to £13.6bn up to September 2005, fixed line revenues fell nine per cent to £10.3bn.
The airwaves are also seeing clear trends in the signals carried into our homes for television and radio.
Digital radio now accounts for a 10.5 per cent listener share – up from 5.9 per cent for the previous year. By the end of 2005 the UK had seen sales of around 2.7 million digital radios.
Perhaps surprisingly, we also watched less television with total reach falling across a number of demographic groups.
The biggest lost audience was at the more youthful end of the scale with reach to 16- to 24-year-olds falling 2.2 per cent.


With DAB (Digital Audio Broadcasting) attributable to swap FM broadcast transmissions in 2015, a lot of auto homeowners within the United kingdom can be pondering just exactly how much it will cost them to up grade their existing in auto entertainment strategy. Vehicle makers look reluctant to install DAB Car Radio within their new autos for the moment with lots of holding off till 2013 – just two a long time ahead of the Digital Radio Switchover. This may leave a multitude of motorists of even relatively new automobiles with out of date car radios. CDs will nevertheless function of program, but can you think about not remaining in a position to maintain as many as day with most recent Information and Sport, listen towards your favourite audio or simply use The Archers?
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Energy Efficient Resource Allocation and User Scheduling for Collaborative Mobile Clouds with Hybrid Receivers
Chang, Z., Gong, J., Ristaniemi, T., & Niu, Z. (2016). Energy Efficient Resource Allocation and User Scheduling for Collaborative Mobile Clouds with Hybrid Receivers. IEEE transactions on vehicular technology, 65 (12), 9834-9846. doi:10.1109/TVT.2016.2525821
Published inIEEE transactions on vehicular technology
© 2016 IEEE. This is a final draft version of an article whose final and definitive form has been published by IEEE. Published in this repository with the kind permission of the publisher.
In this paper, we study the resource allocation and user scheduling algorithm for minimizing the energy cost of data transmission in the context of OFDMA collaborative mobile cloud (CMC) with simultaneous wireless information and power transfer (SWIPT) receivers. The CMC, which consists of several collaborating mobile terminals (MTs) offers one potential solution for downlink content distribution and for the energy consumption reduction. Previous work on the design of CMC system mainly focused on the cloud formulation or EE investigation, while how to allocate the radio resource and schedule user transmission lacks attention. With the objective to minimize the system energy consumption, an optimization problem which jointly considers subchannel assignment, power allocation and user scheduling has been presented. We propose different algorithms to address the formulated problem based on the convex optimization technique. Simulation results demonstrate that the proposed user scheduling and resource allocation algorithms can achieve significant EE performance. ...


Utah Scientific solutions benefit a wide range of enterprise organizations that need to route video sources reliably. That’s basically anyone that works with video content in studios, auditoriums, classrooms, or conference rooms. . All of that content needs to find its way from cameras, computers, and other sources to displays, projections screens, monitors and more, and we can get those signals where they need to go. Cameras go obsolete, tape machines expire, and technology ages, but Utah Scientific products always stay on the edge of new technologies. That’s why we’re not afraid to back up our products with a free 10-year warranty and 24/7 service support.
Utah Scientific’s Flexible Routing and Master Control Powers Massive A/V Expansion at SAS
When SAS built a new Executive Briefing Center, its already extensive in-house media operation nearly doubled. To handle the additional routing and control, SAS added a UTAH-400/288R routing switcher to connect the Executive Briefing Center to Campus Master Control in another building. The UTAH-400/288R created a fiber routing system centered on 1080i using HD-SDI, with the rare ability to mix fiber and copper inputs/outputs. Operators could use existing controllers from either building, and importantly, the new router worked with the Utah Scientific equipment SAS already had.


Nortel has been selected to deploy a GSM-R wireless communications system for a new railway line in Algeria. The line links the cities of Ain Toutta and Msilla, as part of the High Plateaus railway system that crosses the country from east to west.
The Algerian National Railways Investment Company (ANESRIF) is managing the modernization of the Algerian railway system, including the construction of new railway lines, signaling systems and installation of other railway equipment.
This new Nortel deployment includes integrating the GSM-R radio system to ANESRIF’s core network, GSM-R terminals such as handhelds and cab radios, base stations as well as related telecom services for the railway lines.
GSM-R helps increase the efficiency and safety of the railway by supporting reliable communications among railway operational staff, including drivers, dispatchers, train engineers and station controllers. GSM-R is part of the new European Rail Traffic Management System (ERTMS) standard and carries the signaling information directly to the train driver, enables faster train speeds and increases traffic density while maintaining a high level of safety.
Michel Clement, president for Nortel Carrier Southern Europe, Middle East and Africa, said: Nortel continues to support ANESRIF and the Algerian government with their railway modernization plans by providing proven, advanced technologies, along with support services based on our long telecommunications heritage. These contracts are significant wins for Nortel in GSM-R and reflect the continuing satisfaction of our clients in our ongoing ability to deliver as promised.


5G is expected to meet an important challenge: it will provide an end-to-end network and cloud infrastructure using network slicing. Among the network’s attributes are mobility, data speed, latency, and reliability. Each attribute applies to different areas and applications from the most elementary IoT to the sophisticated, such as Augmented/Virtual Reality.
Among 5G’s immediate apps that will run on a newly transformed network are radio networks using a licensed and/or unlicensed spectrum, small cells, macro LTE eNodeBs, fiber, microwaves, leased Ethernet, and satellite backhaul to name a few.
The following is a general and well-accepted grouping of use that will be supported by 5G:
1. Enhanced Mobile Broadband (Hot Spots/Broadband access in dense areas, General Broadband Everywhere, Public Transport, Smart Office, Specific Events, etc)
2. Connected Vehicles (Vehicle to Everything Communication, a sophisticated framework that targets security and accuracy based on ultra-low latency, speed, and higher data rates to promote high mobility, reliability, and scalability features)
3. Enhanced Multi-Media (to target users of Media downloads, PayTV in 8K or 3D and in general all Broadcast, mobile TV, On-Demand, Live, etc)
4. The Massive Internet of Things (targets the LowPowerWideArea of massive IoT apps for extended coverage and long-lasting battery life – this category comprises sensors, actuators, cameras, etc.)
5. Ultra-Reliable Low Latency Applications (automated Factories, Tactile Interaction, where humans wirelessly control real and virtual objects, Emergency Disaster and Public Safety, Urgent Care/Remote Surgery and others)
6. Fixed Wireless Access (Early 5G Deployments) will integrate FO for enhanced speed
The new 5G architecture brings improved radio units with a much faster air interface when compared to LTE and a new Service Based Architecture for the Core.
3GPP 5G Standards Group shows the roadmap:
The first phase of 5G NR will focus on Fixed Wireless Access (FWA), enhanced Mobile Broadband (eMBB) and Ultra-Reliable and Low Latency Communications (URLCC) use cases with the introduction of extremely short Transmission Time Internal (TTI), enabling basically 1 ms or less radio layer latency.
The use case with massive Machine Type Communication (mMTC) is foreseen in a later phase due to the recently introduced NB-IoT and LTE-M.
The 5G-RAN will include both a 5G New Radio (currently being called a gNB) and/or LTE Radios (eNBs) connected to the Next Generation 5G Core (NG Core).
There were Core Network Functions defined as well as Core Interactions and other Interworking Variants with Legacy Network such as LTE. That is additional to Network Slicing that has been made possible through Software Defined Networking (SDN) and Virtualization.
How will future networks provide people and enterprises with the right platform, with just the right level of connectivity?
Through flexibility and elastic connectivity. Technologies like SON (Self-Organizing Networks) and virtualization are enabling a change to take place in network architecture, allowing traditional structures to be broken down into customizable elements that can be chained together programmatically to provide just the right level of connectivity, with each element running on the architecture of its choice.
RAN technology will include (within itself) the Slicing, Cloud RAN and Radio Resource Control section.
Some examples of RAN network slices may include:
- MTC - Machine Type Communication
- Real-time local video (possibly handled by Mobile Edge Computing)
- Public Safety
- Mobile Health
5G system architecture has to be highly adaptable to meet the performance expectations in order to serve new and legacy use cases, services, business models, infrastructure usage approaches and radio access needs that will emerge with 5G.
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This is a question from a customer: Help My RT3S wont key up below 150Mhz and 450Mhz, how do I get it back to normal frequency?
Sometimes when you switch the frequency mode to VFO mode on RT3S, you found that the display frequency locked at 150.000Mhz and 450.000Mhz, and the frequency cant changed to outside of the 150-160Mhz and 450-460Mhz.
Once the radio be locked, you can only use the frequency between 150-160Mhz, and 450-460Mhz. and the radio cant be reprogrammed to outside of this frequency.
After being unlocked, the radio will be work normally.
How to unlock the frequency?
1. Turn off the radio.
2. Press the sidekey 1 and sidekey 2 together.
3. Turn on which holding down the two keys.
4. After the radio turn on, the radio frequecny is unlock to the normal frequency.


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Qualcomm Gobi modem technology enables 3G download speeds up to 63 Mbps for first time in a live demonstration
SAN DIEGO - February 24, 2014 - Qualcomm Incorporated today announced that its wholly-owned subsidiary, Qualcomm Technologies, Inc., has successfully demonstrated Three-Carrier High-Speed Downlink Packet Access (3C-HSDPA) for the first time in a live demonstration. The demonstration highlights the latest advancements in 3G mobile communications technology and was powered by Qualcomm Technologies' industry-leading, multi-mode modem technology, specifically, the Qualcomm® GobiTM 9x25 chipset. The 3C-HSDPA protocol delivers potential data download speeds of up to 63 Mbps, or 50 percent faster than the current Dual Carrier HSPA+ standard, enabling higher network capacities for operators and faster connections for end users for tasks like Web browsing, email and social networking.
"Qualcomm Technologies continues to enable a better mobile connectivity experience worldwide," said Serge Willenegger, vice president of product management, Qualcomm Technologies, Inc. "3G networks continue to be the primary broadband mobile internet gateway through most of the world, particularly in emerging regions, and we are pleased to be providing operators and users of those networks with yet another product feature towards a faster and more ubiquitous mobile experiences."
3C-HSDPA will be commercially available in smartphones and tablets from leading manufacturers worldwide in the second half of this year.
About Qualcomm Incorporated
Qualcomm Incorporated (NASDAQ: QCOM) is a world leader in 3G, 4G and next-generation wireless technologies. Qualcomm Incorporated includes Qualcomm's licensing business, QTL, and the vast majority of its patent portfolio. Qualcomm Technologies, Inc., a wholly-owned subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm's engineering, research and development functions, and substantially all of its products and services businesses, including its semiconductor business, QCT. For more than 25 years, Qualcomm ideas and inventions have driven the evolution of digital communications, linking people everywhere more closely to information, entertainment and each other. For more information, visit Qualcomm's website, OnQ blog, Twitter and Facebook pages.


Towards Unified-storage-memory-enabled Mobile Devices
DescriptionNon-Volatile Memories (NVM) can serve as both the main memory and the storage, which makes it possible for a unified management of NVM for both storage and the main memory. While there are attempts to utilize unified-storage-memory to improve the performance of servers, unified-storage-memory has not been explored for mobile devices. We find that unified-storage-memory has potential to significantly improve the performance of mobile applications and improve the overall user experience. However, designing unified non-volatile memory management for mobile devices comes with significant challenges from three unique characteristics of mobile applications. First, a large percentage of read/write accesses on mobile devices are small in size. Under unified-storage-memory, the data movements between the main memory and the storage can be significantly reduced as they are on the same physical device. However, small-size data movement could induce significant overhead hence calls for new solutions. Second, mobile applications constantly perform sync operations to maintain data consistency in the case of power outages. These operations could benefit from the non-volatile main memory of the unified-storage-memory architecture and the application-transparent management of NVM. Third, mobile applications are user-experience- critical when they are in the foreground. Hence, the foreground applications should be prioritized under unified-storage-memory architecture by a carefully-designed memory/storage management scheme. Considering the opportunities and challenges brought forward by these mobile application characteristics, this project proposes a novel unified-storage-memory framework for mobile devices. The proposed framework synergistically combines unified-storage-memory’s features and mobile applications’ characteristics to improve the user experience and performance of mobile devices. First, we profile mobile application execution on unified-storage-memory. Foreground/background aware memory management schemes, as well as dynamic memory/storage management schemes will be exploited to improve performance and reduce power consumption for mobile devices. Second, targeting efficient application execution on unified-storage-memory, we explore persistent application execution on unified-storage-memory and granularity-aware application launching over unified memory. Finally, we propose application-aware I/O schemes for unified-storage-memory, considering the specific characteristics of mobile devices, including mobile cache file management and data-intensive- device management. Unified-storage-memory could play an increasingly important role for mobile devices in the upcoming decade. The success of this project will promote the application of the new architecture of mobile devices. High performance, low power consumption, and long device’s lifespan can benefit many mobile users. The success is highly critical for Hong Kong to drive its new wave of innovation and technology in the mobile computing era.
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Just like in any sectors, the mobile sector (and the messaging providers in particular) use a lot of terms and neologisms to describe its processes and technology. To ease understanding, we have compiled here a list of the most used terms in the mobile and messaging business:
Application-2-Person (A2P) is the process of sending text messages to a mobile subscriber from an application as opposed to sending a text message from a phone.
The usage of a combination of numeric and alpha characters (0-9, a-z, A-Z, _) as the sender of the text message. It can be customized to reflect a brand for example. Receiving a text message from a Brand name as opposed to a long unrecognizable number is a more professional and efficient way to reach customers. However, the recipient of the text message cannot reply to a message sent with alphanumeric sender ID.
Binary messages are messages that require special encoding to overcome the character limitation of the SMS. Binary messages are used for characters in languages such as Arabic, Chinese, Korean, Japanese or Slavic languages (e.g., Russian), as well as for sending ringtones, photos, or in WAP Push messaging.
Concatenated messages are messages that require special encoding to overcome the character limitation of the SMS. In practice, you can send text message which exceed the character limit of a normal SMS, and these long messages are split into smaller messages by the sender and then recombined at the receiving end. However, each message is billed separately, as it is technically more than one message sent through the networks.
DLR is a feature of SMS MT that enables delivery reporting for every text message sent. It is sourced directly from the handset.
Usually a predetermined numeric sender ID in a standard MSISDN format, which cannot be customized or changed.
The flash message service enables you to send a message that will appear on the recipient's mobile screen. This means that your recipient does not need go to the mobile phone inbox to read the message. This type of messages is very useful for prompt notifications.
HLR Lookup (Home Location Register) is a query to a central database that contains details of each mobile phone subscriber that is authorized to use the GSM core network. This feature is very useful to cleanup a database of number before sending an SMS campaign, by knowing if a number is still active or not. It is also used to know which target subscribers are currently roaming and therefore estimate the cost and impact of sending an SMS to this subscriber or not. The HLR Lookup feature has a very low cost and therefore can be extremely valuable in order to maximise the effciency and costs of sending an SMS.
Hypertext Transfer Protocol (HTTP) is a communications protocol for information transfer on the intranet and the World Wide Web.
An International Mobile Subscriber Identity (IMSI) is a unique number associated with all GSM and UMTS network mobile phone users. It is stored in the SIM card and is sent by the phone to the network.
A mobile network operator (MNO) is a telephone company that provides services for mobile phone subscribers.
A mobile message routed from an end user's mobile device and delivered to a mobile phone or an application.
Mobile Number Portability (MNP) enables mobile phone users to keep their existing mobile number when switching from one mobile network operator to another.
In short, MSISDN means the mobile number. It is a number uniquely identifying the subscription to a GSM or UMTS mobile network.
A mobile message routed from a client or an application and delivered to the end user's mobile phone.
A mobile virtual network operator (MVNO) is a company that provides mobile phone service but does not have its own licensed frequency allocation of radio spectrum, nor does it necessarily have the entire infrastructure required to provide mobile telephone service.
Default sender type of SMS message in standard MSISDN format. Recipients can reply to messages with a numeric sender ID (2-way messaging)
A feature of SMS-MT that sends over-the-air configuration messages, such as software updates, configuration settings and security locks.
Person-2-application (P2A) is the process of sending mobile messages from a mobile user to an application. This definition is often used to define enterprise messaging.
Person-2-Person (P2P) is the process of sending mobile messages from one mobile user to another. This is the usual traffic between subscribers of mobile operators.
Service Level Agreement (SLA) is the part of a service contract that formally defines the level of service and commitment of a each parties.
The short message peer-to-peer protocol (SMPP) is a telecommunications industry protocol for exchanging SMS messages between SMS peer entities such as short message service centers (SMSCs). This protocol is usually used for larger infrastructures handling large volumes of SMS. The simpliest alternative for smaller organizations or structures is to use the HTTP protocol.
An SMS aggregator is a mobile telecom company with multiple agreements with operators to send and receive data in and out of the operator's SMSC, acting as an intermediary between organizations (i.e. content and brand owners) that want to interact with end users by means of their mobile phones, and mobile network operators.
SMS hubbing is a new structure for international SMS traffic, reshaping international mobile inter-operability by implementing hubs to intermediate SMS traffic and offer a larger SMS coverage. The GSM Association (GSMA) found in SMS hubbing the solution to a problem that limits the continuing growth of international SMS, culminating with the development of SMS hubbing trials in 2006, part of the Open Connectivity project. This initiative created a new structure for international SMS interoperability, as well as developed standards and requirements that SMS hubs should follow. Regardless of the maturity of the operator or number of subscribers, each subscriber expects to be able to send an SMS to other subscribers, regardless of country and mobile network.
A short message service centre (SMSC) is an element of mobile telecommunications networks which delivers SMS messages.
Signaling System #7 (SS7) is a set of telephony signaling protocols which are used to set up most of the world's public switched telephone calls, also used in mobile messaging, prepaid billing and other applications.
Two-way messaging is the system that incorporates both outbound (MT) and inbound (MO) SMS into one featured service.
UDH (User Data Header) is a part of the SMS that provides instructions to the receiving handset about the type of message being sent. This is done to ensure correct delivery and message displayed.
Unicode is an industry standard allowing computers to consistently represent and manipulate text expressed in any of the world's writing systems. As an SMS MT feature, it allows any content to be sent within a message.
Unstructured Supplementary Service Data (USSD) is a session-based text communication. It is available on every GSM-enabled mobile device. Because there is no store-and-forward mechanism present with USSD (unlike SMS), the protocol is more practical for interactive communication, such as banking or education.
WAP Push has been incorporated into the specification to allow WAP content to be pushed to the mobile handset with minimum user intervention. A WAP Push is basically a specially encoded message which includes a link to a WAP address. WAP Push is specified on top of WDP; as such, it can be delivered over any WDPsupported bearer, such as GPRS or SMS.


COMPOSITION | Ecosystem for Collaborative Manufacturing Processes _ Intra- and Interfactory Integration and Automation
Comments IoT enabled connectivity with intrafactory systems. Applicable. Applicable. Applicable. Applicable.
Human - machine - interfaces for direct interaction with the factory I Result description Therefore, wireframes, screenshots from digital mockups, as well as basic functionality diagrams are shown.
Interoperability for M2M & HMI in factory environments II Result comments Connected IT and OT IoT enabled SCADA, MOM-MES, ERP (…) connectivity Humans actively connected Human Machine Interfaces Data communication and interoperability Reference docs
IoT enabled SCADA, MOM-MES, ERP (…) connectivity Taxon title IoT enabled SCADA, MOM-MES, ERP (…) connectivity


An early mantra of our field was “power electronics inside,” a take on a popular tagline from a major electronics company. Power electronics continues to be an infrastructure and internal technology—throughout the grid, integral to our computers and devices, essential in motor drives, embedded in our cars and appliances, actively managing renewable energy systems, and performing an unlimited range of vital functions. Even though power electronics may not be familiar to the average person, today’s users are more and more likely to interact directly with power electronics equipment. They have many chargers and power supplies for mobile phones and rechargeables. They use flat panel displays and compact audio systems. They purchase lamps and lighting with built-in power conversion and HVAC systems with variable-speed drives. They might have an electric car. They see the growth of electrical energy applications. Admittedly, the interactive experience is not always great. For example, nearly every device needs a different power supply, leading to too many wires ( Figure 1 ), which users rarely appreciate. Human-centered design for power electronics is emerging as an important frontier in our field. This article gives a few examples and hints about the needs and opportunities.


Welcome to an expert’s guide on understanding the nuances between clientless and client-based VPN access methods. In this comprehensive article, we will delve into the differences between these two approaches, providing valuable insights and practical examples to help you make an informed decision for your specific needs.
What is a VPN? Before we explore the intricacies of clientless and client-based VPN access, let’s begin by understanding the fundamental concept of a Virtual Private Network (VPN). A VPN establishes a secure and encrypted connection between your device and a private network over the internet, granting you access to resources as if you were directly connected to the network physically.
Clientless VPN Access
Clientless VPN access allows users to connect to a private network without installing any additional software or dedicated VPN client on their devices. Instead, users access the VPN through a web browser, utilizing a web portal or gateway provided by the VPN service.
Key benefits of clientless VPN access:
- Simplicity and Ease of Use: Accessing the VPN via a web browser makes it incredibly convenient for users, as it eliminates the need for software installation or administrative privileges.
- Accessibility: Whether you’re using a public computer or a device you don’t fully control, clientless VPN access enables you to securely connect to the network without limitations.
- Security: Clientless VPNs employ robust encryption protocols such as SSL/TLS to ensure the confidentiality and integrity of data transmitted between your device and the private network.
Client-Based VPN Access
In contrast, client-based VPN access necessitates the installation of dedicated VPN client software on users’ devices. This software establishes a secure tunnel between the user’s device and the private network, facilitating secure access to resources and services.
Key advantages of client-based VPN access:
- Versatility and Advanced Features: By utilizing a dedicated VPN client, users gain access to a wide range of configuration options and enhanced security features. This includes advanced encryption protocols, split tunneling, network roaming, and more, providing greater control and flexibility over the VPN connection.
- Performance and Efficiency: Client-based VPNs often offer superior performance and efficiency due to their ability to optimize data transmission. This results in faster and more reliable connections, making them ideal for scenarios requiring continuous access or simultaneous connections across multiple devices.
Choosing the Right VPN Access Method
When deciding between clientless and client-based VPN access, it’s essential to consider the following factors:
- Accessibility: If you frequently use public computers or devices where software installation is restricted, clientless VPN access is the preferred choice due to its browser-based nature.
- Security Requirements: While both options provide secure connections, client-based VPNs generally offer more advanced security features. If you require additional security measures or need to comply with specific regulations, a client-based VPN may be more suitable.
- Performance and Features: If performance and advanced features are paramount, opt for a client-based VPN. It provides greater control, customization options, and enhanced speed and efficiency.
In conclusion, understanding the distinctions between clientless and client-based VPN access empowers you to choose the most appropriate method based on your unique requirements. Whether you prioritize simplicity, accessibility, advanced features, or performance, each approach has its advantages. By considering your needs and the context in which you’ll be using the VPN, you can make an informed decision that ensures secure and reliable remote access to private networks.


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That includes an Apple MFi licensed chip with an improved chipset, the AmazonBasics cable delivers distinctive energy and compatibility outcomes. Utilizing Apple’s unique C89 terminal and sensible chip, this USB-A charging cable delivers lightning-fast information switch, easy syncing and quick charging (helps a most 2.4a charging present). Features a versatile braided nylon fiber building, copper wire with added kevlar for sturdiness, protecting layer-coated connector ends, and wide-diameter wires for decreased twine resistance and optimized charging.


This HP Color LaserJet with JetIntelligence merges performance, energy efficiency, and security.
- With HP Sure Start, each printer regularly checks its operating code and repairs itself from attempted hack
- High speed performance meets energy efficiency
- Enter data more quickly and accurately using the pull-out keyboard
This HP Color LaserJet MFP with JetIntelligence combines exceptional performance and energy efficiency with professional-quality documents right when you need them—all while protecting your network with the industry’s deepest security.


Skype made phone calls over the internet easy. Ribbit plans to take it one step further by enabling VoIP phone calls directly from the browser. The Flex based RibbitPhone Component runs solely on the Flash Player so no additional downloads are necessary. It will give Rich Internet Applications the ability to make and receive calls, record/send and receive voicemail, as well as add and manage contacts, the ability to make true ‘one-click-calling’.
The RibbitPhone pre-release is expected on 3rd September and the public beta release is planned for 3rd October. Can Flash based VoIP finally appear in Rich Internet Applications?
Beginning at 9AM (PST) today (August 13th, 2007) in Seattle, Washington, the first unveiling of Ribbit's services and product road map will be shown in front of the audience during the keynote at 360 Flex.