Showing posts with label Signal. Show all posts
Showing posts with label Signal. Show all posts

Universal Generation X Cell Phone Antenna Booster Signal Enhancer for T-mobile cell phone



Universal Generation X Cell Phone Antenna Booster Signal Enhancer for T-mobile cell phone . The Universal Generation X Cell Phone Antenna Booster Signal Enhancer is a passive device designed to capture stray radiation in the body of the cell phone and to re-radiate the signal to improve the phones reception. The signal booster will work most efficiently when installed properly. When using the phone, try to avoid placing your hand over the area where the internal antenna is installed.There are no tools required for installation.FEATURES: Enables to reduce dropped calls and fading signals.


To improves signal strength. Enhances sound quality. Can be used with any cell phone, PDA.INSTRUCTIONS:Simply place the antenna under your battery to add the equivalent of a 4' antenna to your phone or PDA.Compatible With T-mobile MyTouch 4G Sparq G2 with Google myTouch Q (LG Maxx QWERTY) Comet Garminfone myTouch 4G Slide(Doubleshot) Sidekick 4G T839 myTouch (LG Maxx Touch) myTouch 3G Slide myTouch 3G HD2 Tap Sidekick LX 2009 G2 (HTC Desire Z) G1 myTouch 3G (Fender Edition) Pulse Mini G2 Touch Pulse Dash Dash 3G Vairy Touch MDA Basic Vairy Touch II Sidekick LX Wing Vairy Text MDA Vario IV Shadow Mint Shadow Shadow 2


Price: $ 125 


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X200-P USB Adapter With Digital Signal Processor (DSP) X200-P USB Adapter With Digital Signal Proce



X200-P USB ADAPTER.. - DSP and echo cancellation functionality eliminates VoIP latency and background noise - Designed specifically for VoIP, speech recognition and softphone applications where voice quality is of the utmost importance - 1-touch answer/end call features improve user productivity (dependent on softphone applications) - For use with professional-grade headsets (sold separately) - In-line volume and mute controls for quick and easy call adjustments - Wideband audio for rich, natural sounding conversations - Easy plug-and-play set-up?no drivers to install, no downtime or technical support needed - Sleek, lightweight design for easy transport from office to home - Compatible with Plantronics? and VXi P-series headsets - Works with Windows?, Mac? and Linux? operating systems - 2-year warranty

Price: $92.25


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VoIP Voice and Fax Signal Processing



A complete and systematic treatment of signal processing for VoIP voice and fax
This book presents a consolidated view and basic approach to signal processing for VoIP voice and fax solutions. It provides readers with complete coverage of the topic, from how things work in voice and fax modules, to signal processing aspects, implementation, and testing. Beginning with an overview of VoIP infrastructure, interfaces, and signals, the book systematically covers:

  • Voice compression
  • Packet loss concealment techniques
  • DTMF detection, generation, and rejection
  • Wideband voice modules operation
  • VoIP Voice-Network bit rate calculations
  • VoIP voice testing
  • Fax over IP and modem over IP
  • Country deviations of PSTN mapped to VoIP
  • VoIP on different processors and architectures
  • Generic VAD-CNG for waveform codecs
  • Echo cancellation
  • Caller ID features in VoIP
  • Packetization—RTP, RTCP, and jitter buffer
  • Clock sources for VoIP applications
  • Fax operation on PSTN, modulations, and fax messages
  • Fax over IP payload formats and bit rate calculations
  • Voice packets jitter with large data packets
  • VoIP voice quality

Over 100 questions and answers on voice and more than seventy questions and answers on fax are provided at the back of the book to reinforce the topics covered throughout the text. Additionally, several clarification, interpretation, and discussion sections are included in selected chapters to aide in readers' comprehension.
VoIP Voice and Fax Signal Processing is an indispensable resource for professional electrical engineers, voice and fax solution developers, product and deployment support teams, quality assurance and test engineers, and computer engineers. It also serves as a valuable textbook for graduate-level students in electrical engineering and computer engineering courses.

Price: $142.00

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