Radio Frequency

Radio Frequency

Discover how Radio Frequency Identification affects you
Even if you don’t know what RFID (Radio Frequency Identification) is, the chances are you’ve experienced this technology first hand. Micro-chipping your moggy, setting the alarm off at your library by forgetting to get your book signed out, or using the London Underground with an Oyster card are all examples of RFID in action.
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Toronto, Canada – GAO Comm has announced the release of its portable QAM signal tester useful for testing in digital CATV transmission systems. This well-designed signal tester uses Digital Signal Processing (DSP) and Radio Frequency (RF) technologies to enhance its practicality and reliability, especially in testing parameters of digital TV transmission links including channel power, C/N, and MER. GAO Comm's high performance QAM signal tester, model 771A, operates in the frequency range of 50MHz to 870MHz at an accuracy of ±10ppm and conducts QAM analysis at a symbol rate of 5.361Mps. It tests indexes for analog TV such as level and V/A and supports 256QAM DVB mode. In digital power testing, signal types including QPSK, QAM, COMDF and random waveform can be tested. This optimized device can be connected to a computer via a serial port enabling easy storage, analysis and printing of test data. Configurations and margins can be saved and downloaded through its software interface. Visit for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ext. 601 – Toll Free (USA & Canada) 1-416 292-0038 ext. 601 – All Other Areas About GAO Comm GAO Comm is an international leading provider of communication test instruments, equipment for the installation, testing and maintenance of communications infrastructures.

Toronto, Canada – GAO Comm has announced the release of its portable QAM signal tester useful for testing in digital CATV transmission systems. This well-designed signal tester uses Digital Signal Processing (DSP) and Radio Frequency (RF) technologies to enhance its practicality and reliability, especially in testing parameters of digital TV transmission links including channel power, C/N, and MER. GAO Comm's high performance QAM signal tester, model 771A, operates in the frequency range of 50MHz to 870MHz at an accuracy of ±10ppm and conducts QAM analysis at a symbol rate of 5.361Mps. It tests indexes for analog TV such as level and V/A and supports 256QAM DVB mode. In digital power testing, signal types including QPSK, QAM, COMDF and random waveform can be tested. This optimized device can be connected to a computer via a serial port enabling easy storage, analysis and printing of test data. Configurations and margins can be saved and downloaded through its software interface. Visit for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ext. 601 – Toll Free (USA & Canada) 1-416 292-0038 ext. 601 – All Other AreasAbout GAO Comm GAO Comm is an international leading provider of communication test instruments, equipment for the installation, testing and maintenance of communications infrastructures.

Toronto, Canada – GAO Comm has announced the release of its portable QAM signal tester useful for testing in digital CATV transmission systems. This well-designed signal tester uses Digital Signal Processing (DSP) and Radio Frequency (RF) technologies to enhance its practicality and reliability, especially in testing parameters of digital TV transmission links including channel power, C/N, and MER. GAO Comm's high performance QAM signal tester, model 771A, operates in the frequency range of 50MHz to 870MHz at an accuracy of ±10ppm and conducts QAM analysis at a symbol rate of 5.361Mps. It tests indexes for analog TV such as level and V/A and supports 256QAM DVB mode. In digital power testing, signal types including QPSK, QAM, COMDF and random waveform can be tested. This optimized device can be connected to a computer via a serial port enabling easy storage, analysis and printing of test data. Configurations and margins can be saved and downloaded through its software interface. Visit for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ext. 601 – Toll Free (USA & Canada) 1-416 292-0038 ext. 601 – All Other AreasAbout GAO Comm GAO Comm is an international leading provider of communication test instruments, equipment for the installation, testing and maintenance of communications infrastructures.

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