Featuring TETRA Enhanced Data Service (TEDS) option, 3920 Digital and Analog Radio Test Set can verify operation of TEDS mobile stations and base stations. System also tests RF performance of transmitter and receiver of TEDS-capable TETRA radios. Unit measures transmitter peak, RMS error vector magnitude, and IQ imbalance, using T4 test signal, as well as bit error rate or message error rate. Test option includes graphical display of modulation, including view of QAM constellation.
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