CATV Signal Level Meter Handhold Design Limit test and Auto test ... with high accuracy rate. Mainly it supports C/N, level, channel power measurement, voltmeter function, spectrum analysis and so ... channel / Frequency simulated power levels testing . Video and audio signal power levels testing . V /A testing. Show the frequency ... -S1127DQ 5MHz to 870MHz ,with QAM function. CATV Signal Level Meter