... professionals in CATV industry at the least cost. It can be used to measure accurately the Analogue channels,Digital channels ... -service, proof-of-performance analyzer. Fast, sensitive spectrum analyzer . Digital QAM carrier demodulation includes 16,32,64,128 and 256 ... 5MHz to 870 MHzRY-S1127Q 46MHz to 870MHz,with QAM functionRY-S1127DQ 5MHz to 870MHz ,with QAM function. CATV Signal Level Meter