... wireless broadcast transmitter 1.MMDS digital transmitter (CATV wireless) 2.Low local oscillation phase noise CATV wireless broadcast transmitter1.MMDS digital transmitter (CATV wireless) ... this system is that detect the state of indoor transmitter, such as working voltage, transmitting power, working temperature ... signal modulation modeQPSK,64/256 QAM,COFDM,AM,FM,DVB-T,DMB-T/HVector Error Rate(EVM)< ...