... Transmitter Specification : Modulation COFDMDC InputDC12.5V~DC16.8VWorking Current≤3.8A/DC12.5VRS232 Control InterfaceStandard RS232 level, 9600,8, ... , supporting 1200~115200ConstellationQPSK,16QAM,64QAM (optional)FEC1/2,2/3,3/4,5/6, 7/8 (optional)Guard Interval1/32 ... ΩRF InterfaceN femaleModulationCOFDMConstellationQPSK,16QAM,64QAM (optional)FEC1/2,2/3,3/4,5/6,7/8 (optional)Carrier2K, 8KGuard Interval1 ...