DVB-T modulator 1.t adopts advanced framing structure, channel coding and modulation ... AIS input ports, one GPS.10MHZ input port and one 1 PPS input port. In order to improve the output ... 744FFT2K,4K,8Kbandwidth6M,7M,8MconstellationQPSK,16QAM,64QAMGuard interval1/4,1/8,1/16,1/32FEC1/2,2/3,3/4,5/6,7 ... /8Hierarchy modulationAlpha=1,2,4RF outputASI loop out2channels ASI loop out, BNC ...