1.IP QAM Modulator; 2.Modulating Modes:QPSK,16QAM,32QAM,64QAM,128QAM ... B; 4.LCD Display GQ-3660A IP QAM Modulator is a modulator with high performance-cost ratio, having a ... management system).GQ-3660A IP QAM Modulator is GOSPELLs first item of IP QAM Modulator, which is mainly used in ... easy operation, complete function, highly integration and most reasonable price.FEATURES: support ITU-T J.83A&B; FEC ...