1.QAM Modulator; 2.4 ASI inputs, 1 RF output; 3.support QPSK,16QAM,32QAM,64QAM,128QAM and 256QAM 4.FEC fuifill DVB ... -C QAM-4 QAM Modulator is mainly used in low ... price. The Modulator can input four-way TS (ASI) and outputs one-way RF signal. After data processing, the four-way TS ...