WDQ-3200 QAM modultator CATV headend is one of the main equipment to receive from the encoder,multiplexer,DVB gateways, scrambler,video services,such as the DVB transmission equipment stream,RS coding,convolution QAM modulation,such as weaving,and channel processing,or provide IF output or RF output. Can be widely used in digital TV,data broadcasting,video-on-demands,Internet,video conference and the other digital broadband applications.