... has equipped with 4 channel CVBS input, and 1 RF input. The signals source could be from satellite ... Key features n 720*576(PAL), 720*480(NTSC) Full SD support n MPEG2 encoding.n 4* CVBS in & ... Channel Number)n Excellent modulation quality MER≥46dBn RF Frequency range 30Mhz~860Mhzn Updates via web/Ethernet n ... in 1 TS receiver,H.264 encoder,QAM modulator,scrambler,multiplexer and so on 4 channels CVBS ...