DVB-C/MPEG-2 standard supports CAS like Sumavision,Conax, ... human and more convienent.Features completely accords with DVB-C/MPEG-2supports many stars QAM modulating modes(16QAM,32QAM ... parameter input frequency ; 47-862MHZ channel modulate standard ; DVB-C EN300 429demodulation ; 16QAM,32QAM,64QAM,128QAM,256QAMsymbol rate ; 3 ... 10W(MAX) structure size 185× 140 ×50mm DVB-C SD digital Set Top Box