DVB-C/MPEG-2 standard supports CAS like Sumavision,Conax, Irdeto.... 256QAM modulating mode EPG NVOD DCR-800H digital TV STB ,adopted by advanced ... upgrade Technical parameter input frequency ; 47-862MHZ channel modulate standard ; DVB-C EN300 429demodulation ; 16QAM,32QAM,64QAM,128QAM,256QAMsymbol rate ; 3.6 ... 5V/2Apower consumption 10W(MAX) structure size 185× 140 ×50mm DVB-C SD digital Set Top Box