FunctionAdopt the international advanced STi7100 solution Fully DVB-T compliant Fully DVB-C compliantCoax SPDIF outputSupporting electron program brows EPGAspect ratio: 4:3/16:9 High speed USB2.0/E-SATA portH.264 MEPG-4 MEPG-2 HD/SD decoding (MP@HL/ML) Supports REC by HDDSupporting Dolby AC-3 or AAC audio decoding Software upgrade via Rs232Marshalling HDMI output ports Channel and Program editor YPbPr output: 1080i/720p/576pParental guidanceTwo SCARTS sockets Dolby 5.1 channel or PCM digital audio outputAC90~260V input2CI Supports Irdeto,Viaccess,Conax,Nagravision,NDS,etc....