... MPEG-1, MPEG-2, MPEG-4.2, MPEG4.10 (H.264),WMV9, VC-1, Xvid Audio Decoder Dolby AC3, DTS ... Audio (L/R); RJ45; USB 2.0; Optical S/PDIF; S-Video, DC12V INSpecificationDBS-Tuner: Frequency Range 5 to 858 MHzInput ... Impedance 75 OhmInput Symbol rate 1to 6.9 Mbaud/s Video decoder: Video Compression MPEG-2 and MPEG-1 ... MPEG-1, MPEG-2, MPEG-4.2, MPEG4.10 (H.264),WMV9, VC-1, Xvid Audio Decoder Dolby AC3, DTS ...