... ,Y4, SSSP, SBoxSupport Connect to serverals server(up to 4) at the same time. Fast change channel < 1seconds ... 1080iMPEG-1 Layer I & II & III, Dolby Digital Audio(AC3)DVB-S2/S CompliantCA 1xslot and CI 1xslot (optional)10 ... Code Rate: 1/2,3/5,2/3,3/4,4/5,5/6,7/8TunerSP720 Input Freq: 950- ... 9-Pin RS232: OptionalDimension220mm x 170mm x 40mm DVB S2 set top box with PVR MPEG4 dongle satellite receiver