1,Twin Tuner HD 2,SKS and IKS for Nagra3, 3,support 1080p 4,USB2.0,ethernet port,RS232 port AzAmerica S930A -Fully DVB-S/DVB-S2/MPEG2/MPEG4/H.264/AVC Compliant-Manual-proof User Interface and Easy-Going Remote control-Twin Tuner PVR, Watching one channel whuke Recording another channel.-Transporation Stream Recoding Supported.-Multi-language OSD.-Dual USB for Multimedia player(MP3,MP4,OGG,MKV, ...