... 4 Channel Network Video Decoder with H.264Features:D1 , compatible to Half-D1, CIF and QCIFUses G.726,G.711 ... serial port with several built-in high-speed domes and decoder protocols, supports transparent protocolsAuto-recovery after exception occurs or ... output, RAC interfaceTitle OSD Supports channel name, date, and video stream information overlay; OSD location is adjustableControl Interface1RS232, ...