... HD-SDI input,H.264 video. 1080P ip video encoder for CCTV cameras. Standard H.264 video compressionSupport 1080P,720P,SVGA,XGA ... +Bit rate1Mbps-12MbpsVideo Input1 CH SDI inputVideo Output1 CH BNC output(1.0Vp-p/75Ω),1 CH VGA outputPicture ... (Talkback G.722)Bit rate64KbpsAudio Input1ch BNC interface input, 1ch MIC inputAudio Output1ch BNC interface, 1ch headphone outputAlarmAlarm TriggerVideo lost, ...