4 Channel Passive Video Balun, video signals from 4 different cameras can be transmitted over single network cable, save money and simplify your work. Video balun is to convert the video signal into the balanced signal applicable to be transmitted on common Cat-5 unshielded twisted pair wire with prefect transmission effect, which can be applied in the occasions such as video monitoring and video meeting and can transmit four channels of video image simultaneously on an 8-core Cat- 5 twisted pair wire. It can simplify the wiring project and save wire use quantity. Features: Video signals from 4 different cameras can be transmitted over single network cable Cost-effective and reliable connection Outstanding interference rejection and transient protection Adopt differential signal transmission with excellent anti-jamming ability Full-motion CCTV video at distances up to 330m when used with used with any passive UTP video transceiver Built-in transient suppression protection Male BNC allows connection directly to the camera or DVR No power required Connectors : 4 x BNC Plugs to 1 RJ45 (8 contacts 8 wire) Socket