4ch Passive UTP Video Balun. Simultaneously Transmit Four Channels of Video Signal Through Cat5 Twisted Pair Cable. Easy Installation, and Support Most Video Device. Adopt differential signal transmission with excellent anti-jamming ability Save project wire expenses, each a pair of twisted pair wire transmits one channel of video signal and one common Cat-5 unshielded twisted pair wire can simultaneously transmit four channels of video signal Full-motion CCTV video at distances up to 1082 ft when used with any passive UTP video transceiver Up to 4900ft with any active UTP video receiver; Built-in transient suppression protection; No power required.