Balun Passive 4CH Port Channels RJ45 BNC UTP Video CCTV Surveillance Camera CCTV 4CH Passive Video BNC to UTP RJ45 Camera DVR Balun w/Cables Feature: The 4 Channel Transceiver Box. It converts 4 coax lines, BNC Jacks, to a Screw Terminal Block and/or 1 RJ45 Jack. 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 330m when used with any passive UTP video transceiver Up to 1500m with any active UTP video receiver No power required Built-in transient suppression protection Packing list: 1 x 4CH Passive Video Balun with Cables