... cable between BNC and Balun body that fits any DVR card compact backpanel.- Using UTP cable ( CAT 5, RJ45) to transmit video,l instead ... cable is much less than co-axial cable.- Support all video device, such as camera, monitor, DVR card and recorder etc ... .- Compatible with LAN system, using pin 4,5 for video signal and pin 7,8 for power transmission.