... 24V-28V AC Power via UTP CAT5 cable 3.RJ 45 Joint, easy to connect CCTV Video Balun feature:PAIR of Baluns for ... between BNC and Balun body that fits any DVR card compact backpanel.- Using UTP cable ( CAT 5, RJ45) to transmit video,l instead ... , using pin 4,5 for video signal and pin 7,8 for power transmission. 1 channel passive video,power balun and data transceiver