Passive 4 channel twisted pair video transceiver, optimized for HDTVI / HDCVI / AHD / CVBS high definition video. It can function as a transmitter or as a receiver, and allows the signal of up to four video cameras to be transmitted over a single UTP cable. The adapter has 4 BNC connectors, to connect to a VCR. Includes 4 individual LS-HD912 baluns to connect to cameras. On the other hand, it has a connector for UTP cable, either by RJ45 or by terminals with 4 +/- contacts, for the connection of the cable by wires.