... backpanel.- Using UTP cable ( CAT 5, RJ45) to transmit video,l instead of co-axial.- Longer transmission distance ... up to 1800ft- Easy installation, using the standard ... is much less than co-axial cable.- Support all video device, such as camera, monitor, DVR card ... LAN system, using pin 4,5 for video signal and pin 7,8 for power transmission.