Power over Coaxial cable which can convert the signal over TP-LAN,BNC and 2-wire cable. It can extend the video signal transmission distance of digital camera,and supports PoE function.Terminal POE device such as cameras can be powered by the transmitter,not need to set the power supply separately.Product adopts industrial design,suitable for all kinds of video transmission systems,such as security monitoring system,elevator video network coverage,multimedia network teaching system,industrial automation control system,medical monitoring display system,advertising screen real-time playback system,etc.