The live shot of Xudongtai HDMI extender HE150 realizes the connection steps of 1-to-1 extension, 1-to-many extension, multiple sending and multiple receiving through network cables and switches. It supports 1920 * 1080P resolution and 200m extension (standard CAT6 network cable is required). This scheme can be used for large screen display of train numbers in subway stations, high-speed railway stations, terminal buildings, bus stations, etc