VIZIO XWH200 Universal Wireless HD Video and Audio Kit (Black) Send high definition video and audio from up to 4 source devices to your HDTV - wirelessly! Universal - Works with most HDTVs and AV devices with HDMI output Ideal for wall mounted HDTVs - easy and quick installation Operates at 60GHz frequency - does not interfere with Wi-Fi devices Wireless transmission of HDMI video within a room, up to 30 feet away