The Gefen 4x4 HDMI CAT5 Matrix offers unprecedented flexibility and convenience by routing high definition audio / video from any of four HDMI video sources to any of 4 remote displays over inexpensive, standard CAT5 cabling.Each remote display has a control box that allows the viewer to select any of the 4 video sources and control that source via an IR remote control as if the viewer was standing in the room where the source originates.Full High-Resolution HDTV signals are supported up to a resolution of 1080p at a maximum distance of 150 feet and 1080i resolutions can be extended up to 300 feet. The Gefen 4x4 HDMI CAT5 Matrix works with HD-DVD players, TiVo systems, HT PCs, and satellite set-top boxes that connect to an HDMI display. Every source is accessible at all times by any display by selecting it with an IR remote.