Gefen HDMI over CAT5 Extender LRThe GefenTV HDMI CAT5-LR extends crystal-clear 1080p full HD visuals and up to 7.1-channel digital audio at a maximum distance of 825 feet (250m) using two standard CAT5 cables. A single CAT5 cable can be used if the HD display"s technical parameters (EDID) are handled by the source equipment