The DVI Video Extender System amplifies and extends video up to 100 ft. (30m) away from your HDTV or PC monitor via a single solid CAT 5e/6 cable, and it is audio enabled for stereo speaker connection. The DVI Video/Audio Extender System allows you to remove valuable system equipment from high traffic areas and store it in a secure location. Hence, it is ideal for: Broadcasting and digital signage applications in Classrooms, exhibits, trade shows, or any installation where the display needs to reside in a harsh setting, but you want the system equipment kept in an environmentally friendly location.