The Triplett HDMI-1TR is a Cost saving alternative to expensive long HDMI Cables. Easy, speedy solution allows you to use existing category cable to extend HDMI signals. Supports high resolution 1080p at 40M. Working range is up to 230 feet (70 meters) at 1280x720 and commonly used in pairs with your CAT5/CAT6 cable. Passive, no power required. PAIR.