The HDMI extender uses only one CAT-5E/6 cable to extend the HDTV display in resolutions of 4KX2K and 1080P, max up to 25m. No set up needed simply plug & play. CAT-5e/6 cable substitutes using a HDMI cable to achieve longer transmission distance. Follow the standard of IEEE-568B. Transmission distance can be up to 25 meters for 1080p using CAT-6 Cable. Signaling rated up to 2.5Gbps in support of 1080p display. HDCP compliant. No power supply needed.