Extend hdmi up to 230ft 70m over a single cat5e6 cable with power over cable to receiver the startechcom hdbaset extender kit extends hdmi up to 230 feet 70 meters over a single cat5e or cat6 cable the extender supports ultra hd and full hd resolutions 4k 1080p with support for 3d and the accompanying digital audio for added versatility both the transmitter and receiver can be powered by the same single power source using power over cable poc the versatility of this video exten