Hall Technologies ULTRA-V-1S 4K UHD HDMI Splitter/Extender (Transmitter) over 1 CAT6 to 100m/328ft. The ULTRA-V series are a family of extenders used to extend HDMI Video at resolutions up to 4K UHD to one or more remote locations up to a maximum distance of 100m (328ft) over a single CAT5e/CAT6 cable.
eBay