Blustream HSP14AB 4K UHD HDBaseT 4-way splitter allows a user to distribute a single HDMI source to 4 simultaneous HDBaseT outputs. It features HDMI loopout for local display or cascading to multiple devices. It can extend the HDMI signal up to 70m over a single CAT cable. The HSP14AB supports 4K UHD video (3840 x 2160 @30Hz 4:4:4, 4096 x 2160 @24Hz 4:4:4, and 4K @60Hz 4:2:0), all industry standard video resolutions including VGA-WUXGA and 480i-4K, 3D signal display and all known HDMI audio formats including Dolby TrueHD, Dolby Atmos, Dolby Digital Plus and DTS-HD Master Audio transmission.

• HDMI audio input de-embedded to both analogue L/R audio and Coaxial digital outputs concurrently
• Supports PoH (Power over HDBaseT™) to power compatible HDBaseT™ receivers (HEX70B-RX, or HEX70ED-RX)
• HDCP compliant

HSP14AB Transmitter unit plus 4 HEX70B RX Receivers and 3 IR remote senders.Power supply for base unit - the receivers take power over the CAT 6 cable from the base unit.

I had this serving 2 screens from a hidden media server and Sky installation.Works perfectly.Total cost was around £1000.