EXTRON USB EXTENDER Tx 33-1720-01 HDMI Over Cat 5/6 28-071-57LF | eBay
HDMI Wallplate Transmitter is an HDBaseT Wallplate transmitter of HDMI extender series which supports 1*HDMI input and LED indicators, HDMI Wallplate Transmitter resolution can up to 4k@30hz, with the
Extron DTP HDMI 4K 330 RX Receiver Extender 60-1331-13 - No PSU Lead | Audio Visual | Team Spares
Extron HDMI 101 Plus Cable Extender/Equalizer | eBay