StarTech.com ST121USBHD HDMI Over CAT6 Extender with 4-Port USB Hub, Remote HDMI Over CAT5 or CAT6, 165 ft (50 m), 1080p: Amazon.co.uk: Electronics & Photo
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PW-HT202P(POC) HDMI Extender 165ft/50m Lossless Transmission Over Single Cat5e/6 Full HD 1080P Support 3D EDID One Power Supply (UTP+Transmitter and Receiver) : Amazon.co.uk: Electronics & Photo
StarTech.com ST121USBHD HDMI Over CAT6 Extender with 4-Port USB Hub, Remote HDMI Over CAT5 or CAT6, 165 ft (50 m), 1080p: Amazon.co.uk: Electronics & Photo