USB 3.0 Type A to HDMI and Gigabit Ethernet Adapter
Amazon.com: HDMI Extender Over Cat5e/6, RJ45 Ethernet Splitter to HDMI 2 Ports Network Adapter 2 Pack, Support 1080p UP to 30m/98ft Video and Audio for HDTV HDPC PS4 STB : Electronics
1080P HDMI Extender Über doppel Cat5e/6 RJ45 Ethernet kabel zu 30M HDMI zu 2 Port RJ45 verlängerung Transmitter Adapter für PC TV _ - AliExpress Mobile
Do Ethernet over HDMI injectors exist and if so what are they called? - Super User