Amazon.com: FUERAN HDMI Signal stabilizer (EDID Lock Screen) Mac Thunderbolt Through DDC EDID Emulator for use with Video splitters,AV Receiver 、Switches and Extenders (fit-Headless) 4k-3840x2160@60Hz (3pack) : Electronics
Amazon.com: Bewinner 30M HDMI Extender Repeater by CAT5e, Sender + Receiver, TMDS DDC Over RJ45 CAT5e CAT6 LAN Ethernet Balun Extender Adapter Up to 1080P Supports 3D, Black : Electronics
HDMI 2.0: How to generate cleaner signals over long traces, connectors and cables - Analog - Technical articles - TI E2E support forums