I have some some helpful answers on long HDMI from BatletUK. I want to run a long HDMI cable to my garage, probably 25m, and wondered if someone could recommend a cable spec that will definitely work.
25mts is too far, I doubt any HDMI will reliably run that distance
you could possibly do it over cat 6
https://www.amazon.co.uk/CAT5e-Extender-Single-Cable-Supports/dp/B0757QQGMY I have no idea if this will effect the handshake
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Here is more info regarding length of HDMI cables https://www.bluecinetech.co.uk/hdmi-max-length/