Wired? Those would be HDMI extenders:

https://www.youtube.com/watch?v=KNP1MmtfpqU

Wireless? Same name, but a bit more expensive.

https://www.youtube.com/watch?v=Kdpewy7-QQ4

I am linking to You-Tube rather than specific hardware as I am not quite sure what you actually want.

Writing entirely for myself, I would lean towards something driven by a wall-wart as it removes the complexity of a power-supply (and the associated heat) from the actual system.

Peter Wieck
Melrose Park, PA