@Courtline Every mesh system with an ethernet backhaul will do the job for you. This could be a Deco system or a couple of Easymesh routers that support an ethernet backhaul - details. It could be an...

@Wldcat44 Check the datasheet for typical application of the CPEs - here. You can use them in poin-to-point or point-to-multi point scenario. CPE220 has built-in 12dBi 2x2 dual-polarized directional...

@Shids OK, I didn't get that. So you just have to connect the TV box to the RE220. Its ethernet port should work for wired connections out of the box. If TV box don't get any ethernet connection try...

@AndrewFD As a start update your RE firmware to the latest version TL-WA850RE(EU)_V7_1.0.13 Build 231115 from here. This could probably resolve your issue, since this FW release fixes some problems...

@Shids If you want your RE220 to be wired to your router, you have to change its working mode to AP. - details.

@tpl Nope. As I mentioned, this is a security feature which is not meant to be disabled.