@lordlance fwiw, I'd personally just lay an ethernet cable to the room, and if wifi is required, install a wireless access point on the end of the cable. eg. Archer C50 or A5 AC1200 router offer...

@lordlance For wifi, you should be using 5 GHz wireless for speeds above 30 mbps. 5 GHz wifi signals have much shorter range than 2.4 GHz. For ethernet, try 1000 mb powerline adapters, look at mesh...

@lordlance You could use the TPlink powerline Utility to check the link speeds between adapters. But TBH, if measured ethernet speed is 36 mbps, then it is as good as you'll get for your property's...

@RobC Yes, provided they all successfully pair together.

@alainb TL-WPA4220 is single band 2.4 GHz 802.11n wifi product. There is no 5 GHz wifi.

@lordlance You mentioned speed of 35 mbps. Most modern phones and laptops only have 1 aerial. 35 mbps it typical speed for 2.4 ghz wifi. Connect a computer to ethernet port on WPA-4220 extender and...