Hello, moved into a new house and noticed the attached. I'm not technical enough to understand what it is/does. I can see Ethernet points in most rooms, so does it control the internet that way? We...

Anyone?

Hello, I've got a TP-LINK TL-PA2030KIT 200Mbps Powerline Adapter that I ordered back in 2015 (https://www.amazon.co.uk/gp/product/B00FEDTWJI/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1). No...