I previously had av500 powerline plugs. All worked well until they became increasingly flaky. Dropping wireless signal completely. Thought maybe I needed an upgrade so bought ac1350. Paired them, cloned sky Q password etc. Its fine plugged next to the master socket. Bring it into the bedroom with the issue and the plug goes between red and green on powerline light. Tried other sockets, no change. Ethernet slots connected. Speed says 28mbps. I am so utterly frustrated because I need ethernet slots in the bedroom because I have a hue hub that roommates won't have in communal area. I don't understand why suddenly TP link that worked well suddenly fails consistently. No new appliances to interfere but sky Q seems to be a massive issue. Please help.