Interior or exterior wall?

Mine is about 600w and is mostly powered by solar but if it weren’t would cost me $13 at USD0.03/kwh

Change the IP addresses of the cameras

Drill a hole through the wall next to the door frame

You’re not suuuuuuuuuuuppposssed to. Its not best practice. Blah blah blah. Use a shielded cable, ground it, it’ll be fine. Cat 6 is tightly twisted and 120-220 volts does not produce the kind of interference that high voltage transmission lines do.

That’s windows task manager measuring the bandwidth at the network card. Not sure how or why it would incorporate switching overhead.

That can’t be right because I’ve seen higher speeds than that during downloads with a download manager on my 1GBs infrastructure https://imgur.com/a/aIaVpi8