A:AnswerI have had no issues running 2 PS4's on Warzone and Apex, 2 laptops, 1 PC and 4 phones connected to WiFi with no lag. I have Spectrum Internet.
A:AnswerWhen you set it up, you give each speed a separate network name. Then you can connect to which ever one you want. As for turning on and off, I have not done so, but I guess if it is in an easily accessible spot, you can just pull the power cord.