I want my 3 tp-link mesh units to MANUALLY select channel 11.. but NO the Deco app says channels 1 or 6 ARE BEST !! as they have fewer clashes (for good reason) i.e. electromagnetic interference from...

I am struggling with this too. Deco has dropped my wifi from band 11 to band 1.. probably because fewer local wifi nets are on lower channels... However I know my old kitchen microwave causes...