@Alexandre. I've tried it, the WiFi is still working fine, then I have the option to switch the main deco manually. If I don't switch the main deco the led will blink red Thanks for your help

@Alexandre. Thanks I've tried Alexandre. wrote @andocen I tested that with similar setup as yours, two years ago. Acess Point mode, Deco M5, two Satellite M5s wired to the switch and one Satellite...

Hello, If I'm using 3 Deco M5 in Access Point mode, all three connected to the same unmanaged switch, does the main deco need to be active (online) in order for the other 2 satelite deco to be online...