@IanAlmighty WiFi 6E runs on 6 GHz. What you have is WiFi 6 connection. WiFi 6, just like WiFi 5, uses 5GHz band. Surface Pro 9 tech specs confirm support for WiFi 6E, but for Surface Pro 8 all I can...

@Emilerdbeer In Deco app, tap More->Advanced and make screenshot of that screen. Post it here.

@Emilerdbeer See How to configure Address Reservation on a Deco

@Thirrony When running Deco mesh in AP mode, there is no need to pass all wired traffic through Main Deco. Because of that, it makes sense to offload Main Deco from this, by removing it from the link...

@Thirrony It is enough to place the router between modem and Main Deco, and that is what I would recommend to do as a first step. After you have reconfigured Deco mesh to run in AP mode and confirmed...

@yusufpiskin Your hub will have better performance if it is connected directly to the modem Ethernet port.