The one main issue I see is that if you connected to the router wifi, your device will stay locked on to that even if the signal becomes weak. Since it is not part of the mesh network, there is no hand-off to the ap with a stronger signal.
I have the exact same question. 1. Actiontec T3200M2. 2 pack telus boost mesh kit Unplugged the older actiontec wifi extender since it did not share the same wifi ssid name as the main router. I have the mesh network setup with my routers original...