I've done this exact thing with my second DIR825-C1, with a 5 GHz uplink. It works well as long as there aren't too many obstacles between the two boxes. Aside

I've done this exact thing with my second DIR825-C1, with a 5 GHz uplink. It works well as long as there aren't too many obstacles between the two boxes. Aside from acting as a repeater, I can plug wired devices into the second unit as well.