Don, thank you for your detailed response. I appreciate it. I will review all this and see what works. Thanks again, Cindy

Current Hardware: Model: AC750 Wi-Fi Extender (RE220) Hardware Version: RE220 v2.0 Firmware: 1.0.1 Build 20190924 Rel. 45508 Hi - we have a large old historical home with lath and plaster walls. The...