@David-TP I have 23-25 sonoff switches in the house. 54 devices in total. Average connection level is 42 devices most of the time, however there are 4 that are regularly flashing with the no network...

I cancelled Sky and went with Three Mobile broadband. The WiFi wasn't good so I have bought an M4 Deco Mesh system and installed it hard wired to the 5G modem. I have smart lightswitches that connect...