@Johnfleet Thanks everyone for your suggestions - tbh they are probably too technie for me but I'll try some of the ideas!

@Wayne-TP I don't think that I can do this? If I turn off the main hub - which is the one which it's connecting to then surely the other hubs won't have a signal with which to connect? (3 hub system)...

Camera is connecting to the fairest away hub on my Tenda 3 hub meh network. Resulting in very poor WiFi signal strength. Even if I reboot with camera removed from garden location and placed next to...