@ArcherC8 Thanks for your suggestion. I have ordered one of these. I tried the emulator and I think I can see how to set it up. I am assuming that the extender connects to the main WiFi so will be...

@Tony Thanks for this. I have tried to set up a guest network but I really need it to be on a separate time schedule to the main network. So unfortunately this won't work for me. I am looking for an...

@IrvSp @ArcherC8 This is all very interesting and useful. I think I need to take some time to work on this. That articlw linked above looks to provide some useful information also. I am pretty sure...

@ArcherC8 This doesn't appear to be the case here. I changed the MAC address in the filter to the one that was logged in on the WiFi for the device. Next time I checked, next day, it had changed. I...

@Mikejd Thanks, I'll have a look at that, set up a white list. My only question would be - if I use the current MAC address for each device for the white list, access will be denied if the MAc...

@ArcherC8 I had noticed this. But it also seems to be happening with Android. I have another phone which seems to be doing the same. This must be somewhat dubious, presumably it will allow, say,...