@J-C.G. Hi. I haven't any links or recommended kit I'm afraid. Some APs/Routers have a 4G stick/SIM plugged in for back-up and switch if the internet connection fails - this sort of thing might do...

@J-C.G. If you can't do this using the TAPO options then you could look at using a wifi access point that's connected to your ADSL/4G connection. i.e. The wifi connection will find a working route.

J-C.G. wrote Yes, we need a waterproof T100 @J-C.G.

@Longy I can't help with getting the latest firmware I'm afraid. Strange that mine was 'offered' 1.3.3 yesterday, hopefully it will come your way soon. The H200 spec page (only just found this, nice...

For those interesting in an external/weatherproof version of the T100 movement sensor (please vote at the top of this thread!) then you might also be interested in this related feature request for...

@panteror