My concern is really of a more technical nature: 2G-5G are somewhat "chatty" on their signalling channels, as far as I understand.
Even when a given network does not support your operator/SIM card, your device will attempt to connect to it at least once (and hopefully cache the resulting rejection permanently and not keep trying in a loop).
But in case your device does support the satellite-based service (e.g. as a T-Mobile customer in the US), it would then attach to the satellite network if no terrestrial service is available and send periodic location updates etc.
That's normally not a problem, since cell sizes on earth are limited (either by geometry/physics or intentionally by network capacity planning), and by extension also the ratio of signalling chatter per cell.
I'm just not sure if unmodified LTE clients can be convinced to be less chatty only from the network side.
Even when a given network does not support your operator/SIM card, your device will attempt to connect to it at least once (and hopefully cache the resulting rejection permanently and not keep trying in a loop).
But in case your device does support the satellite-based service (e.g. as a T-Mobile customer in the US), it would then attach to the satellite network if no terrestrial service is available and send periodic location updates etc.
That's normally not a problem, since cell sizes on earth are limited (either by geometry/physics or intentionally by network capacity planning), and by extension also the ratio of signalling chatter per cell.
I'm just not sure if unmodified LTE clients can be convinced to be less chatty only from the network side.