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a regular size phone can now do satallite phone-ing
That is what the wikipedia link says too. Still we are talking about smartwatch here with tiny battery, not phone. Currently it loses phone connectivity even when you move 10m away and GPS is not the best one even as a receiver. Also we are talking about component that costs about dollar or two (and is connected over simple uart we have under complete control)
Anyway, point taken, next bangle 3 should not be huawei mate 60 pro.
And BTW since we have quite a lot of posts from you in many topics it would be nice if you would chose a nick.
For that you would need something with much bigger battery and better antenna. Even your phone would struggle with that task https://en.m.wikipedia.org/wiki/Satellite_phone#Integration_into_conventional_mobile_phones
But maybe there could be deluxe version of the watch sold as a kit with two tinfoil hats, one small for the watch and one bigger :-)