We already do that?
See also
https://thomo.coldie.net/travel/norwegi ... the-world/
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Summary: 12 24 Hrs
Maximum: 8.6 8.6 deg C
Minimum: 6.7 5.1 deg C
Precip: 29.7 41.4 mm
Max Wind: 24 24 kmh
My insurance company gave me a fall alarm pendant that uses the cell phone network instead of the land line to get help. So if I'm out hiking and fall it will still be able to help, and has GPS to give my approximate location. However, the pendant still needs to be charged daily. So it will eventually fail anyway during an extended power outage. My mother had one that used the land line and would only work if she was near the house and there was power.Scenario: power cut, no lights, person falls and can't get up, mobile phone by bed but wearing alarm bracelet/pendant. They press the button but no response. Can't get to phone so person lies there until power comes on or someone comes who can get into house.