New ask Hacker News story: Ask HN: How to monitor loved elderly ones in the 21st century?

Ask HN: How to monitor loved elderly ones in the 21st century?
3 by thomasfromcdnjs | 6 comments on Hacker News.
I have a friend who has a relative that is going through dementia, who also has a heart condition, and also lives rural, if not in mountainous regions. I would love any and all suggestions as to modern tech that could facilitate; - GPS - health monitoring - notifications - long battery life - 4/5g (not bluetooth) (or radio towers etc) luxury; - voice calls - speaker - configurable Thanks for any and all answers.