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by leggomylibro 2391 days ago
I use a Garmin inreach - the mini one is a little hard to use on its own because of the small monochrome display, but it pairs to your phone with bluetooth and has a nice companion app.

Also, the EarthMate app has a nice mapping interface which shows things like topographic maps and major trails, and it lets you download maps ahead of time in varying levels of detail for offline use.