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If I’ve learned one thing from listening to the entire back catalog of the excellent podcast Real Survival Stories , it’s this: Whether you’re mountain biking Californian trails or kayaking the west coast of England, the proverbial, you know, can hit the fan really fast. When an adventure flips unexpectedly into an emergency situation, the one thing you definitely want is a way to summon rescue, even when you're far from cell networks.

Until now, tapping into off-grid comms meant carrying a dedicated satellite messenger . But alongside competitors like Google and Apple , Garmin—makers of

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