I carry a PLB--but those can't sense a fall, they only broadcast if you specifically trigger them. Anyway, you're thinking of an avalanche beacon. Those are t

I carry a PLB--but those can't sense a fall, they only broadcast if you specifically trigger them. Anyway, you're thinking of an avalanche beacon. Those are to help others you are with find you quickly if you're buried in the snow, they have no GPS capability.