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HRM Pro bluetooth max range

If I pair a Garmin Fenix with a HRM Pro via bluetooth to record an activity, what will be the max range of communication? And what is the max range for ANT+ ?

  • The official distance for either protocol is 3 m / 10 ft. In ideal conditions it will reach several times longer but you might get drop outs. In my experience the signal path matters more than the distance. So maybe it will work 30 ft away with no obstacles. But then I have seen the signal to my watch drop intermittently just by holding my wrist behind my back.