if your buddies have inReaches- you can easily communicate back and forth AND there is no cost associated with communication between inReach to inReach devices
it also has a cool feature if someone texts you with an inReach it shows on a map (Earthmate) where they are exactly and even how to get to their location (distance and a compass direction)
it also has a cool feature if someone texts you with an inReach it shows on a map (Earthmate) where they are exactly and even how to get to their location (distance and a compass direction)