Rockbound Computer - We have a Garmin inReach Explorer+ for sale here. $449 It's a blend of Delorme and Garmin tech in a rugged waterproof package. Delorme maps/gps with Garmin's Iridium based
Pairing an Original inReach With a Phone or Tablet | Garmin Customer Support
Amazon.com: DeLorme inReach SE Satellite Tracker : Electronics