Here is a handheld GPS device that doubles as a satellite communicator to keep you connected outdoors. The Garmin GPSMAP 66i GPS & Satellite Communicator has a 3″ sun-readable display. It lets you trigger an interactive SOS to the GEOS 24/7 search & rescue center. You get Active Weather forecasts through cellular connectivity.
The battery life lasts up to 35 hours. You can connect the device to your smartphone for planning and syncing data.