DeLorme inReach SE Satellite Tracker Trigger an SOS and interact back and forth with GEOS, our 24/7 search and rescue monitoring center Send and receive 160 character free-form text messages with GPS coordinates to emails or cell numbers anywhere in the world. Adjustable tracking intervals from 10 minutes to 4 hours allow you to track your trip and share your location including GPS coordinates, elevation and speed Provides 100% global coverage through the Iridium satellite network. Delivery confirmation for all text messages and SOS signals., Color screen with predictive, virtual keyboard for standalone two-way messaging