Garmin 010-01735-10 In Reach Explorer+, HAndheld Satellite Communicator With Topo Maps And GPS Navigation Price: $279.99$519.61 (as of 09/24/2020 09:28 PST- Details)

100 percent global Iridium satellite coverage enables two way text messaging from anywhere (satellite subscription required)
Trigger an interactive SOS to the 24/7 search and rescue monitoring center
Track and share your location with family and friends. Water rating : IPX7. Battery : Rechargeable internal lithium ion