Meet the Garmin inReach Mini 2: a satellite communicator ready for your off-grid adventures. It features two-way messaging and SOS function. You can use it to share your location with your friends at any time (with a satellite subscription). The inReach Mini 2 combines with your smartphone to let you create waypoints and activities and sync your device.
This gadget can also work with other Garmin wearables and handheld devices for sending and receiving messages. It lasts up to 14 days on battery. Its TracBack routing helps you get back to your starting location when lost. The inReach Mini 2 sends messages, SOS alerts and location over the Iridium satellite network.[where to get it]