So you would like to use your smartphone off-grid to stay connected with your group? The Bivystick can help. It turns your smartphone into a satellite communicator, allowing you to send and receive text messages, track your path, and send a SOS message.
The gadget has a 5200 mAh battery that can charge your phone too. You will be able to use it to share your location, track your path, and access offline maps.
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