Personal satellite trackers allow you to send data, geolocation, or signal distress. Satellite trackers work throughout the entire planet, feature long autonomous operation and high protection from negative environmental impacts. When traveling to remote areas without stationary and cellular network coverage, a satellite tracker is an essential attribute of such a trip. Moreover, some tracker models allow not only sending coordinates and small data packets, but also using two-way text communication. A satellite tracker can be an excellent alternative to a satellite phone due to the relatively lower cost of both equipment and services.