SPOT's Gen3 (1) device is the latest from one of the best- recognized names in the PLB market. Its tracking feature allows you to post coordinates to an online map at regular intervals, and the 'Check In' button provides peace of mind for your pre-programmed contacts. Since emergencies come in all degrees of severity, the Gen3 allows you to request help in non-life threatening situations or to call in the search and rescue cavalry. (findmespot.com, $170 plus service plan starting at $15/month, annual contract required).

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