A satellite phone that has not been activated is just extra weight in a pack, vehicle, or go-bag. Prepaid Iridium SIM card activation should be completed and tested before your team reaches a trailhead, departs a marina, enters a disaster area, or rolls beyond cellular coverage. The process is straightforward,...

A satellite phone that works at the trailhead but loses service on a high-latitude flight route, offshore passage, or Arctic project site is not a communications plan. This Iridium vs Inmarsat coverage comparison focuses on the practical question that matters before deployment: where will your people, vessel, vehicle, or expedition...

A satellite phone earns its place in a hiking pack when a bad situation cannot wait for a trailhead, a passing hiker, or a thin bar of cell service. The best satellite phone for hiking is not necessarily the smallest or least expensive model. It is the one that can...