Iridium Extreme offers the fully integrated services of customizable GPS, Online Tracking, and Emergency SOS with notifications. More than a phone, it is a real mobile, real reliable tracking device with truly global coverage.
Iridium phones use military-grade technology to deliver the durability needed for extreme adventures straight from the motherboard. Waterproof, dustproof, and shockproof, they can take a few hits and perform well.
All of this is backed by 100% global coverage, so you're never too far away - that's one of the reasons why it's among the best satellite phones.