Iridium Extreme -IRI-9575

Combines location awareness, SOS and market leading toughness.

Military-grade durability

Resistance to: Dust, shock, vibration, blowing rain (and more)

Highest Ingress (IP) rating in the industry: IP65

GPS-enabled

Developer kit for short-burst data tracking

Programmable location service menus

Programmable SOS button

https://www.navteam.com/Products/Communication/Iridium/Portable-Iridium-Extreme.html