C Spire Wireless is adding the Sonim XP 3400 Armor to its device line-up. Mentioned as the world’s most rugged wireless device, the Sonim XP 3400 Armor combines ultra-rugged features with the speed and reliability of mobile broadband to offer a highly reliable lifeline for users who work in some of the harshest environments anywhere, like farmers, oil rigs, construction and utility workers, law enforcement, fire protection and more.
