When you need something RUGGED!!! Amazon.com: Urban Armor Gear UAG-GLXN2-WHT/BLK-VP Composite Case with Impact Resistant Bumpers and Screen Kit for Samsung Galaxy Note 2 - White: Cell Phones & Accessories
Great for camping, and travel in general - goTenna | No service, no problem. goTenna pairs wirelessly with your smartphone, enabling you to text with anyone who has the device even if you don't have service. No towers, routers or satellites required!