This update to the Rugby II bumps up the display size and camera resolution, but is otherwise similar. Key features include a rugged clamshell design, global 3G, PTT, GPS navigation, 3-megapixel camera, and a memory card slot. Sturdy design for extra durability, certified to Military Standard 810G. aGPS functionality with turn-by-turn directions and proactive traffic alerts. Calling restriction features ensure the phone is used solely for the job at hand. One button access to contacts, large speaker and improved noise suppression.