Motorola Motofone F3 Unlocked Phone with Dual-Band GSM 850/1900--International Version. I keep one of these in my go kit. It is incredibly inexpensive and extremely reliable. The battery life exceeds the high ends phones on the market and because of that, it is a great item to have in a pinch. So if you are traveling or mining in Chile, this phone is a great item to have in you day bag. This unlocked cell phone is compatible with GSM carriers like AT&T and T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint. International version dual-band GSM cell phone compatible with 850/1900 frequencies and GPRS capabilities. Durable, flush-fitting keypad; large electronic ink display is easily viewed in direct sunlight; stores up to 250 contacts; clock with alarm. Up to 4.5 hours of talk time, up to 300 hours (12.5 days) of standby time. What's in the Box: Handset, battery, travel charger, documentation.