Casio GzOne Ravine 2 was officially announced in November 2011, Device released in November 2011Mobile Network Support and BandCasio GzOne Ravine 2 have Mini-SIM Card Slots,and there is no 3G Network Band Support,3G for CDMA supports at CDMA 2000, 1xEV-DO,comes with network handling support with Network settings and work offline with flight Mode. Device Body Design and Display Casio GzOne Ravine 2 is a Flip device and it have device dimension with