A:Answer Networks
GSM/GPRS/EDGE, UMTS/HSPA+
Frequency Bands (by model)
US GSM Model: (Optimized for T-Mobile US)
GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz)
UMTS/HSPA+ (850, 1700 (AWS), 1900 MHz)
Global GSM Model: (Optimized for AT&T and Global Use)
GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz)
UMTS/HSPA+ (850, 900, 1900, 2100 MHz)