1. SPECIFICATIONS: (1)Suitable Network: HSDPA/UMTS( 850/1900/2100MHz) GSM/GPRS/EDGE (850/900/1800/1900MHz) (2)External Interface:USB 2.0 (3)Max Transmitting Rate: HSDPA 7.2Mbps (DL) UMTS 384Kbps (UL) EDGE 236.8Kbps (DL/UL) (4)Working Frequency: UMTS 850: 824~849MHz 869~894MHz UMTS/PCS1900: 1850~1910MHz 1930~1990MHz UMTS 2100: 1920~1980MHz 2110~2170MHz GSM 850: 824~849MHz 869~894MHz EGSM 900: 880~915MHz 925~960MHz DCS 1800: 1710~1785MHz 1805~1880MHz (5)Environmental: Operation Temperature: -20~55℃ Storage Temperature: -30~65℃ Humidity: ≤93% Vibration (non-operating): 15g peak, 10~500Hz (6)Operating systems Windows 2000, Windows XP, Windows Vista 2.KEY FEATURES: (1)Full integration,brand-new chipset,excellent stability (2)High compatiblity,high speed,low power consumption (3)Unique,tiny and patent design 3.FUNCTIONS: (1)Internet Browse (2)SMS (3)Call Record (4)Connection Flow Record (5)Phone Book Management (6)PDP Profile Management (7)Support VPN/VPDN (8)flash memory