GENERAL FEATURES 1) Network: WCDMA/HSDPA/HSUPA/GSM/GPRS/EDGE 2) Working frequency: WCDMA/HSDPA/HSUPA): 850+2100MHz GSM/GPRS/EDGE: Quad-Band 850/900/1800/1900 MHz 3) Standard: WCDMA HSDPAHSUPA: Compliant to 3GPP R99&R5&R6 GPRS/EDGE: Compliant to 3GPP R99 4) Output power: WCDMA 2100MHz: 0.25W GSM850/GSM900: 2W DCS1800/PCS1900: 1W 5)Antenna: Internal 6)Dimensions: about 73*30.8*12.5mm（including USB cap and Antenna） 7)Memory: 512MbNAND+256MbSDRAM 8)3 color LED indicator for network status 9)Weight: about 36g 10)Lower power consumption 11)OS support: Win 2000, WinXP,Win2003,Vista64,MAC 10.4 and late 12)Normal operation temperature: -15℃ to +55℃