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) Dimension: 83mm *30mm *13mm 7) Memory: 512MbNAND+256MbSDRAM 8) 3 color LED indicator for network status 9) Weight: about 40g 10) Lower power consumption 11) OS support:WinXP,Win2003,Vista,MAC(10.4.1 version later) 12) Normal operation temperature:-15 to +55 SPECIFICATION FOR DATA TRANSFER 1) Circuit switched data 2) HSDPA support: 7.2Mbps downlink 3) HSUPA support: 5.76Mbps uplink 4) Dual antenna receiver diversity 5) GPRS/EDGE MS Class 10, MCS1-MCS9 INTERFACES 1) USB 2.0 HS 2) SIM Card SOFTWARE FEATURES 1) SMS 2) Phone book 3) SIM Management 4) PDP Profile Management 5) Auto-Run install 6) U-disk 8 languages Software : Russian , Italian , Spanish . English , Finnish . Portuguense. Germany Chinese