Platform:Qualcomm 6280 ï Network:WCDMA(HSDPA)/GSM/GPRS/EDGE ï WCDMA: 850/900/2100 MHz,Diversity ï GSM: Quad-Band 850/900/1800/1900 MHz ï HSDPA support:7.2M bps downlink,384K bps uplink ï Antenna:Internal dual antenna ï Weight:TBD, Support Mac Os USSD function ï Operating Temperature:-20 to +55 (°C) ï Storage Temperature:-30 to +70 (°C)Operating System Support Windows Vista Windows XP Windows 2000 Mac OS x