HUAWEI 682 3G-USB-Modem

HUAWEI 682 3G USB ModemMain ChipQualcomm MSM6280 Frequency bandGSM/GPRS/EDGE: 850/900/1800/1900MHz HSDPA/UMTS: 900/2100MHz Technical StandardsGSM 850: TX 824 849MHz RX 869 894MHz EGSM 900:TX 880 915MHz RX 925 960MHz DCS1800:TX 1710 1785MHz RX 1805 1880MHz PCS1900:TX 1850-1910MHz RX 1930-1990MHz UMTS 900: TX 880 915MHz RX 925 960MHz UMTS2100:TX 1920 1980MHz RX 2110 2170MHz Maximum transmission powerEDGE/GPRS/GSM output power: Class 4 (+33dBm ±2dB) for EGSM900 Class 1 (+30dBm ±2dB) for GSM1800 Class E2 (+27dBm ± 3dB) for GSM 900 8-PSK Class E2 (+26dBm +3 /-4dB) for GSM 1800 8-PSK WCDMA output power:Class 3(0.25w) Class 3 (+24dBm +1/-3dB) for UMTS 2100, WCDMA FDD BdI Class 3 (+24dBm +1/-3dB) for UMTS 900,WCDMA FDD BdV Sensitivity-106dBm Data Service RateHSDPA: data service of up to DL 7.2Mbps/UL384Kbps EDGE: data service of up to DL 384Kbps/UL 64Kbps GPRS: data service of up to DL 64Kbps/UL64Kbps Voice servicesOptional SMS servicessupport USSDsupport Other featuresPhonebook; Flow display and statistics AT commandSupports the standard AT command set TemperatureNormal operating temperature: -30°C +75°C Storage Temperature: -40°C +90°C Voltage5.0v ROHS EnvironmentalComply with ROHS environmental protection certification requirements CE CertificationMeet the CE standard (CE0168) InterfaceUSB 2.0 Interface, Plug & Play, Receiver FeaturesDual antenna ,Receive Diversity Micro SD Card SlotNO Driver InstallationFree CD-ROM installation Support OSWindows2000,WindowsXP,Windows7 64bit&VISTA 64 bit; English System,Other language versions(Custom). Physical Dimensions88(L)x25(W) x12(H)mm ColorWhite, black, red, blue Optional C