3g hsdpa modem with voice

3ghsdpa modemwith voice function-D682 1,Key features: 2100MHz Wireless 3G HSDPA modem Frequency:UMTS/HSDPA 2100MHz GSM/GPRS/EDGE 850/ 900/1800/1900MHz DL:7.2Mbps UL:384Kbps OS:Windows2000, Windows XP, Windows Vista, Windows 7 Chipset:Qualcomm MSM6280 Support PC voice call 2,Product Description: • Plug and Play, the data card into the PC or laptop to automatically install and launch applications; • Connect easily; • Data card compatible with HSDPA and UMTS, downlink speed of up to 7.2Mbps,is compatible with EDGE / GPRS / GSM, speeds up to 247Kbps; • including the band 2100 Mhz and quad-band EDGE / GPRS / GSM (850/900/1800/1900 Mhz); • better performance of the receiver balanced; • LED status indication connection status, including signal strength indication; • can be used on desktops and laptops, compatible operating systems have Windows2000, Windows XP, Windows Vista, 64 bit Windows 7 Specifications (characteristics of different regions have different cards) • GSM/GPRS/EDGE: 850/900/1800/1900 Mhz; • UMTS/HSDPA: 2100Mhz; • Switch mode: automatically in the HSDPA, WCDMA, GPRS switching between the three; • Antenna: Built-in antenna; • USB powered, USIM interface; • Support for Extended Memory: Support MicroSD card; • Wireless Mode: Just 3G/3.5G (WCDMA / HSDPA) • Only the 2G (GSM / GPRS / EDGE) • 2G +3 G (3.5G dual-mode) • Support SMS, phone; software power; • Plug and Play: Auto installation of software; • Environmental Operating temperature:-20o C to +55 o C; • Storage Temperature:-30o C to +65 o C; • Humidity: ≤ 93%; • Band: UMTS 850 824 849MHz 869 894MHz UMTS1900 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 PCS1900 1850 1910MHz 1930 1990MHz 3.Software interface