... steady quality as Huawei E173 Item Name: Steady quality usb tablet internal 3g modem --- DM6441U,DM6445U Marketing Unique ... addressed regionEMEA, APACKey Drivers NetworkHSUPA, UMTS,EDGE,GPRSForm-FactorUSB Dongle modemDimensions (mm)90*25*8mmWeight Network Frequency Support ( ... Downloadup to 42.8Kbps UploadExternal Interface PowerPowered via the USB interfaceOS Supported Windows 2000, XP, Vista 32/64, ...