The other famous brands in the GSM USB modem is Huawei. And this is the Huawei-Vodafone K3565. This USB Modem support GSM HSDPA/WCDMA, has a 850/1900 GSM and 2100 Mhz WCDMA,
connect to PC with standard USB 2.0 high speed, at HSDPA or WCDMA signals speed of download up to 7.2 Mbps. There is additional slot for MicroSD memory.and the drivers is ready for WIndows XP, Vista and OS Mac.
Huawei-Vodafone K3565 Specifications:
Network : GSM, GPRS/EDGE/3G/HSDPA/WCDMABands : GSM 800/1900Mhz, 2100 Mhz WCDMA
Chipset : unknow
Type : USB (2.0 standard USB)
Support : SMS, Voice and phonebook
Model : R-UIM, Unlocked, Global roaming
Drivers : Windows XP, Vista and OS mac
Slot for microSD additional memory