3G USB Dongles Huawei e153 Works Worldwide 1.Speed 3.6M 2.Micro SD Slot 3.Plug&Play 4Support Windows2K/ XP/VISTA,Mac OS 3G USB Dongles Huawei e153 Works Worldwide Specifications:-2100Mhz UMTS 3G HSDPA Modem - Huawei E153-HSDPA/UMTS (2100MHz)-GSM/GPRS/EDGE (850/900/1800/1900MHz)-Support 3.6Mbps HSDPA services-Micro SD Card Slot-Support PC voice (optional) and SMS services-Support data statistics- ...