usb hsdpa modem 1.Rate: 384Mbps(Up)7.2Mbp(down) 2.Network:WCDMA ... /7/Mac 4.PC voice, SMS, Phonebook 900/2100MHZ GSM/GPRS/EDGE usb hsdpa modem Product function characteristics : 1,Standard USB connector , insert ... USB2.0AntennaInternal antenna Workelectricvoltage 5VChipset Qualcomm6280Frequency scope HSDPA:900/2100MHZ,GSM/GPRS/EDGE:850/900/1800/1900MHZ)Data delivers rate 384kbps(Uplink ...