... double-band 4.chipset:6280 Wireless USB HSDPA 3G data cardsFeatures1 Fashionable appearance.supporting voice.onling play.answer the ... HSDPA/UMTS 2100MHZ/EDGE/GPRS/GSM850/900/1800/1900MHZ4 Transmission (maximum date rate)384kbps Uplink,7.2Mbps Downlink5 Plug ... 7.2Mbps,Uplink384Kbps.Using USB2.0 interface connection,To support data transmission with high speed, online voice, phonebook, text messaging, ...