... , SMS, Single-band, double-band 4.chipset:6280 Wireless USB HSDPA 3G data cardsFeatures1 Fashionable appearance.supporting voice.onling ... a support network system of HSPA high-speed wireless modem,Downlink 7.2Mbps,Uplink384Kbps.Using USB2.0 interface connection,To support ... Can support 2 G / 3 G different business travel network charges,Support multiple operating system. For example Windows 2000/ ...