... 1.USB HSDPA 3G modem, 2.Support 8GB Micro-SD Card, 3.PhoneBook, SMS, Single-band, double-band 4.chipset:6280 ... Product introduction6280 modem is this company offering a support network system of HSPA high-speed wireless modem,Downlink 7.2Mbps,Uplink384Kbps.Using ... with high speed, online voice, phonebook, text messaging, USSD, TF card memory expansion, flow inquires the set etc. Function.The standard ...