1.gsm terminal 2.HSDPA/HUSPA TCP/IP Modem 3. high-powered RISC CPU 4. real time operating ... box gateway, sms sender, wireless pbx, cdma huawei, wireless fax machine, 3g ip modem, telecommunication product, sim bank, gsm adapter, simcom ... the status of data transferStandard AT command interfaceSupport common MODEM functionSupport telnet functionSupport remote configure and controlEasy to upgrade ...