1.simcom gsm/gprs module 2.HSDPA/HUSPA TCP/IP Modem 3. high-powered RISC CPU 4. real time operating ... huawei, wireless fax machine, 3g ip modem, telecommunication product, sim bank, gsm adapter, simcom gsm/gprs moduleEF2403 TCP/IP ModemWCDMA/HSDPA/HSUPA Data ... (DL), 42.8Kbps(UL) Interfacehigh-powered MCU, 100MRS232/RS485 serial port, rates: 110~230400bits/sIndicator lights: “Power”, “ACT”, “Online” ...