... HSUPA modem, Wireless modem,RS232 MODEM, industry MODEM, GSM modem, RS232 WIRELESS GSM/GPRS MODEM, SMS GSM MODEM ... sim card modem, GSM modem, huawei, gsm modem rs232, huawei 3g usb modem, huawei modem, huawei ... DC 5~35V Wireless moduleHigh-powered industrial GPRS module Size91x58.5x22 mm Weight630 gWorking conditionOperation ... ~+85ºCHumidity: 95% (unfreezing) EF1103 RS232 GSM/GPRS modem,wireless modem