... gsm modem,, sms module, gsm modem at command, wavecom wireless modem, sim card modem, GSM modem, huawei, gsm modem rs232, huawei 3g ... usb modem, huawei modem, huawei 3g, hsdpa wireless modem, wcdma ... user card interfacePower interface: standard 3-PIN power jackPower supplyStandard power supply: DC 12V/0.5APower range: DC 5~35V Wireless ...