... modem, GSM IP modem, GPRS data modem, data terminal,GPRS DTU, TCP/IP modem, Support transparent data ... 1.8V user card interface, 15KV ESD protectionPowerTerminal block interface, reverse-voltage and overvoltage protectionTerminal BlockAntenna ... UIM PortPower InputItemContentStandard PowerDC 12V/0.5APower RangeDC 5~35VPower ConsumptionWorking StatesPower ConsumptionCommunication50-80mA@12VDC; 115- ...