... IP modem, GPRS data modem, data terminal,GPRS DTU, TCP/IP modem, Support ... 15KV ESD protectionData bits: 5, 6 ,7, 8Stop bits: 1, 1.5, 2Parity: none, even, ... user card interface, 15KV ESD protectionPowerTerminal block interface, reverse-voltage and overvoltage ... UIM PortPower InputItemContentStandard PowerDC 12V/0.5APower RangeDC 5~35VPower ConsumptionWorking StatesPower ConsumptionCommunication50-80mA ...