... RS232 modem, GSM IP modem, GPRS data modem, data terminal,GPRS DTU, TCP/IP modem, Support transparent data transfe ... .5, 2Parity: none, even, odd, space, markBaud rate: 110~230400 bpsIndicator"Power", "ACT", "Online"AntennaStandard SMA female interface, ... /1.8V user card interface, 15KV ESD protectionPowerTerminal block interface, reverse-voltage and overvoltage protectionTerminal BlockAntenna Interface ...