... transfer 4. Support DDNS IP modem, RS232 modem, GSM IP modem, GPRS data modem, data terminal,GPRS DTU, TCP/IP modem, Support transparent data transfe ... bits: 1, 1.5, 2Parity: none, even, odd, space, markBaud rate: 110~230400 bpsIndicator"Power", "ACT", "Online"AntennaStandard SMA female interface ...