蜂窝调制解调器D223

导航系统 RS232 GSM

GSM/GPRS/3G/4G IOT M2M Modem DTU D223是一款功能强大、可编程的多用途无线蜂窝调制解调器和数据传输单元(DTU)。嵌入式高可靠性32位ARM9 MCU和工业GSM/GPRS/3G/4G蜂窝引擎。它通过GPRS/3G/4G无线蜂窝网络为客户提供通信端口与互联网连接之间安全、高速、可靠的无线数据传输。它也可以作为短信调制解调器和Modbus RTU到Modbus TCP转换器。适用于通过GSM/3G/4G无线蜂窝网络，在手机、电脑和RS232/RS485/TTL串口之间透明传输短信文本。它可以作为短信调制解调器，支持透明的短信传输，AT命令，并提供1个数字输入，可以作为短信告警和脉冲计数器告警。GSM/GPRS/3G/4G物联网M2M Modem功能特点:可在任何地方操作，无距离限制;2.四波段850/900/1800/1900Mhz GSM GPRS模块内部; 3. 3G UMTS/HSDPA/4G Modules are optional.; 4. Embedded 32 bit ARM9 MCU, reliable performance with in-built watchdog; 5. Multi-functional, supports AT Commands, Transparent SMS and Data Transfer; 6. 1 TTL port can be used for TTL device data transfer; 7. 1 three-wire RS485 serial port, RS232 is optional, Baud rate adjustable from 1200~115200bps, ± 15KV ESD protection; 8. 1 digital input, supports dry contact, wet contact, pulse counter can be used as alarm, or trigger to wakeup or online event; 9. Powerful programmable features, supports programmable handshake message, etc; 10. Real-time online data transfer, supports always only or event triggered online;