IOT M2M Modem DTU Supports Transparent Transferring SMS with TTL RS485 Port for Smart Meter PLC
The GSM/GPRS/3G/4G IOT M2M Modem DTU D223 is a powerful and programmable multi-purpose
wireless cellular modem and data transfer unit (DTU). It provides a secure, high speed,
reliable wireless data transmission between com port and internet connection for customers
over GPRS/3G/4G wireless cellular network. Also, it can be used as SMS modem and Modbus
RTU to Modbus TCP converter.
Moreover, it is suitable for transparent transferring SMS text between mobile phone, computer and
RS232/RS485/TTL Serial port over GSM/3G/4G wireless cellular network. It can be used as SMS
modem supports transparent transferring SMS, AT Commands, and provides 1 digital input can be
used as SMS Alarm and Pulse Counter Alarm, too.
The GSM/GPRS/3G/4G IOT M2M Modem suitable for below applications:
¡ßThe Electricity Power Industry
1. Remote Meter Reading
2. Power monitoring
3. Streetlight monitoring
4. Meter monitoring
5. Control Room monitoring
6. Power distribution automation remote control systems
¡ßAutomatic monitoring system
¡ßVending Machines,ATM,POS
¡ßThe traffic Industry
1. Traffic instructions
2. Vehicle Park Guide
3. Expressway monitoring
4. Traffic lights control and photograph transmission
¡ßWater Industry
1. Water Monitoring
2. Water Meter Reading
3. Real-time transmission of the water supply network monitoring
¡ßEnvironment , meteorology, oil and other industries
1. Environmental protection of key pollution sources monitoring
2. Environmental monitoring
3. Meteorological monitoring
¡ßThe noise real-time monitoring
¡ßOilfield monitoring
¡ßHeating network monitoring
¡ßCoal monitoring
¡ßSeismic monitoring
¡ßAll kinds device with RS232/RS485/TTL serial port of the PLC, RTU wireless data transmission.
1. Can be operated from anywhere, no distance limitation;
2. Quad band 850/900/1800/1900Mhz GSM GPRS Module inside;
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;
11. Build-in protocol stack, support TCP/UDP network protocol;
12. Support transparent data transfer and Modbus TCP protocol conversion;
13. Heartbeat function and autodial to ensure the device online;
14. Supports DNS and static data service center IP address;
15. Supports wakeup by SMS, Call and Comport, Timer, Digital input or pulse counter input;
16. Automatically restart the cellular module while communication failure, and resend the data in the cache,
the cache capacity up to 500 bytes, also when cellular communication failure will alert by SMS text;
17. Supports remotely restart the device, and configure it by SMS commands remotely;
18. Up to 10 user`s phone number to receive alarm and daily report SMS/Call;
19. Industrial class design suitable for long time work applications;
20. Support configure parameters, load profiles and upgrade the firmware via PC;
21. Wall mount or 35mm standard DIN rail Design, convenient installation
1*DTU D223 (Please choose which version do you want)
AC/DC AdaptorX1
Antenna X1
User Manual X1
Note:if you choose 4G version,please tell us which module do you want