Applications:
distribution automation system
feeder monitoring
Remote data monitor and control
Water, gas and oil flow metering
AMR (automatic meter reading)
Power station monitoring and control
Remote POS (point of sale) terminals
Traffic signals monitor and control

It’s based on GPRS wireless IP MODEM f2114 (GPRS MODEM GPRS MODEM Price GPRS DTU GPRS IP MODEM), It has small volume、low power、configuration simple to use plug and play. Support standard RS232/RS485 port, support main date channel、parallel multidata channel、real-time online and per demand online various working mode、support APN network access function, etc. Can not only protect the safe and reliable of data, also can let customer according to the needs transfer save the expenses.

Low consumption design
Support multi-sleep and trigger modes to save power consumption
Supply 5 I/O
Compatible 2 pulse wave output channels,2 analog inputs and one pulse input counter
Multiple online/offline trigger modes
Support several online trigger ways,including SMS,ring and data,support link disconnection when timeout
Suppot SMS backup
Modem will switch to SMS state to send the data by SMS when GPRS/3G Internet is down or data center is off. Modem can switch back to communication state from SMS state when GPRS/3G Internet or data center recovers.
Support real-time on/off line
The power consumption is less than 1mA in scheduled power off mode
Support APN/ VPDN network
Improve the security of data transmission
Stability and Reliability
1 Support hardware and software WDT
2 Support auto recovery mechanism, including online detect, auto redial when offline to make it always online 
3 RS232/RS485/RS422 port: 15KV ESD protection
4 SIM/UIM port: 15KV ESD protection
Standard and Convenience
1 Support standard RS232 and RS485(or RS422) port that can connect to serial devices directly
2 Support intellectual mode, enter into communication state automatically when powered
3 Provide management software for remote management
4 upport several work modes
5 Convenient configuration and maintenance interface
1 Support TCP server and support multi TCP client connection(optional)
2 Support double data centers, one main and another backup
3 Support multi data centers and it can support 5 data centers at the same time 
4 Support multi online trigger ways, including SMS, ring and data. Support link disconnection when timeout
5 Support dynamic domain name(DDNS) and IP access to data center
6 Design with standard TCP/IP protocol stack
7 Support APN/VPDN