IoT Products

industrial grade rs232 interface gsm modem

F2X03 Series IP MODEM is a kind of cellular terminal device that provides data transfer function by public GPRS/CDMA/WCDMA/EVDO network.

It adopts high-powered industrial 16/32 bits CPU and embedded real time operating system. It supports RS232 and RS485 (or RS422) port that can conveniently and transparently connect one device to a cellular network, allowing you to connect to your existing serial devices with only basic configuration.

It has been widely used on M2M fields, such as intelligent transportation, smart grid, industrial automation, telemetry, finance, POS, water supply, environment protection, post, weather, and so on.

Technical Specification

industrial grade rs232 interface gsm modem

Design for Industrial Application

  • High-powered industrial cellular module
  • High-powered industrial 16/32 bits CPU
  • Support low-consumption mode, including sleep mode, scheduled online/offline mode
  • Housing: iron, providing IP30 protection
  • Power range: DC 5~35V

Stability and Reliability 

  • Support hardware andsoftware WDT
  • Support auto recoverymechanism, including online detect, auto redial when offline to make it always online
  • RS232/RS485/RS422 port: 15KV ESD protection
  • SIM/UIM port: 15KV ESD protection
  • Power port: reverse-voltage and over-voltage protection
  • Antenna port: lightningprotection(optional)

Standard and Convenience

  • Support standard RS232 and RS485(or RS422) port that can connect to serial devices directly
  • Support intellectual mode, enter into communication state automatically when powered
  • Provide management software for remote management
  • Support several work modes
  • Convenient configuration and maintenance interface


  • Support TCP server and support multi TCP client connection(optional)
  • Support double data centers, one main and another backup
  • Support multi data centers and it can support 5 data centers at the same time
  • Support multi online trigger ways, including SMS, ring and data. Support link disconnection when timeout
  • Support dynamic domain name(DDNS) and IP access to data center
  • Design with standard TCP/IP protocol stack
  • Support APN/VPDN