SC-G4 Series


  • ESP32-WROOM32 Module
  • GSM / LTE Connection
  • Built-in 0.96 OLED Display
  • microSD Card Support
  • DS3231 RTC with Battery Backup
  • Built-in Button on Front Panel
  • Digital Inputs
  • Analog Inputs
  • Transistor Outputs
  • DIN-Rail mount




USB Programmable Controller with multiple connectivity channels. Ideal for a IoT gateway or data transmission applications. The device is based on ESP32-WROOM32 SoC with GSM/LTE Connectivity.  It has I/O Compatible with industrial voltage levels, and with added protection. Models are available with different variations on Inputs and Output options. Moreover IIOT GSM Industrial ESP32 is expandable with Expansion modules.


  • Bluetooth/Wi-Fi
  • RS-485 Modbus


  • GSM/GPRS (SIMCOM SIM800C version)
  • LTE/EDGE (Quectel EC21 version)

I/O & Support

  • Multiple expansion module support
  • Analog Inputs (4-20mA/ 0-10V, 16bit Resolution)
  • Digital Inputs
  • Transistor Outputs (500mA/300mW power rating)
  • MicroSD card Support
  • Integrated RTC with Battery Backup


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