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ARM-based Industrial IoT Gateway

Make Your Data Actionable From Edge to Cloud



Elastel Arm-based series IoT Gateway is designed on Arm-based computer as IoT Gateway for data acquisition, protocols conversion, remote alarm and cloud integration... in industrial applications.

From OT to IT

This series offers RS485/RS232 Serial ports, Ethernet ports, 4G LTE wireless-ready, compact and fanless hardware platform. 

Equipped with Open OS support Docker, Node-Red, Python, and prebuilt Elastel data acquisition drivers like Modbus, MQTT, OPC UA, BACnet ..., These versatile capabilities like LEGO bricks for you quick set up your OT-to-IT applications.


With its industrial-grade reliability, robustness and security, Elastel ARM-based IoT Gateway series including EC212 (ARM9), EG324 (ARM A9), and EG324 Lite(ARM A35) are widely applied as Modbus Gateway, Node-Red Gateway, BACnet gateway, also programmable Edge Computer for building up your specific IoT applications.

Featured Products Overview

Model EC212 Industrial DTU EG324 IIoT Gateway EG324 Lite IIoT Gateway
CPU ARM9 @ 300MHz ARM Quad-core A9 @1.4 GHz ARM Dual-core A35@ 800Hz
RAM / Storage 64MB / 128MB 512MB / 8GB 128MB / 8GB
Storage Expansion 1x microSD
Serial Ports (Isolated) 2 x RS232/485 2 x RS485 + 2 x RS232/485
Ethernet Port 1x 10/100 Mbps 2x 10/100 Mbps
USB Port 1x USB 2.0
Cellular Network 1x mPCIe slot for 4G LTE / 3G / 2G, NB-IoT, CAT-M1 cellular module
Wi-Fi Optional via USB Wi-Fi Dongle (Prebuilt Common USB Wi-Fi dongle drivers)
Power Supply 9 ~ 36 VDC 9 ~ 48 VDC
Power Consumption Working Mode: 5 W
Peak Consumption: <10 W
Working Mode: 6 W
Peak Consumption: <10 W
Operating Temperature -40 to 85°C (-40 to 185°F)
Dimensions (L×W×H) 116 × 111 × 27 mm 128.8 × 117 × 28 mm
OS Linux 3.10 with WebUI Ubuntu core 20.04 with WebUI Linux 5.10 with WebUI
OT-to-IT Protocols Modbus RTU/TCP/ASCII, PLC Protocols (Siemense S7 serial, Mitsubishi FX serial…)
OPC UA, BACnet server/client, TCP/UDP, HTTP, TLS MQTT
Secondary development Python,  C/C++ with SDK Toolchain Node-Red, Node.js, Python, PHP
Docker, Ubuntu DPKG
Node-Red (optional), Python, PHP
C/C++ with SDK Toolchain

Three Key Factors for Choosing the Right IIoT Gateway

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1. Powerful and Elastic Hardware platform

Variant ARM computing hardware platform options to match your system requirements

  • ARM9 / A9 / A35 options for different needs from entry-level to high-performance
  • 1 or 2 auto-sensing 10/100 Mbps Ethernet ports for IP-based communication
  • 2~4 Isolated RS-232/485 ports for connecting field devices
  • 4G LTE / 3G / 2G / NB-IoT cellular wireless-ready

2. Open and Flexible Software system

Easy configrable and Flexible programmable software platform for quick building up your specific applications

  • Ubuntu Linux OS, supports Docker, Node-Red, PHP, Python...
  • Multiple industiral protocols like Modbus, OPC UA, BACnet server/client, HTTP, MQTT available
  • Prebuilt ready-to-use data acquisition programs quick setup processing
  • Easy Remote device management by secure Web/SSH access and OTA upgrade

3. Industrial-grade Reliable and Rugged

Born for industrial use, strict verification and test to ensure most reliablity under harsh industrial conditions from each electronic components to structure layout design

  • -40 to 85°C wide Operating temperature
  • Enhanced 15KV ESD, Level 3 EMC, 2KV Surge Protection
  • Software detection & Hardware Watchdog for unattended reliablity
  • Compact and fanless Palm-sized enclosure with DIN-rail & Wall mount support


Over the years, with its high-performance, reliablity, ruggedness, open, easy-to-use, and cost-effective characteristics, Elastel ARM-based  series gateway has been helping a large number of customers achieved their industrial IoT applications all over the world.

Node-Red Gateway

Rely on the open-source software node-red, the EG324 become a node-red gateway for data acquisition, protocols conversion, local processing, remote management and cloud integration applications for your industrial 4.0, remote infrastructure management..., projects.

Modbus Gateway

With the prebuilt Modbus RTU/TCP/ASCII protocols drivers available, Elastel ARM-based series could be a Gateway of Modbus TCP to Modbus RTU / ASCII bothway for OT-to-IT data acquisition and control applications, Supports up to 32 Modbus slaves transparent serial to Ethernet or convert JSON to MQTT.

Edge Computer

With ARM-based CPU high-performance & low power consumption advantages, Open OS, Docker, Python, API and toolchain long-term support, Elastel ARM-based series gateway is the most suitable platform for developing and running your own specific applications like legacy infrastructure digitalization, smart energy management.

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