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4G LTE IoT Gateway - RGX-840

Industrial IoT Gateway - Raspberry Pi compatible

4G/LTE - GPS - CAN - RS485/232 - Gyroscope - Sensor

NodeRed, MQTT, REST, J1939, CANopen, Codesys etc.
Energy-saving - Robust - Ultra-compact
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Industrial 4G LTE IoT Gateway

The RGX-840 industrial 4G LTE IoT Gateway product family is specifically designed for use in mobile applications in all types of vehicles. The RGX-840 is equipped with a freely configurable and programmable Linux Debian 11 / Bullseye based operating system. The RPi compatibility leads to significant cost savings in software development, system setup, and system maintenance. Applications can be realized quickly and inexpensively. The system is equipped with an integrated 4G / LTE modem and a GPS / GLONASS receiver and supports - among other interfaces - up to 2 CAN ports. Thanks to the very low power consumption, the device operates fanless. Thanks to its compact dimensions, the system is easy to install even in demanding installation situations.


Industrial Raspberry Pi compatible platform

The IGX-560 IoT gateway is based on a fully industrial Raspberry RPi compatible computer platform. This results in a number of advantages that can be realized in considerable time and cost savings. There are considerable simplifications in software creation and administration, as a broad knowledge and software base can be used. There are already tried and tested examples or even ready-made solutions for practically every application and requirement. In industry, system solutions are often first created as a fast prototype with a Raspberry Pi. In the next step, such a solution can be quickly and seamlessly converted into an industrial solution with the IGX-560.


Extensive range of interfaces

An extensive set of industry standard interfaces is available for coupling and collecting the data on site:

  • LAN
  • RS485 / RS232 ports and terminal connection
  • CAN ports
  • Digital-IO, M-Bus,
    Acceleration, onboard temperature
  • HDMI display port
  • Customizations and
    Extensions are possible at any time

Modern radio technology

The integrated 4G / LTE technology of the IGX-560 ensures reliable, wireless internet access. The automatic fallback to 3G and 2G guarantees optimal internet availability. A fail-safe permanent link technology was developed for the cellular connection. The connection is established automatically and automatically restored at any time in the event of an interruption. The radio module can be fully controlled and also reset by software. The integrated WiFi module can be operated in both client and access point mode. Both at the same time are also possible. The also integrated BT interface of version V5.0 offers BLE functionality. For example battery-operated sensors according to the BLE standard can be connected.

Quick and easy implementation of the application with NodeRED

The IGX-560 system supports a ready-to-use Node-RED installation in the latest version. The version is equipped with full functionality including the compilability of nodes. Specially developed nodes are included for the operation of all hardware components. Furthermore, nodes for standard protocols such as Modbus-TCP, Modbus-RTU etc. are available. Node-RED typically reduces the development time for specific application systems considerably and can be used at any time for professional productive systems. Axotec also offers development support for new developments or modifications of nodes and applications.

Powerful and energy-saving industrial RPi computer platform

IoT applications are characterized by very different ranges of requirements. The powerful and extremely energy-saving computer architecture with simultaneous compatibility with the RPi platform, which is widely used in the industry, ideally meets the requirement:

  • 1.5 GHz QuadCore system with 1 GB RAM
    (on request 2GB, 4GB, 8GB memory)
  • 16GB to 128GB onboard flash memory
  • Compatible with industry standard Raspberry Pi
  • Power consumption from 3-4 watts
  • extended temperature range
  • Power control

Free programmability

For programming the IGX-560, all common programming languages are available in their current version through the use of the standard Debian system. Examples are C / C ++, Python Version V3.8, NodeJS V12, Java V11, PHP V7, HTML, CSS and SQL etc. Tried and tested systems such as Netbeans, Eclipse, Remote GDB etc. are available as development systems.

Open standard Debian system

IGX-560 comes with an operational Debian Linux. It is a fully featured standard Debian system. This means that practically all common software packages are available and can be installed automatically with the push of a button. Examples are Apache, LightTPD, NPM, MySQL, SQLite, PostgreSQL, Docker, Paho, Codesys etc. The standard Debian operating system is of course freely configurable. Access to the command line is already set up and accessible via the serial terminal interface and via network and ssh access. Axotec offers development support for the connection of specific hardware such as RFID readers, barcode readers, USB adapters, sensors, etc.

Cloud connection to the leading providers or to your own cloud

The connection to the common cloud providers such as Microsoft Azure / Amazon AWS / Google Cloud / Cumulocity is possible without any problems. A connection to a private cloud is also easy to implement. The common required services and protocols such as MQTT and REST are ready for operation.

Support of all common VPN technologies

VPN technology is regularly used for secure data transmission. Often the VPN technology used cannot be freely selected due to existing infrastructures or other reasons. Therefore, the IGX-560 supports the common VPN technologies OpenVPN and IPsec. OpenVPN, StrongSwan and Wireguard can be used directly as packages. Axotec can offer support with the configuration and commissioning of VPN technology.

TPM Security

An integrated TPM chip is optionally available. This has a wide range of possible uses in the area of security for IoT applications, for example for storing cryptographic keys, for generating real random numbers and for authentication. TPM2 software stack support is available as well as e.g. authentication with cloud services.

Power supply with wide range input

Power can be supplied with DC voltages between 9 and 34 volts. The supply input is reverse polarity protected and protected against overvoltages. External control of the switch-on and switch-off process is optionally available. Switching on and off is then carried out via a status input. The shutdown process is automatically controlled by software, so that a safe and controlled shutdown of the computer is guaranteed.

Highest operational safety

The IGX-560 Embedded Computer has a low power consumption and operates without a fan. The reliability of the software system is optimally supported by the integrated hardware watchdog for 24/7 operation. The 4G module as well as WiFi, Bluetooth and the USB interfaces can be reset separately via software.


A ready-to-use Codesys implementation is also available for the IGX-560 system. With this IGX-560 can e.g. operated as a soft PLC. CANopen and J1939 stacks are automatically included.

Specification RGX-840

  RGX-840 CAN RGX-840 RS485 RGX-840 FLEX
Linux Operating System

Debian 11 / Bullseye based RaspiOS system with full access to the Raspberry Pi Software World

The Linux system is freely configurable and programmable

1.5GHz Cortex A72 Quad core

Flash 16 GB up to 128 GB onboard Flash memory
Main Memory

1GB main memory, (on request 2GB/4GB/16GB)

LTE/4G Dual-Band TDD-LTE B38/B40, Five-Band FDD-LTE B1/B3/B7/B8/B20, Dual-Band UMTS/HSDPA/HSPA+ B1/B8, Dual-Band GSM/GPRS/EDGE 900/1800 MHz
The module can be reset by software
4G/3G Antenna Connector SMA female connector, Optional: auxiliary antenna connector, optional FAKRA connector
GNSS (GPS, GLONASS) Protocol: NMEA-0183, GPS supports MS/UE-based, MS/UE-assisted and hybrid modes with AFLT (CDMA), NMR (GSM), and MRL(UMTS, WCDMA, LTE), standalone and network-aware modes , A-GPS
Accuracy: 2.5m (CEP50) TTFF (Open Sky), Hot start <1s, Cold start 35s 
GPS: Cold start sensitivity: -148dBm, Tracking sensitivity   -159 dBm
GLONASS: Tracking sensitivity -158 dBm , supports standalone mode 
GNSS Antenna Connector SMA female connector, integrated power supply for active antennas, optional FAKRA connector
CAN-Bus 2 - 0/1/2

1 x 10/100 BaseT Ethernet interface

USB Host

2 x USB host 2.0 high speed 480Mbps, the power supply of each USB port can be controlled by software.
So the USB device can be reset by software without user intervention

RS232 1 x RS232 - terminal
RS422 or RS485 -

1 RS485

0/1 x RS232 or
0/1 x RS485

Digital Inputs

2 digital, isolated inputs


0/2 digital, isolated inputs

Digitale Outputs

2 digital outputs


0/2 digital outputs


HDMI interface type A connector


Battery-buffered RTC


WiFi 802b/g/n/ac with external antenna connection (combined with Bluetooth antenna, if the Bluetooth option is available)


Bluetooth V5.0/BLE

with external antenna connection (combined with WiFi antenna, if the WiFi option is available)

Integrated Sensors 3-axis accelerometer: +2G, +-4G, +-8G and
Temperature: .40°C..+85°C
Status LEDs 1 x Power on, 1 x System activity, 1 x microSD access,
3 user programmable LED's

Hardware Watchdog

Hardware Watchdog for automatic reset in case of software failure
also usable for software controlled hardreset for full restart

Power Supply

Wide range DC input 8..34 Volts with polarity protection, Industrial connector
very low power consumption from ~ 3 watts


The optional power control input can e.g. be directly attached to the ignition terminal. If the ignition is switched off, the application gets a switch-off request.


Storage: -40°C..+85°C, Standard operating: -25°C..+70°C non condensing

Wide Temperature models, operational extended: -25°C..+70°C non condensing,

-30°C..+70°C non condensing with onboard microSD

Case Stable aluminium case, Dimensions: ca. 102 x 95 x 31 mm
Mounting options Mounting brackets, DIN rail snap-in holder

SMA Antenna Connectors

The RGX-840 product family is available with both FAKRA antenna connectors and SMA connectors.
FAKRA automotive connectors are standardized connectors with both mechanical and color coding of the corresponding functions, such as 4G in violet color or GPS in blue color.
SMA connectors are widely used standard antennas. Many antennas are offered as standard with SMA plugs.
It should be noted that there are male and female connectors and moreover so-called inverse connectors. In the case of the inverted plugs, the arrangement remains threaded and the union nut but inside the plug, the pin and socket are reversed.
The RGX-840 computer family is equipped for 4G and GPS with SMA standard female connectors.
The antenna must therefore have an SMA standard male connector. WiFi is equipped with an R-SMA connector.

Mounting Brackets

The Bracket option makes it easy to attach the RGX-840 In-Vehicle Computer to flat mounting surfaces. This ensures a stable and easy mounting of the RGX-840.


The horizontal DIN rail mount option allows the RGX-840 in-vehicle computer to be mounted on a standard DIN rail. The horizontal mounting option is chosen when space is limited to the front.
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