Robustel EG5101

Industrial edge computing gateway with Dual-SIM 4G LTE Cat-1, Serial and a Debian-based OS

The Robustel EG5101 is an industrial edge computing gateway that combines LTE Cat-1 backhaul with on-device processing for cost-sensitive deployments. Powered by an NXP i.MX 6ULL (792 MHz) and 8 GB eMMC, it runs RobustOS Pro (Debian 11) with Docker support, enabling lightweight, containerized applications for protocol bridging, buffering, and local preprocessing.

Dual-SIM redundancy and Ethernet WAN provide resilient connectivity, while an enterprise VPN suite (IPsec/OpenVPN/GRE/L2TP/PPTP/DMVPN) secures links to your control systems. For legacy and industrial equipment, the EG5101 includes 1×RS-232 and 1×RS-485 interfaces, simplifying direct connections to PLCs, meters, and instruments alongside IP devices.

A wide operating temperature range and cabinet-friendly mounting suit field panels and plant rooms. Fleet operations scale through RCMS for centralized monitoring, configuration, and firmware updates.

Result: a compact, open platform that delivers reliable connectivity and practical edge capability for smart metering, asset tracking, and distributed monitoring.

DUAL-SIM CELLULAR

4G/LTE Cat-1, Dual-SIM Card support for failover

INDUSTRIAL READY

Metal Housing, Small Form Factor and -20 – +70 °C Support

INTERFACES

1x LAN and RS-232 & RS-485 Serial

OPERATING SYSTEM

RobustOS Pro – Full Linux Debian Operating System

RCMS ON-BOARD

RCMS Cloud device management enabled

Edge Gateway Series ‘Quick Pitch’ Video

Example EG5101 Use Cases

Smart Metering

Poll Modbus meters via RS-485, aggregate/threshold locally in Docker, buffer data, then send compact reports over LTE Cat-1 to MDMS/SCADA with RCMS oversight.

Water & Plant Monitoring

Connect legacy RS-232/RS-485 instruments at reservoirs, pump stations, weather/water-quality sites. Run edge rules to detect excursions and rate-limit chatter; uplink summaries over Cat-1.

Rental & Mobile Equipment

Read controller telemetry over serial, apply on-box logic for runtime/alerts, batch uploads via Cat-1 to fleet systems—keeping airtime predictable and management centralized.

Looking for more use cases?


With millions of Robustel devices deployed across more than 100 countries, it’s impossible to capture every use case above. Explore the links below to discover some of the exciting and innovative ways our technology is making an impact worldwide.

This Device is RCMS Ready


RCMS is a cloud-based IoT device management platform that gives you real-time visibility across your entire Robustel fleet. So you can troubleshoot, update, and optimize performance from anywhere at anytime, without sending engineers to site.

Product Mounting Options

Desktop Mount

DIN Rail Mount

Wall Mount

System Architecture

Operating System

RobustOS Pro

CPU

i.MX 6ULL, 792 MHz

RAM

512 MB DDR3/1 GB DDR3

Flash

8 GB eMMC

Cellular

Supported Technologies

4G/LTE Cat-1

Antennas

1 (MAIN)

Connector

SMA-K

SIM

2 x Mini SIM (2FF)

Ethernet

Ethernet Ports

1 x 10/100Mbps

Magnet Isolation Protection

1 KV

Serial Port

Serial Ports

1 x RS-232 + 1 x RS-485

Connector

6-pin 3.5 mm terminal block with lock

ESD Protection

8 KV air, 4 KV contact

Baud Rate

300 bps to 115200 bps

Signal Definition

RS-232: TXD, RXD, GND

RS-485: Data+ (A), Data- (B), GND

Other Interfaces

Reset Button

1 x RST

LED Indicators

1 x RUN, 1 x RSSI, 1 x USR, 1 x MDM

Watchdog

External

USB

1 x USB 2.0 (host), Type A, 5 V, 500 mA

Power Supply & Consumption

PSU Connector

2-pin 3.5 mm terminal block with lock

Input Voltage

12/24/48 V DC, 9 ~ 60 V DC, reverse polarity protection, surge protection

Power Consumption

Idle: 1 W@12 V
Max: 5.5 W@12 V

Recommended Power Supply

12 V DC/1.5 A power adapter

Physical Characteristics

Ingress Protection

IP30

Housing & Weight

Metal, 374 g

Dimensions

32 x 105 x 134.8 mm

Installation Options

Desktop, Wall Mount and 35mm DIN Rail

Operating Temperature

-20 – +70 °C

Storage Temperature

-40 – +85 °C

Relative Humidity

5 – 95% RH (non-condensing)

Software Features

Network Protocols

PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, NTP, SMTP, Telnet, ARP, VLAN, SSH2, DDNS, etc.

VPN Tunnels

IPsec, OpenVPN, GRE, L2TP, PPTP, DMVPN

Firewalls

DMZ, anti-DDoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control

Remote Management

RCMS, Web, CLI, SMS

Serial Port Protocols

Transparent, TCP Client/Server, UDP, Modbus RTU to TCP

SIM Management

Smart Roaming

Optional Apps

L2TP, PPTP, DMVPN, VRRP, QoS, SNMP, Language, RCMS, Dynamic Route, Captive Portal, Modbus Master, TR069, Edge2Cloud, etc.

Software Development Kit (SDK)

Supported Programming Languages

C, C++, Python, Java, Node.js, etc. (for users to develop own applications)

Flash available for SDK

6GB

RAM available for SDK

256 MB/768 MB

Regulatory and Type Approvals

Environmental

RoHS 2.0

EMI

EN 55032 Conducted Emission Class B
EN 55032 Radiated Emission Class B

EMS

EN 61000-4-2 (ESD) Contact Level 2, Air Level 3

EN 61000-4-3 (RS) Level 2

EN 61000-4-4 (EFT) Level 2

EN 61000-4-5 (Surge) Level 3

EN 61000-4-6 (CS) Level 2

EN 61000-4-8 (PFM) Level 2

Available Models

Model

Supported Frequency Bands

Certifications

Order Code

Package Contents

EG5101-A-4E-A31EU
512MB DDR3
EMEA + ANZ

4G LTE FDD: B1/3/5/7/8/20/28

CE, RCM

CB, UKCA

A013000005

1 x EG5101 Gateway (B Code: B130001)

1 x DIN Rail Mounting Kit

EG5101-A-4E-A31EU
512MB DDR3
EMEA + ANZ

4G LTE FDD: B1/3/5/7/8/20/28

CE, RCM

CB, UKCA

A013000006

1 x EG5101 Gateway (B Code: B130001)

1 x DIN Rail Mounting Kit

1 x Cellular Antenna

1 x Power Adapter

EG5101-B-4E-A31EU
1GB DDR3
EMEA + ANZ

4G LTE FDD: B1/3/5/7/8/20/28

CE, RCM

CB, UKCA

A013000007

1 x EG5101 Gateway (B Code: B130002)

1 x DIN Rail Mounting Kit

EG5101-B-4E-A31EU
1GB DDR3
EMEA + ANZ

4G LTE FDD: B1/3/5/7/8/20/28

CE, RCM

CB, UKCA

A013000008

1 x EG5101 Gateway (B Code: B130002)

1 x DIN Rail Mounting Kit

1 x Cellular Antenna

1 x Power Adapter

NOTE:
1. For more information about regional & carrier specific variants please contact us
2. * Denotes Certification in Progress

EG5101 Downloads

Please note that all product downloads are now located on the Robustel Knowledge Base (https://support.robustel.com) the buttons below will take you to the relevant sections for each product.

Product Documentation


Firmware, Software & Applications

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