EG5120 industrial IoT edge gateway buying guide
Best for
Projects that need local data processing, protocol conversion, Node-RED workflows, MQTT/Modbus integration, and reliable connectivity between field equipment and cloud systems.
Not ideal for
Simple routing-only sites that do not need edge logic, or very high-throughput 5G WAN projects where a dedicated 5G router is the primary requirement.
Key specs to check
Confirm CPU and memory needs, OS option, Node-RED or container requirements, Ethernet and serial ports, protocol support, storage, backhaul, RobustOS Pro features, and RCMS operations.
Typical deployments
Edge data collection, SCADA/PLC integration, protocol conversion, remote monitoring, site-level data buffering, and industrial IoT applications that need local logic.
Technical resources and downloads
Use these official resources to verify specifications, plan deployment, manage software, and confirm support requirements.
- EG5120 documentation hub - Review the datasheet, hardware and software manuals, application downloads, and CAD files for integration planning.
- EG5120 firmware downloads - Compare release notes and update formats before selecting firmware for lab validation or remote rollout.
- EG5120 certifications and approvals - Verify regional, carrier, safety, and product approvals against the ordered part number.
- RobustOS Pro edge platform - Understand the Debian-based environment, containers, Node-RED, protocol tools, and edge application options.
- RCMS remote device management - Plan centralized gateway monitoring, configuration, updates, and application operations across remote sites.
Related comparison paths
- Compare R5020 Lite when 5G routing is the primary requirement
- Compare R1520LG when LoRaWAN sensor networks are central
Buyer questions
Is EG5120 Debian OS Industrial IoT Edge Gateway a good fit for my project?
It is a strong fit when your project matches the use cases listed in the Best for section and the key specs align with your network, interface, environmental, and management requirements.
What should I confirm before ordering EG5120 Debian OS Industrial IoT Edge Gateway?
Confirm regional connectivity, ports, power, mounting, operating environment, software features, management workflow, and whether you need accessories such as antennas, cables, sensors, or a gateway.
Can EG5120 Debian OS Industrial IoT Edge Gateway be used for SCADA, PLC, or remote monitoring?
Many Robustel products are used in SCADA, PLC, and remote monitoring workflows. Match the required protocol, interface, bandwidth, and security requirements to the product specifications before deployment.
Where should I go next if I am comparing options?
Compare the related collection, review application articles in the Industrial IoT Blog, or contact Robustel with your site requirements for a technical recommendation.
Next steps
ARM Based IoT Edge Computing Gateway
Model: EG5120
Product Overview
The Robustel EG5120 is an industrial-grade IoT edge gateway engineered to seamlessly bridge OT and IT networks. By combining a high-performance quad-core ARM processor with our secure, Debian (LTS) -based RobustOS Pro, it provides a powerful platform for real-time data processing, analytics and control, empowering next-generation IoT applications in smart manufacturing, energy, and smart building.
● Powerful Edge Computing
● Features a Quad-Core 1.6 GHz ARM CPU, 2 GB DDR4 RAM, and 64 GB of eMMC storage, with out-of-the-box support for Docker and a full analytics stack (MQTT, InfluxDB, Node-RED, Grafana).Comprehensive Industrial Connectivity
● Offers global 4G LTE (Dual SIM), 2x Gigabit Ethernet, RS232/RS485 serial ports, and DI/DO/AI, with optional Wi-Fi 5, BLE 5.2, and GNSS for ultimate flexibility.Secure & Reliable Industrial OS (RobustOS Pro)
● Powered by RobustOS Pro, our secure industrial OS built on Debian 11. Its development is certified to IEC 62443-4-1 and validated by penetration testers, while system resilience is ensured by Automatic System Failback. The platform is backed by an industry-leading 10-year Linux LTS.Simplified Cloud Management
Integrates fully with the RCMS cloud platform for fleet-wide monitoring, OTA updates of both the OS and applications running in containers, and secure remote access to end devices like PLCs, dramatically reducing operational costs.
Specifications
Hardware System
● CPU: Quad-Core ARM Cortex-A53, 1.6 GHz (NXP i.MX8)
● RAM: 2 GB DDR4
● Storage: 64 GB eMMC
● Expansion: 1 x MicroSD Card Slot
● Indicators: LED for RUN, MDM, USR, RSSI
Network Connectivity
● Cellular: 4G LTE Cat 4 (Worldwide Frequencies)
● SIM: 2 x SIM Slots (Dual SIM Failover)
● Wi-Fi (Optional): 802.11 a/b/g/n/ac, 2.4/5 GHz, supporting AP and Client modes
● Bluetooth (Optional): Bluetooth 5.2 (BLE)
● GNSS (Optional): GPS, GLONASS, BeiDou, Galileo
Interfaces
● Ethernet: 2 x 10/100/1000 Mbps, RJ45
● Serial: 2 x RS232/RS485 (Software Configurable)
● I/O: 2 x Digital Input, 2 x Digital Output
● USB: 1 x USB 3.0 Host (Type-A)
Power & Physical
● Input Voltage: 9 to 60 VDC
● Power Consumption: ~5 W (Idle), ~20 W (Max) @ 12 VDC
● Housing: Aluminum Alloy
● Protection: IP30
● Dimensions: 49 x 105 x 128 mm
● Weight: 567 g
● Installation: DIN-Rail, Wall Mount, Desktop
Environmental
● Operating Temperature: -40°C to +70°C
● Storage Temperature: -40°C to +85°C
● Relative Humidity: 5% to 95% (non-condensing)
Certifications
● Regulatory: CE, UKCA, RCM, FCC, IC, PTCRB, UL
● Carrier: AT&T, Verizon
● Environmental: RoHS 2.0, WEEE
Software
Operating System
● OS: RobustOS Pro (based on Debian 11 with Long-Term Support)
● Containerization: Docker support
Key Supported Software & Protocols
● IoT Stack: Node-RED, MQTT, InfluxDB, Grafana
● Industrial Protocols: Modbus (RTU/TCP), OPC UA, BACnet, DNP3, IEC101/104 and more
● Cloud Integration: Native MQTT support for major platforms (AWS, Azure, Aliyun)
Networking
● Network Protocols: TCP, UDP, IPv4/v6, PPP, PPPoE, DHCP, ICMP, NAT, HTTP(S), DNS, NTP, SMTP, Telnet, VLAN, SSH2, DDNS
● Routing: Static, OSPFv2, BGP, RIPv1/v2
● Serial Port Protocols: Transparent TCP/UDP, Modbus RTU to TCP Gateway
Security
● VPN: IPsec, OpenVPN, Wireguard, GRE, DMVPN, L2TP, PPTP
● Firewall: Stateful firewall with DMZ, anti-DoS, filtering (IP/MAC/Domain), port mapping, access control
SDK & Customization
● SDK Languages: C, C++, Python, Java, Go, Node.js and more
● Available Resources: ~14 GB Flash, ~1.5 GB RAM for user applications
Management
● Configuration Interfaces: Web GUI, Command Line Interface (CLI), SMS
● Remote Management Platform: Robustel Cloud Manager Service (RCMS)
● RCMS Features:
● Centralized Monitoring & Control
● Fleet-wide Over-the-Air (OTA) updates for OS, firmware, and applications
● Secure Remote Access to device Web GUI/CLI and connected end-devices
Experience robust, cloud-native device management by registering at: https://rcms-cloud.robustel.net
Applications
● Smart manufacturing
● Smart building
● Smart energy
● Smart city
● Smart transportation
● Smart healthcare
Why Robustel?
● Industrial grade fanless design
● Up to 10 years hardware lifetime
● Up to 10 years long term support for Linux
● Up to 5 years hardware warranty
● Global certifications
● Robust connectivity
Ordering Information
● Order code: A009000730
● Package contains: 1 x EG5120, 1 x Din-Rail, 2 x cellular antennas, 2 x Wi-Fi antennas, 1 x GNSS antenna, 1 x global power adapter
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