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A spec comparison graphic showing the EG5120 IoT Gateway's quad-core CPU, 2GB RAM, and NPU vs. the EG5100's single-core CPU and 512MB RAM.

Choosing a Robustel IoT Gateway: EG5120 vs. EG5100 Head-to-Head

Comparing EG5120 vs EG5100? This IoT Gateway head-to-head breaks down the real-world differences in CPU, RAM, AI (NPU), and TCO. Choose the right IoT Gateway....

Robert Liao
A hierarchy graphic comparing DIY, low-cost (Teltonika), and professional (Robustel) IoT Gateway solutions, highlighting Robustel as the best industrial alternative.

Teltonika IoT Gateway Alternative: When Reliability Beats Just "Low Price"

Need a Teltonika IoT Gateway alternative? See how Robustel's IoT Gateway line compares on industrial reliability, security (IEC 62443), and TCO. ...

Robert Liao
A diagram comparing the complex Advantech IoT Gateway ecosystem to the simple, direct path of a Robustel IoT Gateway as an advantech alternative.

An Advantech IoT Gateway Alternative: A Robustel Comparison

Need an Advantech IoT Gateway alternative? See how Robustel's open (Debian/Docker) IoT Gateway and integrated RCMS platform compare to Advantech's WISE. ...

Robert Liao
A Venn diagram comparing Ewon (remote access) and a generic IoT Gateway (data), showing Robustel as the hms ewon alternative that does both.

HMS Ewon IoT Gateway Alternative: A Better Solution for Remote Access?

Need an HMS Ewon alternative? See how a Robustel IoT Gateway with RobustVPN & RCMS compares to Ewon Talk2M for secure PLC remote access and...

Robert Liao
A fork in the road showing the choice between a proprietary Moxa IoT Gateway and an open-standard Robustel IoT Gateway as a Moxa alternative.

Looking for a Moxa IoT Gateway Alternative? A High-Value Comparison

Looking for a Moxa IoT Gateway alternative? See how Robustel's IoT Gateway line (EG-series) compares on openness (Docker/Debian), cloud (RCMS), & TCO. ...

Robert Liao
A comparison showing a messy DIY raspberry pi iot gateway versus a clean, integrated professional industrial IoT gateway with eMMC and RS485.

DIY vs. Professional IoT Gateway: Can a Raspberry Pi Really Survive Industry?

A diy iot gateway with a Raspberry Pi seems cheap. But can it replace a professional IoT Gateway? We compare TCO, reliability (SD card!), and...

Robert Liao
A diagram showing the Docker on an IoT Gateway metaphor, where code (Python, Node.js) is packaged in a container and deployed portably onto an IoT Gateway.

Docker on an IoT Gateway: Why Containers are the Future of Edge Computing

Why run Docker on an IoT Gateway? Learn how containers on an IoT Gateway provide security, portability, & flexibility for edge computing apps. ...

Robert Liao
A comparison of a Raspberry Pi (SD card, consumer temp) and an industrial IoT gateway (eMMC, wide temp), part of an IoT gateway buyer's guide.

The 2026 IoT Gateway Buyer's Guide: 5 Common Pits to Avoid

Our 2026 IoT Gateway buyer's guide. Avoid these 5 common pits: ignoring TCO, vendor lock-in, and bad security when choosing your industrial IoT gateway. ...

Robert Liao
A diagram explaining the MQTT publish/subscribe model, showing an IoT gateway (publisher) sending data to an MQTT broker, which then distributes it to subscribers.

MQTT and the IoT Gateway: The Perfect Pair for IIoT Communication

Why is MQTT the standard for IIoT? Learn how an IoT Gateway uses MQTT's pub/sub model for efficient, reliable data from PLCs (Modbus) to the...

Robert Liao
Architecture showing an IoT Gateway acting as an OPC UA server, polling legacy Modbus/S7 devices and providing a single, modern OPC UA interface for SCADA/MES.

OPC UA and the IoT Gateway: Bridging the IT/OT Divide with a Standard Protocol

OPC UA is the standard for industrial data. See how an IoT Gateway acts as a secure OPC UA gateway, bridging the IT/OT divide by...

Robert Liao
A TCO comparison showing how an IoT Gateway simplifies Allen-Bradley PLC data collection and reduces cost by eliminating expensive middleware servers.

Allen-Bradley EtherNet/IP: Integrating Your PLC with an IoT Gateway

Struggling with Allen-Bradley PLC data collection? This guide shows how an IoT Gateway bypasses middleware to read EtherNet/IP tags from ControlLogix/CompactLogix PLCs. ...

Robert Liao
A diagram comparing a closed proprietary IoT Gateway (a jail) to an open os iot gateway (a workshop for developers), highlighting the lack of freedom.

IoT Gateway Software: Why an Open OS (like Debian) is Critical for Developers

Why is an open os iot gateway critical? Learn how iot gateway software based on Debian (like RobustOS Pro) with Docker beats proprietary firmware for...

Robert Liao
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