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An architecture diagram showing how a secure edge router provides ot security by using a firewall and network segmentation to stop ransomware.

How a Secure Edge Router Stops Ransomware from Reaching Your OT Network

How does a secure edge router stop ransomware from reaching your OT network? Learn how this edge router uses segmentation and a firewall to protect...

Robert Liao
Security diagram showing a secure edge router acting as a firewall, protecting a PLC's OPC UA port and creating a secure VPN to the cloud.

The OPC UA Edge Router: How to Bridge Legacy Devices to a Modern Standard

What is an OPC UA edge router ? Learn how a smart edge router bridges legacy devices (Modbus, S7) to the OPC UA standard for...

Robert Liao
A diagram showing the risk of exposing a Siemens PLC vs. the security of using an S7 edge router as a firewall and VPN gateway.

The S7 Edge Router: A Secure Guide to Siemens PLC Data & Remote Access

Need siemens plc remote access? Learn how an s7 edge router provides secure OT/IT connectivity and s7 data collection (S7 to MQTT). ...

Robert Liao
A diagram comparing the complex, high-cost TCO of a PC-based middleware stack to the simple, low-TCO solution of a single industrial edge router for Allen-Bradley connectivity.

The EtherNet/IP Edge Router: Connecting Allen-Bradley PLCs Securely

Need to connect Allen-Bradley PLCs? Learn how an EtherNet/IP edge router securely reads ControlLogix/CompactLogix tags for data collection, ...

Robert Liao
Infographic showing an edge router as a translator, converting confusing Modbus RTU/TCP data from PLCs into clean MQTT/JSON for the cloud.

The Modbus Edge Router: Your Guide to Connecting RTU/TCP to the Cloud

Need Modbus to MQTT? Learn how a modbus edge router handles modbus rtu to tcp and translates PLC data to the cloud. A modern edge...

Robert Liao
A graphic comparing a cheap edge router as a TCO

The Real TCO of an Edge Router: A 5-Year Cost vs. Price Analysis

A low edge router price is not low cost. This 5-year tco analysis edge router guide breaks down the real hidden costs of a cheap...

Robert Liao
A checklist showing the ideal use cases for the R5020 Lite (connectivity) vs. the EG5120 (compute) edge router.

Choosing Your Robustel Edge Router: R5020 Lite (5G) vs. EG5120 (Compute)

Choosing a Robustel edge router? This R5020 Lite vs EG5120 guide compares the 5g edge router (connectivity) to the edge computing router ...

Robert Liao
Diagram comparing a closed proprietary Moxa edge router to a Robustel edge router with an open Debian OS and Docker support, a key moxa alternative.

Moxa Edge Router Alternative? A Robustel vs Moxa Open-Platform Comparison

Looking for a Moxa edge router alternative? See how Robustel's open (Debian/Docker) industrial edge router compares to Moxa's on TCO & RCMS. ...

Robert Liao
A diagram comparing the closed, proprietary Sierra Wireless edge router to the open-platform Robustel edge router (Debian/Docker) as an alternative.

Sierra Wireless Edge Router Alternative: A Robustel IoT Gateway Comparison

Need a Sierra Wireless edge router alternative? Compare Robustel vs Sierra Wireless on TCO, our open edge router platform (Debian/Docker), and RCMS. ...

Robert Liao
A diagram comparing the closed, proprietary Cradlepoint edge router to the open-platform Robustel edge router, a key advantage for an alternative.

A High-Value Cradlepoint Edge Router Alternative: TCO & Feature Analysis

Need a Cradlepoint edge router alternative? Compare Robustel vs Cradlepoint on TCO, features, and the NetCloud subscription model. Find a better value. ...

Robert Liao
A graphic showing that a Cisco router can be over-engineered, while a Robustel edge router is the right-sized tool for industrial edge connectivity.

Looking for a Cisco Edge Router Alternative? A Robustel Comparison

Need a Cisco edge router alternative? See how a Robustel industrial edge router compares on TCO, simplicity (RCMS), and cellular connectivity. ...

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

Teltonika Edge Router Alternative? When Industrial Reliability Beats Low Price

Need a Teltonika edge router alternative? See how an industrial edge router from Robustel compares on TCO, reliability (eMMC), and certified security (IEC 62443). ...

Robert Liao
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