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A diagram comparing a consumer edge product (plastic, SD card) failing in heat/cold to a rugged industrial edge product (metal, eMMC) that survives.

Understanding the "Industrial Edge": What Makes Edge Products Truly "Rugged"?

What makes industrial edge products truly "rugged"? This guide explains the key hardware that separates professional edge products from consumer toys. ...

Robert Liao
A software stack diagram for edge products, showing how AI applications run in Docker on an open Debian OS on top of the edge products' hardware (NPU).

What is Edge AI? The Role of NPUs in Edge Products

What is edge AI? Learn why edge computing products now include an NPU. See how NPUs in edge products enable low-latency AI inference. ...

Robert Liao
An infographic showing how modern edge products (like an IoT Gateway) converge the functions of an edge server (compute) and a gateway (translation).

Edge Server vs. IoT Gateway: A Guide to Choosing the Right Edge Products

Edge server vs iot gateway? Learn how edge products differ. An IoT gateway translates data; an edge server computes. But must you choose? ...

Robert Liao
A diagram comparing edge products: an edge router, which handles Layer 3 IP packets, to an IoT Gateway, which translates Layer 7 application data like Modbus.

IoT Gateway vs. Edge Routers : Which of These Edge Products Do You Need?

IoT Gateway vs. Edge Router: a key edge products choice. Learn the difference: an edge router connects networks (L3), while an IoT gateway translates protocols...

Robert Liao
A checklist for selecting smart edge products, highlighting key features like a powerful CPU, NPU, open OS (Debian), and Docker support.

Edge Products vs. Cloud Computing: Why Local Processing is a Must

Edge products vs cloud computing: Why not just use the cloud? Learn why local processing on edge products is essential for low latency, cost savings,...

Robert Liao
A diagram comparing a single wired link (which fails) to a Dual-SIM cellular edge router that provides 99.99% uptime via failover.

The Cellular Edge Router: Why 4G/5G is the New Standard for WAN Reliability

Why is a cellular edge router the new standard for WAN reliability? Learn how 4G/5G and Dual-SIM failover in an edge router beat wired connections....

Robert Liao
A hierarchy showing the types of edge products, from a basic edge router to an IoT Gateway, to an advanced edge compute product.

What Are Edge Products? The 2025 Ultimate Guide to the Network Edge

What are edge products? Our 2025 guide defines edge computing products (routers, gateways, servers) and their role in processing data at the network edge. ...

Robert Liao
A diagram comparing a consumer edge router (plastic, SD card) failing in heat/cold to a rugged industrial edge router (metal, eMMC) that survives.

"Rugged" vs. "Consumer": Why a Cheap Edge Router Will Fail in a Factory

A cheap, consumer edge router will fail in a factory. This guide compares a rugged **edge router** (wide-temp, eMMC) vs. consumer hardware to show why....

Robert Liao
A diagram showing the ROI of a 5G edge router by preventing costly AGV downtime caused by Wi-Fi or 4G LTE latency.

Building the Business Case for a 5G Edge Router (TCO vs. ROI)

Building a business case for 5G? This guide compares the 5g edge router TCO vs. ROI, showing how low latency and high speed justify the...

Robert Liao
A TCO comparison showing how a VPN edge router and RCMS (RobustVPN) replaces a $5,0TCO0 truck roll, helping a machine builder cut service costs.

Case Study: How a VPN Edge Router Slashed Our Machine Service Costs by 80%

A case study on how an industrial edge router with VPN slashed machine service costs by 80%. Learn how this edge router enables secure remote...

Robert Liao
A diagram showing how the IEC 62443 standard creates a chain of trust from the development process to the final secure edge router protecting an OT network.

Why Your Edge Router Must Be IEC 62443 Certified (A Buyer's Guide)

Why is IEC 62443 a must-have for an industrial edge router ? Learn how this standard ensures your edge router is secure by design. ...

Robert Liao
An infographic showing the key features of a secure edge router for a Zero Trust network, including IEC 62443 certification, a hardened OS, and RCMS.

The Edge Router in a Zero Trust Architecture: A Practical OT Guide

How does Zero Trust work in OT security? Learn how a secure edge router acts as the enforcement point for a Zero Trust architecture to...

Robert Liao
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