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A diagram showing a smart edge router making a fast, local decision, contrasting with a slow, cloud-dependent edge router.

The "Smart" Edge Router: What Is an Edge Router with Edge Computing?

What is an edge router with edge computing? Learn how a "smart" edge router (like the EG5120) runs Docker & AI locally to reduce latency...

Robert Liao
A diagram comparing traditional edge router VPN (all traffic to HQ) to an SD-WAN edge router (direct, application-aware cloud access).

The SD-WAN Edge Router: Is It the Right Choice for Your Branch Connectivity?

What is an sd-wan edge router? Learn how SD-WAN revolutionizes branch connectivity vs. traditional VPNs, and how a 5G edge router enables it. ...

Robert Liao
A comparison of a closed, proprietary edge router (a black box) versus an open, Docker-enabled edge router (an open platform).

Running Docker on an Edge Router: The Future of Edge Applications

Why run Docker on an edge router? Learn how containers on an edge router platform provide portability, security, and flexibility for modern edge applications. ...

Robert Liao
A defense-in-depth diagram showing how a secure edge router protects a PLC with a firewall, VPN, and central RCMS management.

A Deep Dive into the Industrial VPN Edge Router for Secure Remote Access

Need secure remote access for OT networks? Learn how an industrial vpn router (a secure edge router) protects PLCs and slashes service costs. ...

Robert Liao
An infographic showing the 4 key features of a professional 5G edge router: a modern 5G modem, industrial hardware, certified security, and fleet management.

The 5G Edge Router: How Cellular is Redefining Edge Connectivity

What is a 5g edge router? Learn how 5G cellular edge router technology delivers low-latency, high-bandwidth connectivity for industrial & enterprise needs. ...

Robert Liao
An infographic showing the 5 key functions of an industrial edge router: Connectivity (5G), Security (VPN), Translation (Modbus), Compute (Docker), and Management (RCMS).

The 5 Key Functions That Define a Modern Industrial Edge Router

What does an edge router do? Learn the 5 key functions of a modern industrial edge router, from security (VPN/Firewall) to edge computing & 5G...

Robert Liao
A graphic comparing an uncertified edge router to a Robustel edge router that is IEC 62443 certified, highlighting the proof of ot security.

The Secure Edge Router: Your First Line of Defense for IoT and OT Networks

Why is a secure edge router vital for ot security? Learn how an edge router acts as a firewall and VPN to protect your IoT...

Robert Liao
An architecture diagram showing how a secure edge router uses a firewall and VPN to protect an OT network, enabling safe OT/IT connectivity.

Why Your Business Needs an Edge Router for Secure OT/IT Connectivity

Need to connect your factory (OT) to your IT network? Learn why a secure edge router with a firewall & VPN is the essential bridge...

Robert Liao
A diagram showing how a modern edge router combines the functions of a router, a firewall, and a VPN endpoint into one device.

Edge Router vs. Firewall: Understanding Key Security Roles at the Edge

Edge router vs firewall: Are they the same? Learn how a modern edge routeris a stateful firewall, and why this edge router security is vital...

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

Edge Router vs. IoT Gateway: Are They the Same Thing?

Edge router vs IoT gateway: Are they the same? Learn the key difference. An edge router connects networks (L3); an IoT gateway translates protocols (L7)....

Robert Liao
A diagram showing the role of an edge router, acting as a secure border guard with a firewall and VPN between the trusted LAN and the untrusted WAN/Internet.

What Is an Edge Router? (And How Is It Different from a Core Router?)

What is an edge router and how does it differ from a core router? Learn the key functions of an edge router (security, WAN access)...

Robert Liao
A diagram showing the role of an edge router, acting as a secure border guard between the trusted internal LAN and the untrusted external WAN/Internet.

The Ultimate Guide to the Edge Router: Role, Features & Selection in 2025

What is an edge router? Our 2025 guide defines its role connecting your LAN to the WAN, edge router security features (VPN/Firewall), and how to...

Robert Liao
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