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Screenshot of SecureCRT showing serial port settings for AT commands.

How to use AT Over Com for Industrial Routers

Use AT commands on Robustel industrial routers to debug, send SMS alerts, and control your cellular modem via the serial port for enhanced functionality. ...

Anson Feng
An illustration showing the integration challenge between a traditional KNX building automation system and the modern world of IoT, cloud, and mobile apps.

Unlocking Smart Buildings: Deploy a KNX IoT Gateway on the Robustel EG5120

Unlock seamless smart building automation. Learn how the Robustel EG5120, a powerful KNX IoT Gateway, runs the KNX IoT API Server via Docker for easy...

YiHai Zheng
A flowchart illustrating how an event on an industrial LTE router triggers an SMS and email alert notification.

LTE Router Alert Notifications: Remote Monitoring for IoT

Configure your industrial LTE router to send automated SMS/email alerts. This guide on event-triggered notifications prevents downtime and cuts costs. ...

Anson Feng
This is where the power of AT over Telnet comes in. It’s a feature that allows you to manage a router's cellular module remotely. You can do this by using a Telnet client to connect to the router's AT port and send commands as if you were sitting right in

Remote Control: Using AT over Telnet for Your Industrial Router

Use AT over Telnet to control your router’s cellular module remotely, enabling SMS alerts and automated M2M tasks for reliable, unattended operations. ...

Anson Feng
A diagram showing an SMS IoT Router collecting alarms from a PLC and sensor, then sending an SMS alert to an engineer and forwarding data to the cloud.

The SMS IoT Router: Your Ultimate Lifeline for Industrial IoT

Discover how an SMS IoT Router provides reliable remote control and alerts for industrial assets when IP networks fail. The ultimate M2M lifeline. ...

Anson Feng
An infographic cheat sheet of key RCMS CLI access commands, categorized into diagnostics, configuration, file operations, and cellular control.

RobustLink - CLI Access

Unlock granular control with RCMS CLI access. Securely manage and troubleshoot your remote Robustel routers from a web-based command line. power tool for admins ...

Robert Liao
An operations manager transitioning from chaotic manual IoT device management to streamlined control using the RCMS platform.

Streamline Your IoT Fleet: An Introduction to the Robustel Cloud Manager Service (RCMS)

Author: Robert Liao, Technical Support Engineer Robert Liao is an IoT Technical Support Engineer at Robustel with hands-on experience in industrial networking and edge connectivity....

Robert Liao
An infographic showing how an industrial cellular router provides connectivity for a wide range of smart grid and utility applications, from substations to smart meters.

Industrial Cellular Router for Smart Grid & Utility Applications

Discover why an industrial cellular router is essential for smart grid and utility applications. A guide to secure and reliable connectivity for SCADA and more....

Robert Liao
An overview of in-vehicle connectivity applications enabled by an industrial router, including GPS tracking, passenger Wi-Fi, and telematics.

A Guide to In-Vehicle Connectivity for Logistics and Public Transit

The definitive guide to in-vehicle connectivity. Learn about the essential hardware and software features for reliable logistics and public transit solutions. ...

Robert Liao
An infographic showing how a cellular router for POS backup prevents lost sales during a primary internet outage.

How to Use a Cellular Router for Retail & POS Network Backup

Learn how to use a cellular router for POS network backup and prevent lost sales. A step-by-step guide to internet failover for your retail business....

Robert Liao
An infographic comparing the slow, multi-month timeline of manual IoT deployment to the fast, multi-day timeline enabled by Zero-Touch Provisioning.

How Zero-Touch Provisioning Reduces Fleet Deployment Time from Months to Days

Learn what Zero-Touch Provisioning is and how it reduces large-scale IoT deployment time from months to days by automating device configuration. ...

Robert Liao
An iceberg infographic illustrating the Total Cost of Ownership (TCO) for an industrial router, showing the hidden operational costs are much larger than the initial purchase price.

The TCO of Industrial Routers: A Buyer's Guide to True Cost

A buyer's guide to the Total Cost of Ownership (TCO) for industrial routers. Learn why the purchase price is only a fraction of the true...

Robert Liao
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