Tag: XR90

AirLink OS 4.1.30 Upgrade Issue for Semtech (Sierra Wireless) Routers

In a recent technical bulletin released on March 4, 2024, Semtech’s Enterprise Solutions Product Management has highlighted a critical issue related to the upgrade process to AirLink OS 4.1.30. Users of Airlink RX55, XR80, and XR90 routers, particularly those who made specific configuration changes on their routers, may face a substantial challenge that could result in a loss of cellular connection.

Issue Details

The affected routers are those that had any SIMs installed while running AirLink OS 3.0 or later. Changes made to various settings, such as IPv4 and IPv6 settings, APN mode, authentication protocol settings, preferred radio technology setting, roaming settings, MTU settings, and SIM PIN settings, will revert to their default values upon upgrading to AirLink OS 4.1.30. This unexpected behavior may lead to a loss of cellular connection, disrupting crucial connectivity for users relying on Semtech routers.

Recommended Actions

Semtech is actively working on addressing this critical issue by developing a new AirLink OS 4.1.x release. As an immediate response, AirLink OS 4.1.30 has been removed from ALMS (AirLink Management Service) and the Source.

  • Users are strongly advised to upgrade to AirLink OS 5.0 if they are planning to perform an upgrade.
  • If an upgrade to AirLink OS 4.1 is necessary, it is recommended to hold off until a new version is released that addresses this specific upgrade issue.

It’s important to note that if you have already upgraded to AirLink OS 4.1.30 and your system is operating as expected, no further action is required at this time.

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Sierra Wireless Investigates Issue with 5G Band

Sierra Wireless, a Semtech company, released a statement late yesterday regarding an issue found on some AirLink devices. Take a look at the details below:

We are investigating an issue where MG90 5G single-radio North American and XR80/90 5G North American routers may experience permanent and irreversible connectivity issues on 5G band n41 used by T-Mobile and Rogers. For the complete details, refer to the Bulletin located on The Source here:

This bulletin provides steps that our customers using our 5G routers on T-Mobile and Rogers must take to ensure their routers remain operable until new firmware is released.

The details are:

  • 5G band n41 is used by T-Mobile and Rogers, therefore this issue only impacts 5G routers operating on T-Mobile and Rogers.
  • n41 may experience permanent and irreversible damage. The occurrence of the issue can be prevented by following the steps in the bulletin.

Please refer to the Bulletin for the details.

Corrective MGOS and AIRLINK OS firmware releases will be available in the May 2023 timeframe.

We will provide additional guidance when we have details to share about the upcoming MGOS/AIRLINK OS releases.

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When is Sierra Wireless AirLink 4.0 Available?

Sierra Wireless has just announced the General Availability of AirLink® OS 4.0 for XR90, XR80 and RX55 AirLink® routers.

This is a major release which includes new features and enhancements including:

  • Support for RX55 and RX55 Wi-Fi Plus variants
  • 3rd party Captive Portal support for integration with CoovaChilli based Wi-Fi service providers
  • Wi-Fi Geolocation to automatically identify Wi-Fi country codes, offering regulatory compliance with reduced configuration
  • Network diagnostic tools (ping, traceroute, iPerf and IP capture) available via ALMS for remote troubleshooting
  • Support for Container registries to remotely deploy container applications (Beta feature)
  • GRE tunnels and NHRP support to enable simple DMVPN configurations for private networks
  • Enriched telemetry with flexible reporting and MQTT format options
  • Improved configuration and templating for fleet-wide SIM, multi-APN and radio module firmware management
  • Dashboard enhancements to display multiple APNs, VPNs and WAN status for quick view of router and network status

In addition, this release also includes general stability improvements and addresses a range of field-reported issues. It is recommended that all customers upgrade their XR and RX routers to AirLink® OS 4.0.

For more information, please refer to the release notes or contact our team via phone, email, or chat!

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T-Mobile Certifies the Sierra Wireless XR Series Routers on the 5G Network

Sierra Wireless, a world leading IoT solutions provider, announced today that its AirLink® XR Series cellular routers architected for 5G performance, are certified to operate on T-Mobile’s 5G network – the largest, fastest and most reliable in the United States. This includes the models XR80 and XR90. 

The supercharged AirLink XR90 is purpose-built for public safety and transit with available dual-5G cellular radios and dual independent 4×4 MIMO Wi-Fi 6 antennas. It is the highest performing, most flexible router in the Sierra portfolio. The AirLink XR80 is optimized for fixed and mobile applications. The available dual-5G cellular radio and 5X4 MIMO Wi-Fi 6 delivers flexibility for customized configurations. 

These solutions deliver the full performance of 5G across any network (5G, Wi-Fi 6, Ethernet) enabling customers to leverage the higher data speeds and lower latency of 5G, required for real-time video streaming in mission-critical and high performance business-critical environments. Security is designed into the routers with device to cloud security including secure boot, cryptographic keys, and support for WPA-3. Each model can accommodate expansion modules and are purpose-built for rugged environments. 

In addition, both are fully-supported, out-of-the box solutions complete with integrated device management, advanced mobility reporting and 24/7 technical support. AirLink Connection Manager delivers complete VPN security and their AirLink Professional Services maximizes your system performance and customer satisfaction. 

Yet another added benefit to your remote access and out of band management – an embedded LPWA cellular radio, connected through Sierra Wireless Global Connectivity, provides an always-on link to ALMS (AirLink Management System (ALMS), is a cloud-based management platform which includes remote device management and mobility-focused reporting through AirLink Premium). This unique capability ensures the ongoing operational success of these 5G deployments.

“The XR Series is our fastest, most intelligent, flexible, and secure router yet,” said Tom Mueller, Vice President of Product Enterprise Networking, Sierra Wireless. “The XR Series routers are purpose-built for advanced, mission and business-critical 5G applications. With a passively cooled industrial design, future-proof flexibility offering single and dual 5G as well as Wi-Fi 6 radio options, always-on connectivity, rapid response, and strong multi-layered end-to-end security, they boast best-in-class reliability. When you combine this performance with T-Mobile’s industry-leading 5G network , it’s easy to see why you should choose Sierra Wireless to enable your next-generation applications.”

For more information about these products, contact your friends at 5Gstore!

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