Advanced Bluetooth® Channel Sounding with Pre-Certified Wireless Modules
Company Overview
Ezurio (formerly Laird Connectivity) is a leading provider of wireless modules and RF solutions for industrial, IoT, and embedded applications. With a strong focus on performance, reliability, and regulatory compliance, Ezurio delivers pre-certified modules that help customers accelerate development and reduce risk in wireless product design.
Ezurio’s portfolio spans Bluetooth® Low Energy, Wi-Fi®, and multi-radio solutions, supported by development kits, reference designs, and professional RF expertise.
How Metirionic and Ezurio Work Together
Metirionic and Ezurio collaborate to deliver high-accuracy Bluetooth® Channel Sounding solutions by combining:
- Ezurio’s multi-antenna module designs and RF expertise
- Metirionic’s Advanced Ranging Stack (MARS) for robust distance and angle estimation
This partnership enables developers to evaluate and deploy Bluetooth Channel Sounding on pre-certified hardware platforms, significantly reducing integration effort while maintaining high ranging performance and repeatability.
The joint solution is well suited for applications such as:
- Asset tracking and localization
- Industrial automation and intralogistics
- Access control and proximity detection
- Real-time location systems (RTLS)
Relevant Products & Technologies
- BL54L15 Module Family
Bluetooth LE modules based on Nordic Semiconductor’s nRF54 series, designed for advanced Channel Sounding evaluation. - Development & Evaluation Platforms
Ezurio DVKs and reference platforms enabling rapid setup and testing. - Metirionic Advanced Ranging Stack (MARS)
Algorithms and tools for Bluetooth Channel Sounding, including distance estimation, multipath handling, and evaluation workflows.
Software and Firmware
The Metirionic Bluetooth® Channel Sounding Evaluation Kit for Ezurio hardware is now distributed through the official Metirionic GitHub organization.
Channel Sounding Firmware
The firmware supports compatible Ezurio evaluation hardware and is available as open source under the MIT License.
Firmware source code:
https://github.com/Metirionic/mars-cs-nrf54l
Latest firmware release:
https://github.com/Metirionic/mars-cs-nrf54l/releases/latest
For a reproducible evaluation setup, we currently recommend v1.7.1:
https://github.com/Metirionic/mars-cs-nrf54l/releases/download/v1.7.1/cs-ranging-firmware.zip
The repository contains complete source code, precompiled firmware images, flashing instructions, and documentation for supported hardware configurations.
PC Evaluation Application
The Metirionic PC Evaluation Application provides real-time visualization of Bluetooth® Channel Sounding measurements, data recording, and result export.
Download the Windows application:
The application requires an activation key (license) before it can be used. Interested customers can request an evaluation license by contacting contact@metirionic.com.
The project repository and future releases are available at:
https://github.com/Metirionic/mars-ranging-demo
Why Choose the Metirionic – Ezurio Solution?
- Pre-certified hardware platforms for faster time-to-market
- Proven RF and antenna design combined with advanced ranging algorithms
- Consistent evaluation workflows from lab testing to deployment
- Reduced development risk for Bluetooth Channel Sounding applications
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