Long-range LE Audio dongle
BMD100
Wireless dongle designed for LE Audio and Auracast™ applications. A proven reference platform built around the Nordic nRF5340 with the nRF21540 RF front-end for extended range
- Nordic nRF5340 SoC + nRF21540 RF front-end
- Bluetooth® LE 5.4, Thread®, Matter, Zigbee®, LE Audio, Bluetooth® Mesh
- Up to 4 km range in ideal outdoor conditions
- USB-C connection, plug-and-play
- Native support in Zephyr
- 2.4GHz whip antenna included
Interactive
Explore the board in 3D
A true-to-life model of the assembled BMD100 board. Drag to rotate, scroll to zoom, and inspect the connectors and components from any angle.
Overview
The BMD100 is a high-performance wireless dongle designed for LE Audio and Auracast™ applications. Built around the Nordic nRF5340 SoC and the nRF21540 RF front-end, it reaches up to 4 km of range in ideal outdoor conditions.
It's intended for engineers and product teams that need a known-good wireless platform, whether for evaluating range performance, prototyping a connected product, or shipping inside a finished device.
The firmware is built on the nRF Connect SDK and Zephyr RTOS, a flexible ecosystem with leading support for the LE Audio standard.
Applications
- LE Audio & Auracast™
- Network Monitor
- Long-range Bluetooth dongle
- Matter controller
Technical Details
Hardware
- SoC
- Nordic nRF5340 (dual-core Arm Cortex-M33)
- RF front-end
- Nordic nRF21540
- Connectors
- USB-C
- Antenna
- SMA external 2.4GHz antenna
- Programming
- TagConnect TC2030 SWD Footprint
Wireless
- Protocols
- Bluetooth® LE 5.4, Thread®, Matter, Zigbee®, LE Audio, Bluetooth® Mesh
- Tx Power
- -20 to +21 dBm
- Range
- Up to 4 km (ideal outdoor conditions)
Software
- SDK
- nRF Connect SDK / Zephyr RTOS
- Libraries
- Bitmask Zephyr Module
- Firmware updates
- USB DFU, BLE OTA
Physical
- Dimensions
- 17.8 mm × 61.5 mm × 6.5 mm (excluding antenna)
- Weight
- 5.5 g
- Operating temperature
- −20 °C to +70 °C
Resources
Datasheets, firmware, and example code for the BMD100.
Other products
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