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, 802.15.4, Thread, 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
£49
Excluding VAT and shipping
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
What it is
The BMD100 is a high-performance wireless dongle designed with LE Audio & Auracast™ applications in mind. Built around the Nordic nRF5340 SoC and the nRF21540 RF front-end, it delivers 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 / Zephyr RTOS, a modern and flexible software ecosystem with frontier support for the LE Audio standard.
Specifications
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, 802.15.4, Thread, 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
Downloads
Datasheets, firmware, and example code for the BMD100.
Need a custom variant or volume order?
Get in touch if you'd like custom firmware, a tailored hardware variant, or a volume quote.