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Small black USB dongle with LED and button

SMUGDESK

SMUGDESK Nordic nRF52840-Dongle AB01 Multi-Protocol USB Adapter

SKU CH-TD6T-ECXT8

A USB dongle powered by the Nordic nRF52840 SoC for multi-protocol wireless development and sniffing supporting Bluetooth 5, Zigbee 3.0, Thread and ANT

  • Multi-protocol IoT development with Bluetooth 5, Zigbee, Thread and ANT support
  • 64 MHz ARM Cortex-M4F processor with 1 MB Flash and 256 KB RAM for firmware tasks
  • Hardware AES-128 encryption via Cryptocell 310 secures wireless data transmission
  • USB 2.0 plug-and-play operation on Windows, macOS and Linux with nRF Connect toolchain
  • Onboard RGB LED, user button and GPIO pins enable real-time debugging and sniffing

Development Tool

The SMUGDESK Nordic nRF52840-Dongle AB01 is a USB evaluation dongle built around the Nordic nRF52840 SoC for embedded engineers and IoT developers. It targets wireless protocol testing, firmware development and signal sniffing work across multiple 2.4 GHz standards. The device provides a compact platform for debugging Bluetooth 5.0 Low Energy, Bluetooth Mesh, Zigbee 3.0, Thread and ANT+ implementations. It is not suited for users needing a simple consumer Bluetooth adapter or general-purpose wireless connectivity.

Build Integration

The dongle uses a standard USB 2.0 plug for direct connection to Windows, macOS or Linux computers without extra cables or power. It integrates with the Nordic nRF Connect Desktop toolchain for development and debugging workflows. Onboard programmable RGB LED, a physical user button and reserved GPIO expansion pins support custom test fixtures and hardware interaction. The design frees up bench space by replacing multiple single-protocol adapters with one multi-protocol unit.

Sustained Operation

The nRF52840 Cortex-M4F processor runs at 64 MHz with 1 MB Flash and 256 KB RAM to handle continuous packet capture and protocol analysis sessions. Cryptocell 310 hardware encryption provides AES-128 protection for data streams during extended monitoring. USB DFU firmware upgrade support allows in-field updates without removing the dongle from the test setup. The ultra-low-power architecture maintains stable RF performance during long-duration sniffing and debugging tasks.

Highlights

  • Multi-protocol IoT development with Bluetooth 5, Zigbee, Thread and ANT support
  • 64 MHz ARM Cortex-M4F processor with 1 MB Flash and 256 KB RAM for firmware tasks
  • Hardware AES-128 encryption via Cryptocell 310 secures wireless data transmission
  • USB 2.0 plug-and-play operation on Windows, macOS and Linux with nRF Connect toolchain
  • Onboard RGB LED, user button and GPIO pins enable real-time debugging and sniffing

Specifications

No published specifications for this item yet.

Questions about this item

How long can the nRF52840 SoC sustain continuous packet capture before its 1 MB flash or 256 KB RAM fills up?

The dongle has 1 MB on-chip flash and 256 KB RAM; sustained capture duration depends on traffic volume and firmware buffer management, not a fixed hardware limit.

Does the USB 2.0-powered dongle stay cool and silent during all-day Bluetooth 5 or Zigbee 3.0 sniffing sessions?

The ultra-low-power nRF52840 draws only milliwatts from the USB 2.0 port, so it remains cool and fan-less during continuous 2.4 GHz protocol work.

Which host software must already be installed for the AB01 to work with nRF Connect Desktop on Windows, macOS or Linux?

nRF Connect Desktop itself is the required host application; the dongle uses standard USB 2.0 CDC/ACM drivers built into each OS.

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