The Nordic Semiconductor nRF52840 series dongle is an affordable, versatile USB development dongle for Bluetooth, low energy, ANT, 802.15.4 and user-proprietary 2.4GHz applications using the nRF52840 SoC. This dongle is the perfect target hardware for use with nRF connect for desktop support all the short-range wireless standards used with Nordic devices. The dongle is designed to be used as a wireless HW device together with nRF connect for desktop. It provides access to a subset of the GPIO pins through castellation on the edge of the board.

Bluetooth 5 ready multiprotocol radio:
2Mbps
data rates
Long Range
Advertising Extensions
Channel Selection Algorithm #2 (CSA #2)
IEEE 802.15.4 radio support: Thread, Zigbee
Arm CortexTM-M4 with floating point support
DSP instruction set
On-board USB bootloader with button less support
Arm CryptoCell CC310 cryptographic accelerator
15 GPIO available via edge castellation
USB interface direct to nRF52840 SoC
Integrated 2.4GHz PCB antenna
1 user-programmable button
1 user-programmable RGB LED
1 user-programmable LED
1.7V to 5.5V operation from USB or external

Advanced personal fitness devices
Connected health
Connected home sensors and controllers
Industrial IoT sensors and controllers
Advanced remote controls
Gaming controllers
Virtual/Augmented reality applications