NRF52840 MDK USB Dongle – A small, low-cost USB Dongle designed with nRF52840 (github.com)

nRF52840 MDK USB Dongle is a small, low-cost USB Dongle that supports Bluetooth 5.4, Bluetooth mesh, Thread, Zigbee, 802.15.4, ANT and 2.4 GHz proprietary protocols. It's shipped with the UF2 Bootloader, supports Bluetooth LE/802.15.4 packet sniffer with Wireshark, and has PCBA and w/Case options to meet various scenarios.