Features
Pre-built OpenThread NCP Firmware support
OpenThread Border Router support
Thread Network Sniffer with Wireshark

Hardware Specification
Nordic nRF52840 System-on-Chip
ARM Cortex-M4F processor optimized for ultra-low power operation

ARM TrustZone Cryptocell 310 security subsystem
1 MB FLASH and 256 kB RAM
Up to 12 GPIOs available via headers
User programmable Button and RGB LED
On-board 2.4G chip antenna
3.3V regulator with 1A peak current output
VBUS & VIN Power-Path Management
Convenient USB dongle form factor
Breadboard-friendly with dual 10-Pin headers
Measures 1.65" x 0.7" x 0.16" (42mm x 18mm x 4mm) without headers soldered in

Kit Contains
1x nRF52840 Micro Dev Kit USB Dongle
2x 10 Pin Header