Welcome to the nRF Connect SDK!


nRF Connect SDK v2.2.99-dev3 is a development tag that replaces nRF Connect SDK v2.2.99-dev1 and v2.2.99-dev2. nRF Connect SDK v2.2.99-dev3 will be replaced by v2.3.0 in the future.

The development tag contains the following major updates:

Wi-Fi® features:

  • MAC address provisioning from host

  • Regulatory domain configuration and IEEE 802.11d support

  • Updated TX power settings


For other changes that are included in this development tag, see Changelog for nRF Connect SDK v2.2.99-dev3.

The nRF Connect SDK is where you begin building low-power wireless applications with Nordic Semiconductor nRF52, nRF53, and nRF91 Series devices.

The SDK contains optimized cellular IoT (LTE-M and NB-IoT), Bluetooth LE, Thread, Zigbee, and Bluetooth mesh stacks, a range of applications, samples, and reference implementations, as well as a full suite of drivers for Nordic Semiconductor’s devices. The nRF Connect SDK includes the Zephyr™ real-time operating system (RTOS), which is built for connected low power products.

To access different versions of the nRF Connect SDK documentation, use the version drop-down in the top right corner. A “99” at the end of the version number of this documentation indicates continuous updates on the main branch since the previous major.minor release.