https://devzone.nordicsemi.com/f/nordic-q-a/85943/nrf5-sdk-with-nrf21540-dkHello, I am currently trying to add a FEM (nRF21540) to an already existing BLE project that is using nRF5 SDK. For that purpose I ordered the nRF21540 DK that is using the nRF52840. I tried using GPIOs to control the module but I understood thaten-USTelligent Community 13Fri, 18 Mar 2022 09:46:08 GMThttps://devzone.nordicsemi.com/thread/358807?ContentTypeID=1Fri, 18 Mar 2022 09:46:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:afe15ea0-7c1e-41f9-994d-51790b4a2cbfKenneth<p>Sorry, there is no plans to implement support for the nRF21540 in the nRF5 SDK, in general you may find this informative:<br /><a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/nrf-connect-sdk-and-nrf5-sdk-statement">https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/nrf-connect-sdk-and-nrf5-sdk-statement</a>&nbsp;</p><div style="clear:both;"></div>