https://devzone.nordicsemi.com/f/nordic-q-a/15829/radio-frequency-changeHello, I&#39;m developing proprietary radio protocol using nRF52 (not using softdevice) and would like to know if it is allowed to write NRF_RADIO-&gt;FREQUENCY register while radio is transmitting or receiving? What happens if NRF_RADIO-&gt;FREQUENCY is modifieden-USTelligent Community 13Thu, 18 Aug 2016 19:10:20 GMThttps://devzone.nordicsemi.com/thread/60434?ContentTypeID=1Thu, 18 Aug 2016 19:10:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9fe55ff7-84bd-40a6-9166-fe3f585cf31bCurtisHx<p>You need to disable the radio before you can change the frequency. You can write to the register all you want while the radio is enabled, but the data won&#39;t stick until the radio is disabled.</p> <p><a href="https://devzone.nordicsemi.com/question/51516/how-to-change-radio-frequency-without-disabling-the-radio/">devzone.nordicsemi.com/.../</a></p><div style="clear:both;"></div>