https://devzone.nordicsemi.com/f/nordic-q-a/58906/erratum-228-radio-no-interrupt-is-generated-for-sync-event-nrf52840Hi the latest Errata sheet of the nRF52840 lists number [228] RADIO: No interrupt is generated for SYNC event. Checking it, I was a little bit surprised finding actually nothing about a SYNC event neither in the radio section of the product specificationen-USTelligent Community 13Thu, 12 Mar 2020 12:21:26 GMThttps://devzone.nordicsemi.com/thread/239520?ContentTypeID=1Thu, 12 Mar 2020 12:21:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:88da954e-567b-4818-bc09-af78d7ac08e8Susheel Nuguru<p>The SDK examples and the BLE softdevice does not use this feature as of now. So you do not need to worry about it as per the software deliveries done by us until now. We might use this feature in the future, but if we do, we will include the workaround.</p><div style="clear:both;"></div>