https://devzone.nordicsemi.com/f/nordic-q-a/70622/nrf-802-15-4-sniffer-dongle-doesn-t-sniff-custom-protocolDear All, I&#39;m using nrf52840-DK for development purpose of IEEE 802.15.4 standard. One is used as transmitter, while other as receiver. I&#39;m using nrf_radio_driver inside SDK for Thread and Zigbee. I would like to use a nrf52840-dongle for sniffing anden-USTelligent Community 13Wed, 20 Jan 2021 08:37:49 GMThttps://devzone.nordicsemi.com/thread/290141?ContentTypeID=1Wed, 20 Jan 2021 08:37:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3476af38-fb99-4633-849b-acc4222b149cKenneth<p>Maybe you can set a breakpoint when calling <a href="https://infocenter.nordicsemi.com/topic/ps_nrf52840/radio.html?cp=4_0_0_5_19_13_0#register.TASKS_TXEN">TASKS_TXEN</a>&nbsp;when using the example as-is and your stack, and compare the various register in the RADIO for any apparent difference, if they are identical, then it must be the packet content you must look at. Could be some bits that should be specific value.</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/290055?ContentTypeID=1Tue, 19 Jan 2021 15:44:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7e6742ee-4948-4162-a81a-02d6867287eeElia_pell<p>I forgot to mention it: yes, of course the data is correctly exchanged between tx and rx.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/290052?ContentTypeID=1Tue, 19 Jan 2021 15:41:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5f624ccc-9f15-4dbc-a3fb-b6f224dbfe6eKenneth[quote user=""]What I notice, if that I use the example inside the SDK the sniffer just works perfectly, while with my stack it doesn&#39;t show anything: what could be the reason?[/quote] <p>Does your stack work end-to-end? Just trying to figure out of the problem is that the packet is not correctly formatted to be received by the sniffer or if the problem is that there is no data sent at all.</p><div style="clear:both;"></div>