https://devzone.nordicsemi.com/f/nordic-q-a/91895/nrf8021540-usb-dongle-python-switching-channel-bugHi, I am using a simple python script to test packet sniffing: import time import subprocess from nrf802154_sniffer import Nrf802154Sniffer sniffer = Nrf802154Sniffer() for chan in range (1, 26): print (&#39;chan: &#39; + str(chan)) print (&#39;starting Threaden-USTelligent Community 13Wed, 14 Sep 2022 07:49:19 GMThttps://devzone.nordicsemi.com/thread/386101?ContentTypeID=1Wed, 14 Sep 2022 07:49:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9956788e-f1a7-4075-b0bb-3451c1ebf521Marte Myrvold<p>Hi Mart,</p> <p>Great! I am glad to hear that you managed to change the script to not need Wireshark after all&nbsp;<span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f642.svg" title="Slight smile">&#x1f642;</span></p> <p>Best regards,</p> <p>Marte</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/386045?ContentTypeID=1Tue, 13 Sep 2022 16:13:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:68a41e26-6cf9-4086-88b2-3121be4fc40anrfmh<p>Hi Marte!</p> <p>Thanks, that helped a lot :)!&nbsp; All is working fine now. For your information: I adapted the Nordic Python script a bit, now I can parse and write to a database without Wireshark and any Wireshark related tools.&nbsp;</p> <p>Best regards,</p> <p></p> <p>Mart</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/386002?ContentTypeID=1Tue, 13 Sep 2022 13:50:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:88a02a55-d1d5-47cc-b641-d75399bfded7Marte Myrvold<p>Hi Mart,</p> <p>Only channels 11-26 are used by 802.15.4, so you should not use any other channels. I tested your script and changed the range to (11,26) instead, and it worked.</p> <p>Best regards,</p> <p>Marte</p><div style="clear:both;"></div>