https://devzone.nordicsemi.com/f/nordic-q-a/105734/how-to-capture-att-or-gatt-packets-with-nrf52840-dongle-and-wiresharkI use nRF52840 dongle and Wireshark to capture Bluetooth packets from nRF5340 DK. But I can&#39;t see any ATT or GATT packets. Could you kindly let me know how to capture ATT or GATT packets?en-USTelligent Community 13Thu, 16 Nov 2023 09:58:10 GMThttps://devzone.nordicsemi.com/thread/455923?ContentTypeID=1Thu, 16 Nov 2023 09:58:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:785b2d35-c9d1-4238-acf4-fa5567d95f19Hung Bui<p>Hi,</p> <p>Please check our nRF Sniffer guide in our Bluetooth Fundamental Academy course :&nbsp;<a href="https://academy.nordicsemi.com/courses/bluetooth-low-energy-fundamentals/">https://academy.nordicsemi.com/courses/bluetooth-low-energy-fundamentals/</a></p> <p>Make sure you select the device in the Device list drop down list to be able to follow the connection to see GATT packets.</p><div style="clear:both;"></div>