https://devzone.nordicsemi.com/f/nordic-q-a/71135/what-does-generic-access-profile-unknown-indicateHello, I am still learning about BLE devices and have a quick question regarding the Generic Access Profile. I understand that GAP defines 2 things: The discoverability of a device Things like scanning and advertising. The connection of aen-USTelligent Community 13Mon, 01 Feb 2021 14:14:58 GMThttps://devzone.nordicsemi.com/thread/292271?ContentTypeID=1Mon, 01 Feb 2021 14:14:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8f64d651-399d-46cb-a1c2-06d8590c3d3bEdvin<p>Hello,</p> <p>It just means that WireShark doesn&#39;t know what that service UUID is.&nbsp;I don&#39;t think the UUID list in the nRF Sniffer is very populated. Your assumptions in the bullet point list are correct.</p> <p>You probably already know this, but if you click on a packet in the trace, you can see more information on what&#39;s going on in each packet.</p> <p>Best regards,</p> <p>Edvin</p><div style="clear:both;"></div>