Question regarding BLE v5.1 PDUhttps://devzone.nordicsemi.com/f/nordic-q-a/64594/question-regarding-ble-v5-1-pduHi team, My customer is evaluating BLE v5.1 technology and they find on the BLE v5.1 spec-&gt; Chapter 6-&gt; Part B-&gt;2.3.1 published by SIG. Seems that for CTE, it can only be advertised on extended adv channel, rather than the main channel, is that righten-USTelligent Community 13Fri, 07 Aug 2020 08:13:53 GMTRE: Question regarding BLE v5.1 PDUhttps://devzone.nordicsemi.com/thread/263537?ContentTypeID=1Fri, 07 Aug 2020 08:13:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fe9c790a-7eeb-4bc6-a7fc-e37e7fc73dadSimonr<p>Hi Leon</p> <p>Yes, this is correct. For advertising channel PDUs, the CTEInfo Flag replaces the CP bit. The CTEInfo flag is within the extended header flag field of the advertising PDUs that employ the common extended advertising payload format. This is described in the&nbsp;<strong>Advertising channel PDU&nbsp;</strong>section of the<a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf52811%2Fradio.html&amp;&amp;anchor=concept_dfe"> RADIO chapter in the nRF52811/833 PS.</a></p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>