https://devzone.nordicsemi.com/f/nordic-q-a/28535/dtm-in-nrf5-sdk-v14-2-0-off-specHi, I have a question regarding DTM in nRF5 SDK v14.2.0. From what I understand Nordic is making use of the payload type &#39;11&#39; = Vendor Specific and is using the length parameter to encode information about the vendor specific functionality. Howeveren-USTelligent Community 13Tue, 19 Dec 2017 09:25:29 GMThttps://devzone.nordicsemi.com/thread/113012?ContentTypeID=1Tue, 19 Dec 2017 09:25:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5842691c-65a2-497b-aa7a-023821f7c0b9Paul<p>Oh I see - yes, indeed I was talking about the HCI Spec</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/113011?ContentTypeID=1Mon, 11 Dec 2017 12:05:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bc87f528-7f04-4fdd-93a5-0df9b2002a51run_ar<p>The implementation in the SDK is for UART DTM, see chapter 3.3.2 Commands, Could you be talking about the HCI spec?</p><div style="clear:both;"></div>