https://devzone.nordicsemi.com/f/nordic-q-a/94597/nrf5340-bluetooth-sig-testingDoes Nordic provide a DTM application for the nrf5340 which communicates over the USB interface as a COM class instead of using a UART interface? It&#39;s been brought to our attention that BLE certification testing will require a DTM application to be programmeden-USTelligent Community 13Wed, 07 Dec 2022 13:31:04 GMThttps://devzone.nordicsemi.com/thread/399434?ContentTypeID=1Wed, 07 Dec 2022 13:31:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:df4b0c7f-ef9d-4c6f-b372-85c74e9c8f01Bendik Heiskel<p>Hi Kurt,</p> <p>Support for USB CDC as the communication interface have recently been added to the DTM application. It is currently only available in the latest development version of the nRF Connect SDK:</p> <p><a href="https://github.com/nrfconnect/sdk-nrf/tree/main/samples/bluetooth/direct_test_mode#id93">https://github.com/nrfconnect/sdk-nrf/tree/main/samples/bluetooth/direct_test_mode#id93</a></p> <p>&nbsp;</p> <p>Best regards,</p> <p>Bendik</p> <p><code></code></p><div style="clear:both;"></div>