https://devzone.nordicsemi.com/f/nordic-q-a/94993/nrf52840-radio-blocking-testHi, General information: nRF52840 SoC Our own PCB’s with inverted F-antenna nRF Connect SDK v1.8.0 We are in the middle of approval testing our product. We have supplied the test house with two units each flashed with the C:\v1.8.0\nrf\samplesen-USTelligent Community 13Mon, 19 Dec 2022 11:52:42 GMThttps://devzone.nordicsemi.com/thread/401232?ContentTypeID=1Mon, 19 Dec 2022 11:52:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:626ebd8f-0b3f-438b-953a-d3b873df886dSimonr<p>Hi Annette</p> <p>An RX blocking test is much easier to do with <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/samples/bluetooth/direct_test_mode/README.html">DTM </a>than with the radio_test sample. This project is located in the path:&nbsp;<strong>...\&lt;NCS_VERSION&gt;\nrf\samples\bluetooth\direct_test_mode</strong></p> <p>The DTM project already have built in functionality to do PER (packet error rate) measurements. Either with a BLE tester like a CMW, or by using another DK and the DTM test application for<a href="https://www.nordicsemi.com/Products/Development-tools/nrf-connect-for-desktop"> nRF Connect for Desktop.</a></p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>