https://devzone.nordicsemi.com/f/nordic-q-a/86642/connecting-a-u-fl-antenna-slotHello! I have a situation where a chip is connected with an antenna on a u.FL slot, what I want to do is to remove that antenna from the chip and connect my nrf52840 to that u.FL slot instead so I can monitor what the chip is sending to the antennaen-USTelligent Community 13Wed, 06 Apr 2022 12:32:13 GMThttps://devzone.nordicsemi.com/thread/362080?ContentTypeID=1Wed, 06 Apr 2022 12:32:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f5db8b46-23e8-4aac-9f16-42db6f354d6aketiljo<p>Not sure what you want to do. Do you want to measure the RF signal with a spectrum analyzer? In that case, you can use the radio test example to setup the radio:&nbsp;<a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/nrf_radio_test_example.html">https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/nrf_radio_test_example.html</a>&nbsp;or for NCS:&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/samples/peripheral/radio_test/README.html">https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/samples/peripheral/radio_test/README.html</a></p><div style="clear:both;"></div>