52840 Problem confirmationhttps://test-devzone.nordicsemi.com/f/nordic-q-a/87804/52840-problem-confirmationWhen 52840 uses 2.4G protocol for transmission, can SPI be used to control UWB chip transmission at the same time?Do they use the same antenna?en-USTelligent Community 13 Non-ProductionWed, 11 May 2022 11:54:48 GMTRE: 52840 Problem confirmationhttps://test-devzone.nordicsemi.com/thread/367393?ContentTypeID=1Wed, 11 May 2022 11:54:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6327269c-a1c2-433a-a4de-754aa5b4169fuser77062<p>Hello,&nbsp;</p> [quote user=""]can SPI be used to control UWB chip transmission at the same time?[/quote] <p>Yes, if this is an external device with it&#39;s own antenna, then it should be possible.</p> [quote user=""]Do they use the same antenna?[/quote] <p>No, different frequencies will not allow same antenna.</p><div style="clear:both;"></div>