NRF21540 EK Testinghttps://devzone.nordicsemi.com/f/nordic-q-a/118112/nrf21540-ek-testingHi, There were GPIO /SPI Interface headers are given on NRF21540 EK .now how we can connect RF input to TRX pin of NRF21540. please provide the Understanding of RF input. Regards, Irfanen-USTelligent Community 13Mon, 20 Jan 2025 13:53:14 GMTRE: NRF21540 EK Testinghttps://devzone.nordicsemi.com/thread/519089?ContentTypeID=1Mon, 20 Jan 2025 13:53:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d2c25fcf-9a1f-43ab-8185-56e713477c89Asbj&#248;rn<div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">The HW files with BOM for the kit is available here:</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"><a style="border:0;margin:0;padding:0;vertical-align:baseline;" href="https://nsscprodmedia.blob.core.windows.net/prod/software-and-other-downloads/dev-kits/nrf21540-db/nrf21540-development-bundle---hardware-files-2_0_0.zip">https://nsscprodmedia.blob.core.windows.net/prod/software-and-other-downloads/dev-kits/nrf21540-db/nrf21540-development-bundle---hardware-files-2_0_0.zip</a></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">The link is from this page here under download:<span>&nbsp;</span><a style="border:0;margin:0;padding:0;vertical-align:baseline;" href="https://www.nordicsemi.com/Products/Development-hardware/nRF21540-DB/Download?lang=en#infotabs">https://www.nordicsemi.com/Products/Development-hardware/nRF21540-DB/Download?lang=en#infotabs</a></div> <div style="background-color:inherit;border:0;color:inherit;margin:0;padding:0;vertical-align:baseline;"> <div style="border:0;color:inherit;margin:16px 0;max-width:800px;padding:0;vertical-align:baseline;width:600px;"> <table style="border:1px solid rgba(200, 200, 200, 1);border-radius:2px;padding:12px 36px 12px 12px;width:600px;"> <tbody> <tr style="border-spacing:0;" valign="top"> <td> <div style="border:0;color:inherit;height:120.065px;margin:0 12px 0 0;overflow:hidden;padding:0;vertical-align:baseline;width:240px;"><a style="border:0;margin:0;padding:0;vertical-align:baseline;" href="https://www.nordicsemi.com/Products/Development-hardware/nRF21540-DB/Download?lang=en#infotabs" rel="noopener noreferrer" target="_blank"></a></div> </td> <td style="width:288px;"> <div style="border:0;color:inherit;font-size:21px;font-style:inherit;font-weight:300;line-height:inherit;margin:0 8px 12px 0;padding:0;vertical-align:baseline;"><a style="border:0;margin:0;padding:0;text-decoration:none;vertical-align:baseline;" href="https://www.nordicsemi.com/Products/Development-hardware/nRF21540-DB/Download?lang=en#infotabs" rel="noopener noreferrer" target="_blank">nRF21540 DB - Downloads</a></div> <div style="border:0;color:rgba(102, 102, 102, 1);font-size:14px;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0 8px 12px 0;max-height:100px;overflow:hidden;padding:0;vertical-align:baseline;">Nordic Semiconductor</div> <div style="border:0;color:rgba(166, 166, 166, 1);font-size:14px;font-style:inherit;font-weight:400;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">www.nordicsemi.com</div> </td> </tr> </tbody> </table> <div style="border:0;color:inherit;cursor:pointer;height:32px;margin:0;padding:0;right:4px;text-align:center;top:4px;vertical-align:baseline;width:32px;" title="Remove link preview"><i style="display:block;font-family:controlIcons;font-size:17px;font-style:normal;font-weight:300;line-height:32px;margin:auto;"></i></div> </div> </div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">The connector details for ANT1 and ANT2 are also in the BOM under the production files folder in the HW description above.</div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">Best regards</div> <div style="border:0;color:rgba(0, 0, 0, 1);font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;">Asbjørn</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:inherit;font-weight:inherit;line-height:inherit;margin:0;padding:0;vertical-align:baseline;"></div><div style="clear:both;"></div>RE: NRF21540 EK Testinghttps://devzone.nordicsemi.com/thread/519087?ContentTypeID=1Mon, 20 Jan 2025 13:45:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4f8df029-c4e6-4d33-84ca-829935d0e56fIrfan Memon <p>Hi,</p> <p>Want to buy NRF21540 EK.&nbsp;EK having RF Input Connector. so how to connect With TRX Connector ?means give the cable name connect with TRX to other end. also give from which DK board we can connect TRX Input.</p> <p>Also guide provide cable details/antenna details which can be connect on ANt1and ANt2</p> <p>Regards,</p> <p>Irfan</p><div style="clear:both;"></div>RE: NRF21540 EK Testinghttps://devzone.nordicsemi.com/thread/519070?ContentTypeID=1Mon, 20 Jan 2025 13:02:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cf459385-d335-4994-9da2-afc96bc0b93bAsbj&#248;rn<div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Hello Ifran,</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"><a style="border:0;margin:0;padding:0;vertical-align:baseline;" href="https://docs.nordicsemi.com/bundle/ug_nrf21540_ek/page/UG/nrf21540_DK/hw_rf_measure.html">https://docs.nordicsemi.com/bundle/ug_nrf21540_ek/page/UG/nrf21540_DK/hw_rf_measure.html</a></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">You connect the RF from your radio to the TRX pin with a cable and then select which ANT1 or ANT2 pin you want to have the amplified signal out on. Maybe I&#39;m not understanding your question correctly, so please share what sort of kits you have and what you are trying to do.</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;"></div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Best regards</div> <div style="border:0;color:rgba(0, 0, 0, 1);direction:ltr;font-size:11pt;font-style:normal;font-weight:400;letter-spacing:normal;line-height:inherit;margin:0;padding:0;text-indent:0;text-transform:none;vertical-align:baseline;white-space:normal;">Asbjørn</div><div style="clear:both;"></div>RE: NRF21540 EK Testinghttps://devzone.nordicsemi.com/thread/519032?ContentTypeID=1Mon, 20 Jan 2025 10:47:13 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fa29fdef-c429-4219-bcd5-ca7c8ed87a76Irfan Memon <p>Hi,</p> <p>Please reply for above queries.</p> <p></p> <p>Regards,</p> <p>Irfan</p><div style="clear:both;"></div>