https://devzone.nordicsemi.com/f/nordic-q-a/93631/nrf24l01-communication-loss-problemThe chip I am using is the nRF24L01. Not the nRF24L01 P . One module is Rx-receiver and two modules are Tx-transmitter. The test is carried out with one Rx module and one Tx module. On the Tx-transmitter, Rx-receiver, the antenna is drawn in aen-USTelligent Community 13Mon, 07 Nov 2022 10:08:41 GMThttps://devzone.nordicsemi.com/thread/394361?ContentTypeID=1Mon, 07 Nov 2022 10:08:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3bdfb1c3-85f0-47f6-97d9-4878e8b13150Kenneth<p>Hi,</p> <p>The nRF24 is not recommended for new designs, see:<br /><a href="https://www.nordicsemi.com/products/nrf24-series">https://www.nordicsemi.com/products/nrf24-series</a></p> <p>Considering that you have communication, but the range is very poor. Then everything suggest that the problem is a layout and antenna design. To ensure good performance you need to connect a spectrum analyzer to tune the output power, and the antenna needs to be tuned to 50ohm using a network analyzer.</p> <p>The nRF24L01 do not include any frequency hopping, this must be fully done by the MCU.</p> <p>We do not support new development for the nRF24-series.</p> <p>Best regards,<br />Kenneth</p><div style="clear:both;"></div>