https://devzone.nordicsemi.com/f/nordic-q-a/79265/nrf51822-qfaa-range-issueGood Afternoon, I am using NRF51822-QFAA as ble remote in central mode. It connects to ESP32 and send the command for changing it&#39;s mode. I am using the RF module YJ-14001-NRF51822. I made small changes in ble_app_uart_c code as required. It is connectingen-USTelligent Community 13Mon, 06 Sep 2021 06:42:54 GMThttps://devzone.nordicsemi.com/thread/328089?ContentTypeID=1Mon, 06 Sep 2021 06:42:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e35603cc-9adb-4cf5-87e5-3587dbef1c02Jared<p>Hi,</p> <p>Did you place the model on a custom board? Most likely the difference is due to your hardware design. +4dBm should give longer range as.&nbsp;</p> <p>regards</p> <p>Jared</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/328013?ContentTypeID=1Fri, 03 Sep 2021 15:24:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cf873479-6cc9-45d6-b163-4e3fb5532c99CreativeBuds<p>No i did not try with DK, i tried with an other nrf module HW651, That is giving around 10ft.<br /><br />could u also tell me if the tx_power is set to +4DB it will give a better range or -40DB it will give a better range.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/327948?ContentTypeID=1Fri, 03 Sep 2021 10:45:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fd8a76f9-6034-4f32-8ee5-d886da2a89e6Jared<p>&nbsp;Hi,</p> <p>Have you tried comparing it with a nRF51 DK? Any considerable difference?&nbsp;</p> <p>regards</p> <p>Jared</p><div style="clear:both;"></div>