https://devzone.nordicsemi.com/f/nordic-q-a/114810/bt-set-tx-powerhow to set bt tx power in NCS I referred to this example &quot;hci_pwr_ctr&quot;, but err occurs:&quot;Set Tx power err: -5 reason 0x00&quot;, Possible errors are BT_SCI-ERR_SUNKNOWN_CMD。 How can I configure and use it correctly？en-USTelligent Community 13Wed, 18 Sep 2024 13:58:04 GMThttps://devzone.nordicsemi.com/thread/502955?ContentTypeID=1Wed, 18 Sep 2024 13:58:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3dd08e5d-b9cc-4897-81af-453c53f71de0Hung Bui<p>Hi Albert,</p> <p>Have you tried to test with the&nbsp;hci_pwr_ctr sample ? Do you have the same problem ?&nbsp;<br />I suspect that you forgot to add&nbsp;CONFIG_BT_CTLR_TX_PWR_DYNAMIC_CONTROL=y to the project configuration.&nbsp;</p><div style="clear:both;"></div>