https://devzone.nordicsemi.com/f/nordic-q-a/120716/multi-antenna-channel-soundingWhen setting the following channel sounding parameters with bt_le_cs_set_procedure_parameters I am getting E: Failed to set procedure parameters (err -22) or BT_HCI_ERR_INVALID_PARAM when printing the opcode strings. this only happens for any configurationen-USTelligent Community 13Tue, 15 Apr 2025 11:14:08 GMThttps://devzone.nordicsemi.com/thread/531821?ContentTypeID=1Tue, 15 Apr 2025 11:14:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:26e21e74-b750-488b-8551-72711ad25687schuschu<p>Thanks, that fixed it!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/531820?ContentTypeID=1Tue, 15 Apr 2025 11:09:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:11b0a4e6-76d5-40cc-b566-caa66974e908ivan iushkov<p>according to Bluetooth Core Specification, there is a requirement related to Preferred_Peer_Antenna field:</p> <p>```</p> <p>The Preferred_Peer_Antenna parameter indicates the preferred peer-ordered antenna<br />elements to be used by the remote device for the antenna configuration denoted by<br />the Tone_Antenna_Config_Selection parameter. The number of bits set in this field<br />shall be greater than or equal to the number of antenna elements denoted by the<br />Tone_Antenna_Config_Selection parameter.</p> <p>```</p> <p>Can you try to set 2 bits&nbsp;in&nbsp;procedure_params.preferred_peer_antenna and check if it helps?</p><div style="clear:both;"></div>