https://devzone.nordicsemi.com/f/nordic-q-a/80538/api-to-get-a-peripheral-bonded-device-s-physical-addressHey, I have a nRF central that connects and bonds to peripheral devices via BLE. From what I understand, the peripheral device has a BLE MAC address that isn&#39;t consistent, but a resolvable MAC address of the physical address. Is there an API toen-USTelligent Community 13Tue, 12 Oct 2021 10:54:47 GMThttps://devzone.nordicsemi.com/thread/333704?ContentTypeID=1Tue, 12 Oct 2021 10:54:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0e9af024-db4b-474f-ab92-8d83e620b082Amanda Hsieh<p>Hi,&nbsp;</p> <p>There is no&nbsp;<span>physical address when the device uses the resolvable address.&nbsp;</span><span>It is only by bonding with a device that you may get the IRK (identity resolvable key) that you will be able to recognize a device that is advertising and thereby also potentially connect.&nbsp;</span></p> <p><span>See&nbsp;<a title="Software Development Kit" href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/lib_pm_architecture.html?resultof=%22%49%64%65%6e%74%69%74%79%22%20%22%69%64%65%6e%74%22%20%22%52%65%73%6f%6c%76%69%6e%67%22%20%22%72%65%73%6f%6c%76%22%20%22%4b%65%79%73%22%20%22%6b%65%69%22%20">&nbsp;</a><a title="Peer Manager" href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/lib_peer_manager.html?cp=8_5_0_3_2_7">Peer Manager</a>&nbsp;/&nbsp;<a title="Software Development Kit" href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/lib_pm_architecture.html?resultof=%22%49%64%65%6e%74%69%74%79%22%20%22%69%64%65%6e%74%22%20%22%52%65%73%6f%6c%76%69%6e%67%22%20%22%72%65%73%6f%6c%76%22%20%22%4b%65%79%73%22%20%22%6b%65%69%22%20">Architecture</a>&nbsp;- ID Manager and&nbsp;<a title="Heart Rate Application" href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.1.0/ble_sdk_app_hrs.html?cp=8_1_4_2_2_13">Heart Rate Application</a>.&nbsp;</span></p> <p><span>Regards,<br />Amanda</span></p><div style="clear:both;"></div>