https://devzone.nordicsemi.com/f/nordic-q-a/72113/selection-of-bandHello, How the modem selects it band of operation. Is it done automatically selected by the modem after registering to the base station? or is it assigned by the base station, or is it fixed by our firmware?en-USTelligent Community 13Mon, 01 Mar 2021 14:26:03 GMThttps://devzone.nordicsemi.com/thread/296897?ContentTypeID=1Mon, 01 Mar 2021 14:26:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b28a0bee-3e3d-46aa-ad59-0754dd8e8b77&#216;yvind<p>Hello,&nbsp;</p> <p>Have a look at our <a href="https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/mob_termination_ctrl_status/xbandlock.html">AT command for band lock %XBANDLOCK</a>. Remember to&nbsp;s<span>et band lock before activating modem with&nbsp;</span><span>+CFUN.</span></p> <p><span>More information on supported bands can be <a href="https://infocenter.nordicsemi.com/topic/nwp_033/WP/nwp_033/nwp_033_band_support.html">found here</a>&nbsp;and <a href="https://www.nordicsemi.com/Products/Low-power-Cellular-IoT/nRF9160-Certifications">here</a></span></p> <p>Kind regards,<br />Øyvind</p><div style="clear:both;"></div>