https://devzone.nordicsemi.com/f/nordic-q-a/83366/nrf9160-sica-b1a-r-vs-nrf9160-sica-rHi we are in the preproduction phase and we see that in the market there are two order codes NRF9160-SICA-B1A-R and NRF9160-SICA-R. Looking at the datasheet it looks like the second misses the &quot;Build code&quot; field of the order code that for the firsten-USTelligent Community 13Wed, 05 Jan 2022 10:18:26 GMThttps://devzone.nordicsemi.com/thread/346101?ContentTypeID=1Wed, 05 Jan 2022 10:18:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:daba76a7-695a-456a-b062-822d1e290508&#216;yvind<p>Hello,&nbsp;</p> <p><br />Please see&nbsp;<a href="https://infocenter.nordicsemi.com/pdf/pcn_134_v1.0.1.pdf?cp=2_0_2_2">PCN 134 found here</a>.</p> [quote user=""]Could this mean that&nbsp;<span>NRF9160-SICA-R is an older hardware version than&nbsp;NRF9160-SICA-B1A-R?</span>[/quote] <p>Yes, that is correct.&nbsp;<span>NRF9160-SICA-R is the now discontinued rev 1 (B0A), <a href="https://infocenter.nordicsemi.com/pdf/PDN_037_nRF9160-SIxA-B0A.pdf">described in PDN 037</a>.&nbsp;NRF9160-SICA-B1A-R is the new rev 2.</span></p> <p><span>Kind regards,<br />Øyvind</span></p><div style="clear:both;"></div>