# CBRS MAC address mismatch **URL:** https://community.cambiumnetworks.com/t/cbrs-mac-address-mismatch/73495 **Category:** CBRS **Created:** [October 18, 2020, 1:31am UTC](https://community.cambiumnetworks.com/t/cbrs-mac-address-mismatch/73495 "2020-10-18T01:31:54Z") **Posts on this page:** 1 **Showing post:** 3
### Author: ![Simon\_King](https://d10gw3vjmzyp8.cloudfront.net/user_avatar/community.cambiumnetworks.com/simon_king/32/16169_2.png) [@Simon\_King](https://community.cambiumnetworks.com/u/Simon_King) #### Post date: [October 21, 2020, 8:38pm UTC](https://community.cambiumnetworks.com/t/cbrs-mac-address-mismatch/73495/3 "2020-10-21T20:38:27Z")
For the benefit of other people who come across this thread in the future, this problem was solved here: > [@CBRS onboarding error message](https://community.cambiumnetworks.com/t/cbrs-onboarding-error-message/73494/2): > > Cambium Tech support helped me with this problem. In case anyone else runs into this issue, I am posting the fix: My windows laptop died on me so have been using my Mac instead lately. Cnut is not available on Mac OS, so what I did was I connected an SM that was running 16.1 firmware to one of my non CBRS 3.65 AP’s I connected it so I can log into the radio and then onboard it to CnMaestro and then do a firmware update to 16.2.2 which will give me the firmware needed to enable CBRS on that SM. … --- _[View the full topic](https://community.cambiumnetworks.com/t/cbrs-mac-address-mismatch/73495)._