@webtron - 3 weeks and no reply that's a joke. I just found your thread after making my own....

https://community.tp-link.com/en/business/forum/topic/584918

This topic needs attention and TP-Link needs to fix this immediately.

  @Aus-wifi-guy We have confirmation from our supplier that the only Omada APs that are US version they stock are the EAP-235 Wall https://www.tp-link.com/au/business-networking/omada-sdn-access-point/eap235-wall/  and the EAP-615 Wall

What I don't get is why no one will import the external gear with the US channel range, which is a lot better than the EU restricted ones.

FYI the TPlink vdsl modems we get here are the same EU channel restrictions too.

  @webtron I just got a reply from TP-Link support below, but I will not be letting this go. My Distributor didn't seem to know about the issue, and if there is not a firmware fix for this fairly quickly I'll be sending back all my stock and reporting these to the ACMA for non compliance.

I'll also be calling every Australian distributor to alert them of the issue and that a disclaimer must to be made before selling these products or they should stop selling non-compatible Omada products in Australia.

It's sad that there are so many people who have noticed this issue over time and have just accepted that 'that is just how it is', when it really is not acceptable.

Hello and thank you for contacting TP-Link support.

Upon checking, for EAP225 (EU), the band 4 from channel 149-channel 165 are not supported or usable.
While the EAP225(US) supports the 5G baad 4, so you can use these channels before.

Thanks for your support and cooperation, and have a wonderful day! 
We look forward to hearing back from you. If you have additional information or feedback to provide, please feel free to let us know.
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  @Aus-wifi-guy Looks like TP-links usual acknowledge and do nothing about it reply they always trot out about this issue. Good luck