@Fae Thank you Fae for your informative reply and offer to help. Per your request, the product S/N is 22074X8002007 and the vendor was amazon.ca....

I have a new EAP225-Outdoor(US) just set up. It works but there are only five channels available on the 5 GHz band, the top 5 ones in the UNII3 band. This is a problem for me since my neighbor's wifi...