Since the beginning the Access Point market has used tight controls to ensure they follow all applicable laws for RF broadcasting. Even in the era of software defined radios, export compliance requires strict adherence to country laws. This is why AP’s from Cisco have had part numbers applicable to various countries and regulatory domains. More part numbers often equates to more complication.
Now, with Cisco’s Universal Domain Access Points, you can order an AP that can be regulatory domain agnostic. This is a great blog From Sam Clement that describes how to tie a Universal Domain AP to a regulatory domain.