SWRU423A July 2015 – May 2016 WL1801MOD , WL1805MOD , WL1807MOD , WL1831MOD , WL1835MOD , WL1837MOD
The regulatory domain feature implements the IEEE 802.11d specification.
Each country has a different list of channels in which it is allowed to operate. The AP is responsible for publishing its beacons using the countries IE. This IE contains all the information regarding the country being operated in, and the allowed channels and allowed TX power on each channel.
The AP takes this information from the CRDA file, which contains updated information on all allowed channels and TX power in each country.
The country can be configured in the AP configuration file according to the configured country; the AP reads the relevant information from the file and publishes it in its beacons.