This Object represents the configured Regulatory Domain this AP
will adhere to.
1 -- US
2 -- JAPAN
3 -- EU
4 -- EU2
5 -- EU3
6 -- KOREA
7 -- CHINA
8 -- France
9 -- Singapore
10 -- MALAY
11 -- BRAZIL
12 -- Taiwan
13 -- Czech Republic
14 -- GR
15 -- South Africa
16 -- Argentina
17 -- Australia
18 -- Chile