
AOS-W Instant 6.3.1.1-4.0 | User Guide Regulatory Domain | 322
Chapter 34
Regulatory Domain
The IEEE 802.11/b/g/n Wi-Fi networks operate in the 2.4 GHz spectrum and IEEE 802.11a/n operate in the 5.0 GHz
spectrum. The spectrum is divided into channels. The 2.4 GHz spectrum is divided into 14 overlapping, staggered 20
MHz wireless carrier channels. These channels are spaced 5 MHz apart. The 5 GHz spectrum is divided into more
channels. The channels that can be used in a particular country differ based on the regulations of that country.
The initial Wi-Fi setup requires you to specify the country code for the country in which the AOS-W Instant operates.
This configuration sets the regulatory domain for the radio frequencies that the OAW-IAPs use. Within the regulated
transmission spectrum, a high-throughput 802.11a, 802.11b/g, or 802.11n radio setting can be configured. The
available 20 MHz and 40 MHz channels are dependent on the specified country code.
You cannot change the country code for the OAW-IAPs designated for USJapan, and Israel for most of the OAW-
IAP models. Improper country code assignment can disrupt wireless transmissions. Most countries impose
penalties and sanctions on operators of wireless networks with devices set to improper country codes. Country
Codes List on page 322 shows the list of country codes.
Figure 115 - Specifying a Country Code
Country Codes List
The following table provides a list of supported country codes:
Code Country Name
AE United Arab Emirates
AR Argentina
AT Austria
AU Australia
BG Bulgaria
BH Bahrain
BM Bermuda
BO Bolivia
BR Brazil
Table 63:
Country Codes List
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