Avaya AP-4 User Manual page 488

Radio Specifications
802.11a Channel Frequencies
The available 802.11a Channels varies by regulatory domain and/or
country. 802.11a radio certification is available in the following regions:
• FCC: U.S., Canada, and Australia
• ETSI: Europe and the United Kingdom
• MKK: Japan
• SG: Singapore
• ASIA: China, Hong Kong, and South Korea
• TW: Taiwan
There are five sets of frequency bands that determine the available
channels depending on the regulatory domain.
Some countries restrict 802.11a operation to specific frequency bands.
The Web interface and CLI display the available channels for a radio's
particular regulatory domain. In the CLI, any channels that are not
available are labeled "Not Supported".
C-12 Avaya Wireless AP-4/5/6 User's Guide