Installation Guide

Chapter 4: Reference information Country specific radio regulations
Page
4-61
DFS for 2.4 and 5 GHz Radios
Dynamic Frequency Selection (DFS) is a requirement in several countries and regions for 2.4 and 5 GHz
unlicensed systems to detect radar systems and avoid co-channel operation.
The details of DFS operation and channels available for each Country Code, including whether DFS is
active on the AP, SM, which DFS regulation apply, and any channel restrictions are shown in Table 172
on page 4-61.
Table 172 Country & Bands DFS setting
Region
Code
Country Code
Band
AP
SM
Weather
Radar
Notch-Out
North
America
USA 2.4 GHz No effect No effect No
5.2 GHz FCC DFS No effect No
5.4 GHz FCC DFS No effect No
5.8 GHz No effect No effect No
Canada 2.4 GHz No effect No effect No
5.2 GHz FCC DFS No effect No
5.4 GHz FCC DFS No effect No*
* Weather radar notch-out is required in Canada when the band
range is between 5600 - 5650
5.8 GHz No effect No effect No
Mexico 2.4 GHz No effect No effect No
5.2 GHz ANATEL Res506-
2008
No effect No
5.4 GHz ANATEL Res506-
2008
No effect No
5.8 GHz No effect No effect No
South
America
Brazil
5.4 GHz
ETSI EN 301 893
v2.1.1DFS
No effect No
5.8 GHz No effect No effect No
Europe ETSI 5.4 GHz ETSI EN 301 893
v2.1.1 DFS
ETSI EN 301 893
v1.7.1 DFS
Yes
5.8 GHz ETSI EN 302 502
v2.1.1 DFS
ETSI EN 302 502
v1.2.1 DFS
Yes
Other-FCC 2.4 GHz No effect No effect No