Which channel must be excluded from the access points RRM calculation to avoid network disruption due to weather radar activity?

A customer is deploying a mesh outdoor wireless network based on FCC standards where spectrum analysis shows significant radar energy propagating throughout the coverage area from a local weather station.

Which channel must be excluded from the access points RRM calculation to avoid network disruption due to weather radar activity?
A . 132
B . 44
C . 11
D . 36

View Answer

Answer: A

Explanation:

Weather radars operate within the 5600- to 5650-MHz band, which means that channels 124 and 128 might be affected, but also channels 120 and 132 might suffer from weather radar activity.

Reference: http://www.cisco.com/c/en/us/td/docs/wireless/technology/mesh/7-3/design/guide/Mesh/Mesh_chapter_0111.html