The Radar Avoidance Pre-Scanning (RAPS) setting allows pre-scanning of DFS channels in the 5
GHz band to ensure the channel is clear of radar signals prior to transmitting on the channel.
This setting affects select outdoor dual band 802.11n/ac AP models only and has no impact on APs
that do not support the feature. The option will also only be available if the Country Code
settings are configured to allow use of DFS channels (see Setting the Country Code
Radar Avoidance Pre-Scanning