Will Jones of WJComms comments:

Just a short post to share a simple table that I knocked up for quickly referencing Cisco AP TX power levels (1-8 as shown on a WLC) to what they actually mean in terms of dBm.

Handy reference for those that need to translate power settings to dBm. Good to bookmark this one in case Cisco moves it again.

Read more at: Cisco AP Power to dBm Tables