Here are the pertinent bits as far as I can tell:

There is a little dBm <-> Watt conversion utility here:

(NOTE: some people view the FCC rules as only allowing an omnidirectional antenna a total of 30dBM EIRP, but the general consensus is that they are really directional (they do limit the vertical beamwidth) and follow the same rules as every other type of antenna)


SeattleWireless has some information on this too:

Its pretty dense though, so whoever's got the ability to read that or already knows it please summarize!


Here's a good summary from TimPozar at BaWug

and another more recent paper by Tim here (PDF or Postscript):


FccRegulations (last edited 2007-11-23 18:01:28 by localhost)