This article is within the scope of WikiProject Computing, a collaborative effort to improve the coverage of computers, computing, and information technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ComputingWikipedia:WikiProject ComputingTemplate:WikiProject ComputingComputing articles
This article is substantially duplicated by a piece in an external publication. Since the external publication copied Wikipedia rather than the reverse, please do not flag this article as a copyright violation of the following source:
Bedell, Paul (2012), Wireless Crash Course, McGraw-Hill
This page desperately needs a diagram, it is hard to even related to the current core without one. I'll see what I can do over the next month or so. Bwooce (talk) 22:25, 5 March 2009 (UTC)[reply]
