We don't need an EMP
Check out the link to a realization of a dream! And it doesn't require the use of costly and dangerous nuclear weapons!!
http://www.intomobile.com/2007/09/28/palm-phone-jammer-fits-in-your-hand-annoys-everyone-around-you.html
This page contains all entries posted to Benjamin Reese in April 2009. They are listed from oldest to newest.
March 2009 is the previous archive.
Many more can be found on the main index page or by looking through the archives.