How well do they work? And are they legal in the U.S.A.?
Does anybody have a schematic for either?
I can buy a cell phone jammer, but was wondering if it could be built cheaper. And I have found a way to make a WiFi jammer but it is not very powerful.
How to build a WiFi jammer video:
[HTML]<embed src="http://www.metacafe.com/fplayer/953946/how_to_build_a_wifi_and_bluetooth_jammer.swf" width="400" height="345" wmode="transparent" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash"></embed><br/><font size="1">
<a href="http://www.metacafe.com/watch/953946/how_to_build_a_wifi_and_bluetooth_jammer/">How To Build A WiFi And Bluetooth Jammer - video powered by Metacafe</a></font>[/HTML]