"Tyler Durden" <camera_lumina@hotmail.com> writes:

Anyone know from first-hand experience about cellphone jammers?

I need...

1) A nice little portable, and

Try the SH066PL, a nice portable that looks exactly like a cellphone, it's one of the few portables I know of.

2) A higher-powered one that can black out cell phone calls within, say, 50 to 100 feet of a moving vehicle.

Google is your friend, there are tons of these around, with varying degrees of sophistication. These are definitely not portable, taking several amps at 6-12V to power them. None of them are exactly cheap. Peter.