REPOST (Older Post pasted here)
Hereya go folks, gadgets to make sure your ped stays YOURS.
http://www.cpcares.com/FMxmtr.html
No Reccommendation.
http://www.electronic-kits-and-projects.com/fm_transmitters.htm
http://www.electronic-kits-and-projects.com/surveillance_bugs.htm
http://www.electronic-kits-and-projects.com/car_motorbike.htm
Bunch of sneaky Brits, but good at it, this is more complex stuff.
http://www.amazing1.com/security2.htm
Model # TT7K is a personal Fav, $40.00 worth of real security.
Hope this helps a bit.
-Ree