Posted by axxxr
Here’s mobile phone jammer called the CX 200 Portable Director II.This device is specially tuned to continuously jam the popular Japanese carrier frequencies for 70 seconds and even allows you to politely fade-out a call you’d rather not be taking.
widgx
Posted by jasond
Wicked.
Posted by Luke-the-magic-man
if you go to www.hackaday.com you can dind out how to do alot of things like that, theres even data sheets on how to make a full time signal blocker and even a radio one lol