jammer

Great changes have taken place in our life with the help of the scientific technology. We do not have to look at a map or need a guide in the new city. A computer screen in our cars will show us what direction, what street and the shortest way to get somewhere. It will guide the ambulance...

I'd like to know in detalis all countries around the world that allow using of cell-phone jammers

I want to get a radar detector and jammer but i want to get a really good one for less than $250 i have found one called the phantom 4 RMR C410 but is there a better one for that price or less?

stop someone from opening a ga? Anyone know where I can get a radio frequency jammer that can stop someone from opening a garage door with a remote control? Most garage door openers operate from a 300- 400MHZ range so does anyone know anything?

What are the proxy sites to overcome internet jammer

My school is brand new and it's 3 floors. Cell phones can't even get service on the first floor, but on the 2nd and 3rd, they can. Is there some sort of jammer or is it just because the 2 floors above it?