In the United States, if you own a car, you also need car gps jammer. why would you said this? There are two reasons. The first reason is GPS tracking. As GPS trackers become more and more popular in the United States, you never know when you will be tracked. It is not safe to be targeted by malicious people. The second reason is driving safety. As we all know, young people today cannot do without mobile phones. It is not difficult to imagine that they would use it while driving. This is very dangerous! Therefore, we need a jammer to prevent them from using mobile phones for driving safety.