Frequency jammers have recently appeared in the automotive and telephone markets. These small devices are used to scramble the frequencies of the waves emitted by an electronic device and to divert them, so as not to disturb certain professions or for less acceptable purposes.

The different frequency jammers

There are several types of frequency jammers . More and more auditoriums and hospitals are using it. Frequency jammers prevent mobile phones from picking up waves and receiving and making calls or messages. While for theaters, this is a way to gain respect for artists, for hospitals, this can be vital, because some waves distort the results recorded by diagnostic or monitoring tools such as electrocardiograms.

Some motorists also equip their vehicle with frequency jammers so as not to be detected in the event of speeding by the police or gendarmerie . This is prohibited by law, and can lead to prosecution and a large fine in case of control. Frequency jammers are also prized by car thieves, who blur the frequency of your remote closure. You think you've closed your doors, and that's not the case. The thief has only to enter the vehicle when you have turned your back.

How do frequency scramblers work?

A frequency scrambler is not a device that takes up a lot of space since it holds in the hand. However, it is a technological tool. It is inexpensive but not commercially available. Internet and the black market are the main suppliers of frequency jammers .

They pick up waves with an antenna, and blur them, that is, they make them undecipherable. Some frequency scramblers have a long range, but the basic models do not exceed 40 meters.