A mobile phone signal jammer is a device that prevents mobile devices from receiving signals

The role of a jammer is to disconnect the communication link (or network) between two (or more) “partners” when they try to talk to each other or transmit some data between them. There are more cases of interference with the communication link between the drone and its operator. We can try to disrupt the communication between the cellular device and the base station, between two tactical radios, and between the bomb and the remote control used to activate it.

To stop it, the jammer sends RF (CW + modulation) energy at the same frequency as the enemy link or network. The enemy’s receiver (the “hearing” side) should receive both the transmission of the evil and the transmission of his “partner”. The strong should have the upper hand; if the energy of the Drone jammer device is higher than the energy of the “partner”, the “listener” will not be able to “correctly” understand the message/data. Or, if the energy of the “partner” is higher than the power of the jammer, the “listener” will be able to correctly “understand” the message/data and the communication link between the “partners”

Sometimes the interference signal arriving at the receiver input may be lower than the communication signal (“partner”) and still dominate. This happens because the receiver usually needs a certain amount of “margin” between the two input signals in order to be able to interpret one of the signals (usually the stronger signal). However, in advanced communication systems, this “margin” may sometimes even be negative (which means that the communication signal may be much lower than the interference signal), and the receiver will still be able to interpret the “partner” signal, so the interference caused is more difficult Much.

Have you ever been annoyed by other people talking loudly on the phone and interrupting your commute? It turns out that there is a way to end these calls-cell phone jammer A cell phone jammer is a device used to prevent mobile devices from receiving signals from their base stations. Mobile jammers were originally used for law enforcement and military purposes, so they can prevent communications between terrorists and criminals. They are also very common in prisons, where (obviously) prisoners are not allowed to use mobile phones. After the public discovered this technology, many people (especially employers) wanted to use it themselves, especially in large cities, where everyone seemed to be calling.

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