How Jammers work

Basic working principle of jammers:

A cell phone jammer is a device that transmits signals at the same frequency that can cause interference in the cell phone signal area. With the increase in the number of cell phone users, cell phone jammers are being used to disable cell phone signals in specific locations.

When a cell phone jammer is activated, it broadcasts a signal on the same frequency as the GSM modem used by the cell phone. Cell phones operate on two frequencies at the same time, and some jammers can only block one of the frequencies. However, since cell phones need both frequencies to work properly, blocking one frequency will eventually cause both frequencies to be blocked, making the phone think that there is no service available in the area.

When a cell phone is used, it sends a signal to the cell phone tower, and when the cell phone user passes through an area, the signal is processed by different towers. Signal blockers or jammers work by transmitting signals on the same radio frequency as the cell phone, thereby interrupting the communication between the cell phone and the base station located in the tower. This interference, also known as a denial of service attack, prevents the cell phone’s radio signal from reaching users within the coverage area of ​​the jamming device. Best-selling GPS jammers and WIFI jammers in Europe and America.

How common jammers on the market work:

There are various types of cell phone jammers on the market, some devices can only block one frequency, while some devices can block multiple types of networks at the same time. Advanced models can automatically switch between different networks to search for the target network. High-end devices can block all frequencies at once, while others can tune to specific frequencies.

Essentially, a jammer emits random glitches or noises over a wide frequency range, creating strong interference that prevents nearby devices from establishing the intended connection. This is similar to trying to have a conversation while standing next to a running car engine with the hood open – the surrounding noise becomes overwhelming and the device can no longer establish a proper connection. By quickly covering the frequency range, the jammer effectively disrupts the normal operation of the device.

The jammer transmits a jamming signal that interferes with the receiver’s demodulation and amplification, making it impossible for the target device to receive the signal. The jamming signal looks similar to the carrier frequency of the original signal, but it is actually a false signal sent to deceive the receiver. Although the intensity of the jamming power is limited, effective jamming can still be achieved depending on the specific situation.

Best Selling Signal Jammers