The best jammers (jammers) of cellular communication for 2020

The jammer is in great demand not only during the exam, but is also actively used on the territory of military units, in state corporations and in the metro. The device is capable of completely blocking cellular communications. However, when using it, there are some nuances that a person should know before buying this device.

The editors of the site "bestx.htgetrid.com/en/" have prepared for you a rating of the best suppressors of cellular communications for 2020.

History of origin

The first to use jammers were officers working on the territory of military units or other important strategic facilities. Thanks to their work, the possibility of wiretapping was excluded, which prevented the leakage of classified information. In addition, such devices contributed to the clearing of interference when communicating with aircraft.

Such equipment appeared on world markets at the beginning of the 21st century. The king of Jordan contributed to its spread. This was due to the fact that the ruler did not like that the people who came to the temple did not turn off their mobile devices and thereby distracted him from prayer. To solve the problem, he turned to specialists who had to create a device that would help block the cellular signal. In 2001, engineers were able to design a device that jammed GSM mobile signals.

How are jammers used now?

Most often, cell jammers are used to prevent the spread of confidential information from third parties. Therefore, they are used in large corporations, at government facilities, in prisons, etc.

They are also used in places where sensitive electronics are used to prevent interference:

• In medical institutions;
• In some repair centers;
• In special laboratories.

In large cities, jammers are installed in theaters and museums, here they are important because they do not distract artists and people from enjoying the art. However, this is found only in large cities, in small places there is no sense in such a purchase.

Signal suppressors are also installed in the metro, which makes it possible to effectively fight terrorism. Because improvised bombs are detonated using mobile communication, and if there is no signal, then the explosion too.

Recently, cell jammers have been used in educational institutions, especially when passing state exams. This is used so that the student cannot find answers on the Internet, but is guided only by his own knowledge.

Despite the advantages of this device, in the hands of an attacker, it becomes a dangerous tool that makes it possible to eliminate the car or house alarm, does not allow tracking a stolen vehicle, and in some cases helps to disable the entire “Smart Home” system. Therefore, such an adaptation is not always capable of having only a positive effect.

How does a jammer work?

The main principle of the signal suppressor is to generate interference at a certain frequency.The signal does not disappear, it is simply not able to receive or send information due to the influence of white noise. However, jammers have a certain radius, after leaving which the signal is almost instantly restored.

In any equipment, 5 main elements stand out, without which stable operation is impossible:

• Generator... The element is designed to adjust the voltage;
• A special frequency is used to select the frequency. controller circuit;
• The circuit also includes source of interference;
• The range of the signal and the quality of its work are affected by radio frequency amplification unit;
• Antenna for broadcasting white noise.

In the markets, there are small pocket models and large boxes that are used for installation in the subway. The power depends on the size, the more, the wider the range.

The devices are capable of working not only with the usual GSM, except for it, interference is created for radio frequencies, Wi-Fi, GPS, GLONASS, etc.

Varieties

In addition to the difference in size, suppressors differ in purpose, so there are three popular options:

• Stationary;
• Compact;
• Jammer covers.

Stationary it is used in almost all strategic facilities, in the subway, etc. These are large models with great power and range. Most often, such devices have ten antennas.

They are used only for professional purposes, while they are operated daily and without stopping. State-owned companies purchase them for secret meetings, and educational institutions use them during the exam. In addition, they are used in hospitals and temples.

Compact jammers for mobile communications are intended for private use. They are small devices that fit easily into a pocket or backpack. The operating time of such devices is only 12 hours, while the operating range is only a few meters. The work is carried out from the built-in battery.

Such models can be used in negotiations, which allows you to save information only between those persons who are present in the office and prevent dissemination. Also, such devices are used to conduct final exams on tests.

It is difficult to find this model because it is easy to disguise them as a minor, everyday thing. For example, some disguise them as a wallet or hide them in a pencil case.

Sheath Suppressors are produced individually for a smartphone. Its main task is to hide the location of the subscriber from all cards and make it impossible to spy on him. This option is allowed for use without restrictions, as long as it is your own phone, and not stolen. Otherwise, such actions are subject to criminal penalties. The design feature of such devices is that they block communication and protect the user from harmful radiation.

Where are they sold?

From the point of view of the law and the amendments that entered into force in 2020, anyone can buy jammers. They are sold both in online stores and in standard electronic stores or radio markets. Therefore, the user will not have problems with the purchase.

Most often, such devices are ordered via the Internet, since there is a wider selection than in offline stores. At the same time, not only covers and portable models are sold, but also full-fledged stationary jammers with a long range.

The devices are delivered to special pick-up points or to a person's home. In addition, the devices have special certificates that confirm the technical features of the jammer.

The cost of such devices is different. It all depends on the size, purpose, maximum range, supported frequencies, etc. The cheapest Chinese models are sold at a price of 1,200 rubles. Large companies use more expensive models, the price of which reaches 1 million rubles.

DIY jammer

Not everyone can afford to buy a device and pay for shipping.Therefore, on the Internet, there are freely available circuits that make it possible to create this device from radio technical parts that are easier to find on the market or in used equipment.

Jammers are created using standard components that are found everywhere:

• Aluminum block;
• Frequency generator and jamming, 600 and 45 MHz, respectively;
• Power supply. The most commonly used battery is 9V;
• Antenna and special connectors for VHF.

To carry out the installation work, you will need a drill and a soldering iron. It is not possible to assemble the device without these two elements.

The assembly consists of several steps:

• First, it is necessary to connect the oscillator to the noise generating element. The impulse resulting from the operation of these components is passed through the matching network.
• Next, you need to install the local oscillator port to a special adapter. This will serve as the RF input. While the output will be located on the amplifier. After that, the signal will go to the antenna.
• However, this is not enough, because it is unsafe to transport the device in this form, because it can easily break. Therefore, it is necessary to pick up a special block on which all elements and connectors will be attached.
• VHF connectors must be soldered to the outputs using a soldering iron.
• The penultimate action is to install a voltage regulator and battery. It is important to place the battery separately from other components to prevent short circuits. For this, I use foam or other materials that cannot conduct current.
• The last stage - all components are connected to each other.

As a result, a person gets an excellent device that can be used for domestic purposes. For greater clarity, it is recommended to read the relevant articles in a radio engineering journal or watch a video on this topic.

Rating of the best jammers of compact sizes

EaglePro Buran

This option is designed to block cellular signals such as GSM, 3G. Due to its wide range, the device is able to interfere with the operation of almost all smartphones.

Due to its small size, the owner can install the device anywhere. The range is 5 meters. The jammer can be used from a regular network or built-in batteries.

Sold at a price of 2,990 rubles.

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Pocket muffler "Owl"

A portable model that allows you to suppress most of the signals, including GSM, CDMA, 3G, Wi-Fi. The maximum range is 3 meters. The device can be used both outdoors, at temperatures from -5 to 45 degrees, and indoors.

The body is made of impact-resistant plastic. The battery capacity is enough to operate for one hour. A cigarette lighter or regular network is used for charging.

The average price is 3,800 rubles.

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Berkut 8

A high-quality cell phone jammer, which is small in size and effective. The operating range is 20 meters, which makes it possible to use it in small conference rooms. Suppresses most of the signals used. However, it is possible to independently choose the frequency that needs to be muted; for this, special toggle switches are used, which are located on the case.

Charging is carried out from a 220 V network. The device does not take up much space; it can be easily placed in a case or an inner pocket of a jacket. It is able to operate even at extreme temperatures, which is an added plus. The power supply is universal, this makes it possible to always recharge it.A cooler built into the system is used for cooling.

The average price is 18,000 rubles.

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The best fixed cell phone jammers for 2020

Stationary jammer 6 antennas

A great option that is able to suppress all cellular signals, including Wi-Fi with Bluetooth. Also, the device can interfere with IP cameras. For signal suppression, 6 antennas are used, which evenly distribute white noise.

The suppressor is made in a classic aluminum case, this solution contributes to high-quality heat dissipation, which allows the device to be operated for a long period without overheating for important components.

Under ideal conditions, the maximum range can reach 80 meters. However, in practice, it is almost impossible to achieve this value. Power is supplied from a 220 V network, current is transmitted through a 5 V 12 A adapter.

The average cost in online stores is 10 320 rubles.

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JAX-101C-8

An excellent device for effectively suppressing mobile signals at any frequency. The maximum range is capable of reaching 40 meters. It works across all ranges, which makes the device an excellent solution for many public and private companies. The good news is that other devices that do not fall into the zone of these signals operate without distortion.

Also, the advantage of this model is a trouble-free company for several weeks. At the same time, the quality of suppression remains at the initial level. This guarantees the user the safety of personal information. Management is easy and does not require knowledge of certain rules.

It is sold at an average price of 16,770 rubles.

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Terminator 300

A professional device that is suitable for use in the largest state-owned companies. Suppresses all possible radio signals that could be used to eavesdrop or track people. The maximum operating range is 300 meters, the minimum is 50 m. The device will operate on one battery for 12 hours.

The case is made of quality materials that effectively dissipate heat and prevent the components from overheating during prolonged use. In addition, the device is equipped with a forced cooling system. It can be powered from a car or 220 V. The kit contains instructions and the necessary adapters.

Sold at a price of 56,500 rubles.

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Finally

The use of cellular jammers can not only cause harm, but also protect a person, making him "invisible" to intruders. If you have experience using the models described in the rating, or more interesting representatives, tell us about it in the comments.