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The digital blocks used in cell phones do not interfere with other electronic devices

Perfectjammer 2022/05/06

Mobile phone signal jammers are mainly used in various examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters and other places where the use of mobile phones is prohibited.

At present, due to the approaching of the college entrance examination date, many school test centers are purchasing What Are The Digital Blocks For Cell Phones , where can I buy a mobile phone signal jammer?

In fact, if you search for mobile phone signal jammers on the Internet, you can find some signal jammer manufacturers, and you can consult or purchase directly through the official website.

cell phone jammer Factors that determine the size of the shielding range: the distance between the use site and the base station and the blocking of obstacles; to achieve the same shielding effect in the same area, it is more economical to use multiple low-power distributed installations than to use a high-power one. many.

The shielding range is mainly determined by the strength of the magnetic field, the large area is far away from the base station, and so on. The shielding radius of the mobile phone signal jammer is adjustable, and the coverage is more than 30 square meters. The mobile phone signal jammer can only block the mobile phone signal without affecting other electronic devices, making it more popular in the scene where the mobile phone needs to be shielded.

The 2022 college entrance examination will start in less than 2 months. In order to prevent candidates from cheating through mobile phones and other technological means, the school will use the examination room What Are The Digital Blocks For Cell Phones .

In order to block the 5G mobile phone signals that are commonly used now, the school is purchasing a new examination room. When using a signal shielding device, you will always choose a mobile phone signal shielding device that can shield 5G signals.

How much does this signal shielding device cost? At present, the jammers on the market that can block 5G mobile phone signals are all-band signal jammers. Due to the addition of the 5G frequency band, both the technical cost and the material cost have increased, so the price is higher than that of the traditional mobile phone signal jammers in the examination room.

It is said that there is a slight improvement. After all, the frequency band of 5G signals is in the range of 3000-5000 MHz. To completely block this frequency band, the technical difficulty has increased a lot. But don't worry too much.

For professional test room signal jammer manufacturers, it is not too difficult to increase the 5G frequency band, so it is also acceptable in terms of the price of mobile phone jammers.