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Why do gas stations advocate the installation of cell phone signal jammers?

Dojammer 2022-01-27

Nowadays, mobile phone signals are almost ubiquitous. While it is convenient to use mobile phones, the electromagnetic wave signals generated by them also affect other electrical equipment to a certain extent, especially the petroleum commodity appliances in gas stations.

When the mobile phone is not in use, the impact of the mobile phone signal on the electrical equipment is minimal. When using a mobile phone, the base station of the mobile phone establishes data communication with the mobile phone, and a random sudden change signal occurs, which makes a dynamic magnetic field around the electrical equipment. This dynamic electromagnetic field signal will induce sudden changes in the interference signal. , causing dysfunction of electrical equipment, resulting in dysfunction of electrical equipment.

When the cell phone battery is activated at the gas station, the cell phone rings, and it will generate enough energy to cause a slight spark, which will cause a fire when it encounters flammable substances such as oil in the air. So we can see that there are express regulations on the gas station, prohibiting the use of mobile phones in the gas station. According to the principle, the equipment of the gas station is controlled by the computer. The signal of the mobile phone will affect the normal operation of the equipment, which will lead to the prohibition of metering. More importantly, when the mobile phone sends or receives high-frequency electromagnetic waves, the There will be high-frequency current. If the mobile phone has poor contact, it will cause the gas to burn, which will cause the gas station to explode.

6 Bands Signal Jammer

The use of cell phone signal jammers can limit cell phone signals beyond 500M meters from the transmitter. The shielding radius is adjustable, and the coverage is more than 30 square meters. The mobile phone within this range cannot establish contact with the base station, so the influence of the electromagnetic signal emitted by the mobile phone signal on the gas station can be avoided to a certain extent. However, the cell phone signal blocker can only block cell phone signals without affecting other electronic devices.

When we install mobile phone signal jammers at gas stations, we should also pay attention to the following points:

1. Do not start the machine without connecting the antenna, otherwise the circuit of the host will be burned;

2. The equipment adopts seamless steel pipes to fully seal the points to prevent fire or wire aging and other problems from causing fire;

3. When the equipment reaches the normal working range, the distance from the communication base station should be greater than 200m, otherwise the shielding range will be reduced or cannot be shielded;

4. When using, pay attention to the correct placement of the equipment to achieve the best state.


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