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Can the interference signal of the mobile phone signal jammer penetrate the wall?

Can the interference signal of the mobile phone signal jammer penetrate the wall?

  • 2022-05-18

Mobile phone signal jammer, whether it can conduct through wall interference across the wall. To answer this question, we need to look at several situations.

First of all, look at the mobile phone signal jammer itself. The mobile phone signal jammer transmits the wireless RF signal specially for the mobile phone signal. It will have a certain attenuation when it encounters obstacles in the transmission path, and the attenuation degree of the mobile phone signal jammer is also different in the face of different walls. For example, the wall is reinforced concrete wall or brick concrete wall. For one wall of reinforced concrete and two continuous brick concrete walls, the interference signal emitted by the mobile phone signal jammer basically has no attenuation, that is to say, it can not be used through the wall. Therefore, the signal transmitted by the mobile phone signal jammer usually cannot pass through the wall. After all, the interference signal (wireless signal) is not X-ray and does not have the ability of direct penetration. It will also have certain refraction and reflection when encountering the wall.

In some cases, different wall materials have different attenuation degrees to the mobile phone signal jammer. For example, if the wall is made of light steel keel gypsum board, its attenuation is small. Similarly, the attenuation is small for glass and wooden doors. In addition, if the signal of the mobile phone signal jammer will also be refracted through the open space of the door and window or through the reflection and refraction of the wall, it will have some impact on the mobile phone signal behind the wall, which makes people feel that the mobile phone signal jammer has the illusion of penetration ability.

Of course, it is also related to the power of each frequency band and the ability of transmitting signals. Generally speaking, the higher the transmission power is, the stronger the penetration ability is. It's the same as listening to the voice next door from a wall. If the voice next door is loud, you can hear it clearly. If the voice next door is small, you won't hear it basically.

The ability to penetrate the wall is also related to the frequency of the wireless signal transmitted by the mobile signal jammer. As we all know, the lower the frequency of the wireless signal, the stronger the diffraction performance, such as the radio station you usually listen to. The frequency of radio stations is basically tens of megabytes to more than 100 megabytes. The frequency is very low. A transmission tower can cover more than 100km. The lower the frequency of the wireless signal, the stronger the penetration ability will be.

Therefore, when using the mobile phone signal jammer, if you can determine that the wall is made of gypsum board and wood board, you can choose whether to install the partition wall. If the wall is brick concrete or steel concrete, it is not recommended to install mobile Signal Jammer in the partition wall.

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