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How to describe the signal coverage area of the omnidirectional mobile phone signal jammer?

How to describe the signal coverage area of the omnidirectional mobile phone signal jammer?

  • 2022-11-30

phone signal jammer


Usually, if there are no special requirements on the site, most of the mobile phone signal jammers purchased by customers use omnidirectional antennas, especially among low-power jamming devices, omnidirectional antennas are almost standard configurations. The appearance of omnidirectional antennas is generally in the shape of a round tube, or in the shape of a soft whip. It occupies less space and the cost is not high, so it will be favored by manufacturers. However, the customer's focus is often not on the appearance of the antenna, but on how much area is covered by the signal of the interference device after it is transmitted through the omnidirectional antenna? So, how to give customers a more vivid description, so that customers can understand the signal coverage area of the omnidirectional mobile phone signal jammer?

For the signal coverage direction of the omnidirectional antenna, the simplest visual description can be expressed as: Assuming that the omnidirectional antenna is the origin of signal transmission, then the interference signal is transmitted and diffused around the origin through this origin, and its direction is divergent and formed. The coverage area is like a spherical area. The omnidirectional antenna of the cell phone signal jammer is the center of the spherical area. From the center to the edge of the outer wall of the sphere, it is the entire area that the jamming device can effectively cover.

The above description can only be regarded as the most basic model description. But in fact, the real signal diffusion model is closer to the shape of the magnetic field than the standard spherical shape. It can be expressed in a more vivid way: the real signal diffusion model tends to be more like the outer contour of an apple, in which the omnidirectional antenna is like the core of an apple, and the outer contour of an apple is like the coverage of Ertuo signal The area, the direction of the extension line at both ends of the antenna, is the direction with the shortest transmission distance of the interference signal, and the direction perpendicular to the axis of the antenna, that is, the horizontal direction, is the direction with the largest transmission distance and coverage of the interference signal.

Of course, the above description is only based on the ideal environment simulation. In the actual use process, the signal coverage area of the mobile phone signal jammer will be different. For example, it is impossible for the jamming device to be installed completely suspended. During the downward divergent transmission of the interference signal, when it encounters the ground below, it will be completely blocked or a small part will be reflected and demolished through the ground. Another example: if the mobile phone signal jammer is installed on the wall, the back of it will also be blocked by the wall, and the interference signal will often not penetrate completely. There will also be some reflection and refraction phenomena.


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