Directional antenna signal transmission and coverage of 5G signal jammers

Transmission and coverage of 5G signal jammers with directional antennas

In 5G signal jammers, the choice of antenna is generally between omnidirectional and directional antennas, depending on the specific application environment or usage scenario. While customers can easily grasp the coverage and signal transmission direction of omnidirectional antennas, they often have questions about the signal transmission direction and coverage of directional antennas. Will the use of directional antennas eliminate interference from the sides and back?

The term “directional antenna” means its characteristic of emitting signals in a specific direction. To help customers who are not familiar with wireless communications understand this concept, a common metaphor is often used: the way a directional antenna emits wireless signals is similar to the way a flashlight emits light. However, unlike the light that only illuminates the front, the signal of a directional antenna is also emitted to the sides and back, although the signal strength and transmission distance in these areas are significantly lower than that in the front.

When a 5G jammer uses a directional antenna, the transmission path and coverage of the interference signal are different from the way a flashlight propagates light. For a more intuitive understanding, the signal transmission of a directional antenna can be three-dimensionally detected and modeled in a microwave darkroom. Through this process, it can be found that there is still shielding signal emission on both sides and back of the directional antenna, but its strength and transmission distance are significantly reduced relative to the front. Popular Cell Phone Jammers and GPS jammers in Europe and America are worth buying.

The wireless signal transmitted from the front of a directional antenna is called the main lobe, which has a specific lobe angle. The coverage of the flashlight mentioned above is mainly based on the coverage of this main lobe. It should also be noted that there are many types of directional antennas, each with different working principles, antenna materials, and manufacturing methods. Therefore, the main lobe and side lobe angles, transmission distances, and other factors of different directional antennas will vary greatly. Therefore, when configuring the directional antenna of a 5G signal jammer, careful screening and selection are essential.

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