How to Block Drones with a Drone Jammer
In an age where the sky is dotted with drones, the importance of drone jammers has never been more significant. From commercial deliveries to personal
29 November 2023
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In recent years, with the improvement of security protection standards and the continuous enhancement of emergency response plans for various emergencies, special operations departments of the armed police or public security have equipped themselves with high-power vehicle-mounted Signal Jammers. This has sparked a discussion on whether to choose omnidirectional antennas or directional antennas for these devices. In this article, we will focus on analyzing the advantages and disadvantages of using directional antennas for vehicle-mounted Signal Jammers.
Advantages of Using Directional Antennas:
When choosing directional antennas, the main advantage lies in the significantly increased effective jamming distance in the direction covered by the main lobe of the antenna. If the main lobe is directed towards the front of the vehicle, using directional antennas will make the front of the vehicle the main coverage area of the jamming device. Although there will still be some signal jamming effects on the sides and rear of the vehicle within a certain distance, the effective jamming distance will be greatly reduced compared to the front of the vehicle. This advantage of using directional antennas is particularly suitable for scenarios where the target location is clear and targeted signal jamming is required without causing unnecessary interference to the surrounding environment.
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Disadvantages of Using Directional Antennas:
When comparing directional antennas with omnidirectional antennas, it is evident that directional antennas have larger physical dimensions. This can make it inconvenient to install the jamming device and the accompanying antenna on the vehicle, as the directional antenna may be difficult to camouflage or may fall over. Additionally, since directional antennas are mostly in the form of panels, the outer shell of the antenna will create a large wind-facing surface when the vehicle is in motion. This can result in increased wind resistance, especially during high-speed driving, which places high demands on the wind resistance and fixing components of the directional antenna.
Conclusion:
In conclusion, the choice between omnidirectional antennas and directional antennas for vehicle-mounted Signal Jammers depends on the specific requirements of the operational scenarios. While directional antennas offer the advantage of increased jamming distance in the main lobe direction, they also come with the disadvantages of larger size and potential wind resistance issues. Therefore, it is important to carefully consider the pros and cons before deciding on the appropriate antenna configuration for vehicle-mounted Signal Jammers.
