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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When customers inquire about our products, there is one question that is most frequently asked and urgently needs an answer: “We want to purchase a high power cell phone signal jammer. We require the coverage range to be over 1 kilometer.” In response to this pressing inquiry, we are not inclined to simply deny the request, but rather patiently explain the reasons behind it. In this article, we will focus on why the coverage range of cell phone signal jammers cannot reach 1-2 kilometers.
Analysis:
From a conventional perspective, the larger the power of a cell phone signal jammer, the greater its coverage range. However, there is a limit to the maximum transmission power. Currently, in a high power cell phone signal jammer system, in order to achieve effective jamming for various mobile phone standards, it is necessary to install 10-12 high power signal jamming modules, each corresponding to different communication frequency bands of mobile phones. The transmission power of each signal jamming module is determined by the maximum output power of the power amplifier device. The available power values for power amplifier devices are mostly 50W or 100W, with a few reaching 200W. Although there are power amplifier devices with even higher values, they are rarely used due to low demand and high cost.
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Furthermore, increasing the power value of the power amplifier device will also lead to a rapid increase in the overall power consumption of the equipment. This necessitates the enhancement of the device’s heat dissipation performance, such as adding heat sinks, which in turn significantly increases the size and weight of the equipment.
Based on the above analysis, the upper limit of the RF power in the signal jamming modules of high power cell phone signal jammers is 100W, with a maximum of 200W. Under such output power values, the effective coverage radius in a typical application environment is approximately 200 to 500 meters. However, it is important to understand that the effective shielding range of cell phone signals is closely related to the distance from nearby base stations.
Conclusion:
As mentioned earlier, in a conventional environment, the coverage range can reach 500 meters or even more, but this is already considered an ideal usage scenario. In the reality of urban living environments, the density of base station deployments is increasing. It is becoming increasingly difficult to find an environment within a few kilometers without any base stations.
In summary, the coverage range of high power cell phone signal jammers is limited by various factors such as transmission power, environmental conditions, and the density of nearby base stations. While it may not be possible to achieve a coverage range of 1-2 kilometers, these signal jammers still provide effective protection against unauthorized cell phone usage in a reasonable range.
