Full band interference devices are widely used to shield signals in various scenarios. However, due to the influence of factors such as nearby communication base stations, the effective coverage range of the shielding signal may not always meet the desired outcome. In such cases, people often seek methods to expand the coverage range of the interference device. This article explores two approaches to achieve this objective.
Analysis of the Interference Device:
To begin with, it is essential to analyze the interference device itself. Several factors can affect the coverage range. Firstly, it is crucial to ensure that the interference device is a qualified product from a reputable manufacturer. Additionally, the working frequency range of the device should be accurate, without any excessive bandwidth that may result in a decrease in average output power. The frequency division of the interference device should also be reasonable, avoiding excessive merging of frequency bands. Furthermore, the gain value of the antenna accompanying the interference device should be ideal. If the antenna’s gain is only 1-2dB, replacing it with a 3-5dB gain antenna will significantly enhance the shielding effect.
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Analysis of the Installation Environment:
Apart from analyzing the interference device itself, the installation environment and surrounding factors also play a crucial role in expanding the coverage range. Firstly, the method of installation, whether wall-mounted or placed on a desktop, should be considered. The height of installation is also important, with a recommended height of approximately 1.8 meters. The installation position of the interference device should be selected along the transmission path from the base station to the site, preferably near a window in the room. However, if a larger coverage range is desired, a simple and direct approach is to use a more powerful interference device.
Expanding the coverage range of a full band interference device requires a comprehensive analysis of both the device itself and the installation environment. Ensuring the device is from a reputable manufacturer, with accurate frequency range and reasonable frequency division, is crucial. Additionally, using an antenna with higher gain can significantly improve the shielding effect. Considering the installation method, height, and position in relation to the transmission path and surrounding environment is also essential. By implementing these measures, the coverage range of the interference device can be effectively expanded.