A Closer Look at Small Power Signal Jammers for Mobile Phone Signal Blocking
Signal jammers have undergone decades of development, resulting in a wide range of options categorized based on factors such as power, types of interference signals, and interference direction. In this article, we will focus on a significant branch of signal jammers – small power signal jammers – specifically used for blocking mobile phone signals. With the widespread use of mobile communication terminals, particularly smartphones, small power signal jammers have found extensive applications in places like examination halls and prisons. These jammers have gradually transitioned from interfering with 2G and 3G signals to the current 4G and 5G standards.
The Challenge of Increasing Interference Frequency Bands:
When designing and manufacturing signal jammers, manufacturers typically add corresponding interference frequency bands (interference modules) to cater to new mobile phone frequency bands. As a result, the entire device consists of multiple interference frequency bands stacked together and installed parallelly on the built-in heat sink of the full-frequency signal jammer. Consequently, with the addition of new frequency bands, the overall size of the device also increases gradually. The essence of a signal jammer lies in the combination of several interference frequency bands. However, the traditional approach of continuously adding interference modules and increasing the device’s size has its drawbacks.
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Drawbacks of Traditional Signal Jammers:
One major drawback is that whenever a new generation of frequency bands emerges, customers who have previously purchased signal jammers usually have to buy new models. The old devices become obsolete as they do not support the new frequency bands and lack upgrade options, resulting in significant waste. To address this issue, since 2008, we have designed, developed, and produced a new generation of modular full-frequency signal jammers.
Advantages of Modular Design:
Our approach advocates abandoning the practice of integrating multiple interference frequency bands into a single device. Instead, we propose pre-grouping fixed-use interference frequency bands and assembling them into modular structures. The final signal jammer only requires 2-3 modular structures for assembly. The key advantage of this modular design is that when faced with frequency band upgrades or technological advancements, customers can retain the modular structure of their existing full-frequency signal jammers and simply add a new modular structure for assembly.
The evolution of signal jammers has led to the development of small power signal jammers, which are widely used in environments such as examination halls and prisons. However, the traditional approach of continuously adding interference modules and increasing the device’s size has its limitations. The introduction of modular design in signal jammers offers significant advantages, allowing customers to upgrade their devices without discarding the entire unit. This approach not only reduces waste but also provides a cost-effective solution for adapting to evolving mobile phone frequency bands.