What if the signal jammer cannot block mobile phone signals?

Mobile phones have become ubiquitous in today’s society, with almost everyone owning one and using it for an average of 5-6 hours a day. However, in some cases, the use of mobile phones is inappropriate and can disrupt the peace of certain places such as meeting rooms, courts, public libraries, and schools. Although there are regulations prohibiting the use of mobile phones in these places, simply relying on people to abide by the rules may not be effective. To address this problem, many special occasions have installed and used a device called a signal jammer to prevent mobile phone use from disrupting the quiet environment. Signal jammers can block activities such as watching TV, answering calls, listening to music, and playing games, thereby improving the overall experience of public places. In addition, the use of signal jammers has also helped organizations reduce employment costs.

However, in some cases, signal jammers may not be completely effective. For example, in some meeting rooms, full-band signal jammers can effectively block signals from China Telecom and China Unicom, but may not block mobile signals or have a limited blocking range. This is usually because the mobile phone signals of Unicom/Telecom are weaker than those of Mobile, and the signal jammer has strong shielding capabilities. The signal jammer and the base station work in the same frequency band. The signal jammer emits radio wave signals to suppress the base station signal. The signal jammer’s single-channel signal strength is generally 2-3W, which cannot suppress the strong signal of the base station, resulting in the cell phone jammer failing to achieve effective shielding effect.

One solution to this problem is to use a signal jammer with an independent control module, which has an independent power supply and high mobility. The high-power signal jammer 1438 high-power device provided by JAMMERSIGNAL Information Technology Co., Ltd. consists of independent control modules. These modules can be used alone or in combination to achieve comprehensive signal shielding. In the case where the mobile phone signal cannot be effectively shielded, the mobile control module can be upgraded and combined with the low-power signal jammer to achieve comprehensive shielding. This method can better control the use of mobile phones in specific environments.

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