• 2024-07-07

Nowadays, almost every person has a mobile phone, which enables communication between two distant places. And in some places, there are derivatives of signal shielding products that do not require this. How these products interfere with communication signals? Firstly, it is necessary to understand h...

• 2024-07-07

Exam shielding devices are generally connected to base stations by intercepting electromagnetic waves and signals emitted by mobile phones. Interrupted communication between mobile phone and signal base station. The screening device in the examination room will emit random static electricity or nois...

• 2024-07-06

To make a signal jammer malfunction, the first thing to know is the working principle of the jammer.  How does a signal jammer make a phone lose signal. Can it malfunction without damaging the signal jammer? The principle of a jammer is to emit white noise interference signals with the same fre...

• 2024-07-06

In order to avoid interference from other factors during meetings and prevent the leakage of meeting content, using a mobile jammer is a correct choice. Mobile jammers suitable for use in conference rooms are mainly divided into built-in antennas and external antennas on the market. Therefore, shoul...

• 2024-06-30

The principle of communication devices such as mobile phones is to transmit signals to the phone through wireless electromagnetic waves based on the base station, so that the phone signal can be connected to the base station signal. Each radio wave in the signal frequency band has a different operat...

• 2024-06-30

As mobile phones bring convenience to people's daily lives, it is inevitable that some people will maliciously use their phones to engage in some bad behavior. For example, in the past, cheating in exams was mainly done by taking notes and carrying notes into the exam room, but now it is possible to...

• 2024-06-30

The signal interference device in the exam room is designed to prevent unexpected situations from occurring during the exam. In order to prevent people from carrying some mobile phones or electronic devices to cheat during exams, as well as high-tech cameras and transmission devices, the school will...

• 2024-06-28

The application of intelligent vehicle jammers is becoming increasingly widespread in modern society, especially in protecting important activities and maintaining public safety. The following will provide a detailed introduction to the usage of vehicle intelligent jammers. The vehicle intelligent j...

• 2024-06-28

As a portable and multifunctional wireless communication interference device, portable signal jammers have demonstrated their unique value and role in multiple fields of modern society. Here are some places where portable signal jammers may be used and their detailed explanations: 1、 Government agen...

• 2024-06-23

With the continuous development of communication technology, 5G shielding devices will face higher technical challenges. In the future, blockers need to have higher frequency band coverage and stronger interference capabilities to adapt to more complex communication environments. While pursuing tech...