• 2023-04-02

A frequency jammer is a device that interferes with communication between a mobile phone signal and a base station when receiving signals using a mobile phone. They are widely used in special places such as meeting rooms to address threats such as leaked information from mobile phones. It can block ...

• 2023-04-02

Signal jammers have become standard equipment for exams. Not only for the middle school and college entrance exams, but also for graduate exams, civil service exams, and various qualification certificates. Signal jammers are needed to prevent candidates from communicating with the outside world thro...

• 2023-04-02

High power signal jammer is a device that can block or interfere with wireless signals of a specific frequency band. It can be used to protect important places, personnel, and equipment from interference or threat from wireless signals. The working principle of a high-power signal jammer is to use h...

• 2023-04-01

The intelligent interference machine, an active anti cheating device in various examination halls, plays a crucial role in purifying the atmosphere of the examination hall and maintaining the fairness of the exam. Don't underestimate this intelligent interference machine, it is a good helper to prev...

• 2023-04-01

In many cities, special police officers and public security officers are generally equipped with a vehicle jammer. The main core component in the jammer is the host computer, which is composed of multiple radio frequency band modules. Depending on the tasks performed, vehicle jammers can also select...

• 2023-04-01

Due to the widespread popularity and application of 5G mobile phones in recent years, customers who have a demand for desktop jammers have to face a problem: in all places where mobile phone shielding is required, signal shielding for all 5G mobile phones must also be completed. As a manufacturer, w...

• 2023-03-26

When using communication signal blocking devices such as frequency jammers, it is necessary to achieve reasonable compliance and try to ensure that other people's communication and signal shielding requirements are met without delay. When using signal shielding products, it is necessary to achieve r...

• 2023-03-26

During normal communication, a mobile phone converts all operations on the phone into data, and then transmits the data through electromagnetic waves. Electromagnetic waves associate mobile phones and signal base stations within a certain frequency range, and then complete data conversion and transm...

• 2023-03-26

In order to ensure exam order and avoid unnecessary cheating methods, signal jammers are used during some important exams, and usually one is placed in each exam room. In addition to the examination room, the conference room is also a relatively common use of signal jammers, especially in meeting pl...

• 2023-03-24

With the development of signal jammers for decades, there are many types of signal jammers, which are classified differently in terms of power levels, types of interfering signals, and interference directions. Here, we focus on shielding an important branch of mobile phone signals: conventional low-...