• 2023-04-16

In today's society, exams are an important standard for measuring the level and quality of talents. However, with the development of technology and the popularization of communication tools, the phenomenon of cheating in exams is becoming increasingly serious, which has brought serious negative impa...

• 2023-04-09

In regulatory venues, confidential meeting rooms, school examination rooms, and other places, in order to prevent issues such as leakage and cheating caused by the use of mobile phones, intelligent interference machines are usually used. When purchasing, besides interfering with the signal and inter...

• 2023-04-09

Radio frequency interference machines are often used in some large examination halls, and so far they are not uncommon. It has no malicious interference signals, on the contrary, it is a manifestation of maintaining fairness, in order to provide a fair environment for examiners. But many people are ...

• 2023-04-09

Nowadays, many companies respond to the wide variety of signals in the market and produce targeted products of the same type and different models. However, there is essentially no difference. When consumers make purchases, they still need to pay more attention to whether the products are inferior or...

• 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...

• 2023-03-26

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...