• 2023-02-19

The use of cheating means in the examination will also increase the difficulty and pressure for the maintenance of discipline and order in the examination room. The main means of cheating is the use of communication equipment. At this time, there is a need for the existence of equipment that can int...

• 2023-02-12

In today's communication era, there are more and more places where interference equipment is needed, such as meeting rooms, schools, detention centers, gas stations, airports, etc. The main way of the wireless jammer is to transmit the jamming signal frequency band to interfere with the signal frequ...

• 2023-02-12

Now mobile phones have become a necessary tool for going out, and the demand has changed a lot, while some places do not need it, which has led to the derivation of signal jamming products. How do these products interfere with communication signals? First of all, we need to understand how communicat...

• 2023-02-12

Cheating will be caught every time in the exam, which is very bad, and these means of cheating require communication equipment, which cannot be separated from signals. The signal jammer, as its name implies, is aimed at the signals used by some communication equipment to interfere with them or make ...

• 2023-02-06

Some common jamming devices at ordinary times mainly transmit jamming signals of various frequency bands to interfere with the signals used by mobile phones. The wireless jammer transmits interference signals of various frequency bands, which seriously damages the on-site environmental signals, and ...

• 2023-02-06

In peacetime, the application of mobile communication equipment has enriched people's daily life and greatly promoted the development of social economy. At the same time, the uncontrolled use of mobile electronic devices such as mobile phones has made some examination places, private places and secu...

• 2023-02-06

Mobile phones have many functions. In this era of short video, more people can use mobile phones to watch movies, chat and so on. However, some people intend to use the convenience of mobile phones to cheat in the exam. This is a very bad behavior, not to mention it, and it is also a prohibited beha...

• 2023-01-30

Nowadays, people's main way of communication has changed from using landlines and telephone booths in fixed and rigid positions to communicating at any time and anywhere. At the same time, this has brought a new test to social information security. However, the use of mobile phones to cheat in exami...

• 2023-01-30

Now, according to the analysis of the signal communication principle, we can synthesize a variety of interference methods for wireless signal to interfere with the signal. At present, the signal jammer scans the channel from the low frequency to the high frequency at a certain rate during its operat...

• 2023-01-30

The mobile phone itself has the function of calling and surfing the Internet through mobile signals. Its principle is that the base station transmits the signals to the mobile phone through radio electromagnetic waves, so that the mobile phone can contact the base station. Each radio wave in the sig...