Professional Technology Blog At Perfectjammer

In school exams, in order to prevent students from using mobile phones to transmit information, leak test papers, and cheat in exams, some also prevent teachers from leaking test paper information on the way to escort the test papers, which will have a bad impact on the later exams. The trouble of purchasing mobile cell phone […]

Midsummer June is about to usher in the high school entrance examination and college entrance examination. In order to ensure the quality of the examination, many schools have already started preparing for the examination room in advance. In the process of preparing for the examination room, there is a very important thing, that is to […]

In order to ensure the best effect of the signal, in general, the installation of more than one meter and less than three meters has the best effect. The cell phone jammer is relatively small and can be fixed on the ceiling or wall with ordinary screws. Of course, it can also be used directly on a […]

Although a mobile phone is a wireless communication device used wherever it goes, there is also an invisible line dragging it, which is the mobile phone base station. Whether a mobile phone makes or receives a call, the first step is to establish a connection with a nearby mobile phone base station. If you hold […]

The entire frequency band of electromagnetic waves ranges from the smallest few Hz to the largest tens of hundreds of GHz. The range is very large. Each segment may be used as a communication signal. However, except for a small number of very professional equipment, ordinary mobile cell phone jammer All of them are “not loud enough” […]

In fact, there is basically no hope for mobile cell phone jammer to make mobile phones cheat, but cheaters can also use their own communication tools. Most of the cheating communication tools sold are of this type). The frequency band used by these illegal communication tools can be selected outside the frequency range of the mobile phone […]

There is a radio monitor that can help with electromagnetic signals in those frequency bands that cell phone jammer don’t care about. Before the start of the test, the signal strength generated by various legal radio wave devices such as mobile phones, radios, and televisions around the test room are recorded in the test room. All the […]

Many domestic electronic mobile phone jammers have a variety of products in the sales market, and the brands are also showing a situation of blooming. So far, we have 12 years of experience. With excellent consumer user evaluation and the professional strength of our own products, we have come a long way. Our company now […]

In the past few years, various types of mobile cell phone jammer have emerged in an endless stream, and everyone is dazzled and dazzled, but in fact not all products are suitable for everyone to use themselves, some products are public, so not It is suitable for everyone to use in other fields. There is a very […]

The wireless signal jammer is mainly used in the examination room, not limited to the examination room, and can also be used in prisons, gas stations, mobile phone bombs, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor camps, conference rooms, theaters, churches, etc. Libraries, school dormitories, special security and confidentiality occasions (confidential […]