The vehicle jammer system is composed of a high-power full frequency band onboard wireless signal shield, RF omnidirectional antenna, feeder, power supply, and other systems. This product is based on the principle of mobile communication and adopts DDS digital widescreen scanning technology. It can ...
In daily life, frequency jammers are established to interfere with the operation of communication equipment. This device cannot affect the application of the mobile phone based on the data signals received by the communication base station, and can only be adjusted specifically for the mobile phone....
What should a wireless jammer do when facing mobile phone signals? When using a mobile phone, all operations on the phone are converted into data, which is then transmitted through electromagnetic waves. Electromagnetic waves associate mobile phones and signal base stations within a certain frequenc...
Why do blockers frequently appear in schools, and signal jammers have a new 5G signal blocking technology with high interference effects, mainly used in the communication area of the exam room, effectively blocking mobile phone signals in the exam room and ensuring its fairness. The current signal b...
Mobile phone jammers are devices that cut off the connection between the phone and the signal operator, preventing the phone from connecting to the phone signal. Usually, when we use the phone, the phone sends a signal to the base station to connect to each other. After connecting to the base statio...
When using some types of signal shielding devices in daily life, it is necessary to ensure that they do not interfere with communication in other places. The use of these signal shielding products should be reasonable and compliant, ensuring that they meet the needs of signal shielding and other com...
The main means of cheating is the use of communication devices. If someone uses cheating methods during the exam, it will increase the difficulty and pressure of maintaining discipline and order in the exam room. At this time, it is necessary to have different devices that block signals. I believe t...
Mobile phone signal jammers with external antennas are generally made of metal shells. It refers to the fact that the body of the mobile phone signal jammer is made of metal material, usually aluminum, which is used as both a shell and a heat sink. So what are the advantages and disadvantages of thi...
The vast majority of common network jammers on the market do not have power regulation functions, such as those used for signal blocking in exam halls or conference halls. However, there are still some customer groups who hope that network jammers have power regulation functions. The purpose of doin...
Choosing to use mobile phones for cheating in exams poses a huge challenge to maintaining fairness in exams. This requires fully utilizing the role and performance advantages of intelligent interference machines to ensure that all behaviors of cheating through cheating tools such as mobile phones ca...
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