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  • How does a frequency jammer work?
    How does a frequency jammer work?
    • 2023-07-30

    Communication equipment is ubiquitous, and some shielding equipment is necessary for these equipment. The main function of frequency jammer is to shield Mobile phone signal, so that the mobile phone can not operate normally. For places such as exam halls, prisons, gas stations, etc. that do not requ...

  • How does a telephone jammer work?
    How does a telephone jammer work?
    • 2023-07-30

    Telephone jammers are mainly designed for the use of computers, mobile phones, and other communication electronic devices through network servers, which inevitably result in the leakage of confidential information. Their appearance is mainly used to prevent the installation of this device in school ...

  • How does the signal jammer meet the signal situation in the exam
    How does the signal jammer meet the signal situation in the exam
    • 2023-07-30

    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 impacts on education and social security. Nowadays, exams are an important standard for measuring the level and q...

  • Can I use a remote control to remotely control an intelligent jammer?
    Can I use a remote control to remotely control an intelligent jammer?
    • 2023-07-30

    Those who have some knowledge of intelligent jammer products will find a phenomenon that, although it has been developed for about 20 years, it is rare to see the use of a remote control for switch control in the switching mode of intelligent jammers. In the 2G and 3G era more than a decade ago, it ...

  • How to choose the most ideal installation location for network jammers?
    How to choose the most ideal installation location for network jammers?
    • 2023-07-30

    In the current various types of exam processes, network interference machines have almost reached complete popularity, and they have become an important tool to maintain order in exam rooms and ensure fairness and impartiality in exams. During the process of building standardized examination halls, ...

  • What are the precautions for using mobile phone jammers outdoors
    What are the precautions for using mobile phone jammers outdoors
    • 2023-07-30

    Small power mobile phone jammers are commonly used to shield indoor Mobile phone signal under normal circumstances. And high-power mobile phone jammers are mostly used outdoors, with only a small portion used indoors, mainly to solve the problem of using high-power mobile phone jammers indoors in la...

  • How to use a mobile phone jammer correctly?
    How to use a mobile phone jammer correctly?
    • 2023-07-24

    Mobile phone jammers make mobile phones unable to connect to Mobile phone signal by cutting off the link between mobile phones and signal operators. Generally speaking, when we use mobile phones, mobile phones will send signals to the base station at the first time to connect with each other. After ...

  • How does the frequency jammer block the transmission of Mobile phone signal?
    How does the frequency jammer block the transmission of Mobile phone signal?
    • 2023-07-24

    When electronic communication devices are in normal use, they convert all operations on the device into data, and then transmit the data through electromagnetic waves. Electromagnetic waves associate mobile phones with signal base stations within a certain frequency range, and then complete data con...

  • What should signal jammers do when facing complex environments in both horizontal and vertical directions?
    What should signal jammers do when facing complex environments in both horizontal and vertical directions?
    • 2023-07-24

    Cheating in exams using communication devices can increase the difficulty and pressure of maintaining discipline and order in the exam room, and these communication devices are interconnected through signal transmission. At this point, it is necessary to shield the existence of interference devices,...

  • Is the directional antenna suitable for portable frequency jammers
    Is the directional antenna suitable for portable frequency jammers
    • 2023-07-23

    Recently, a customer inquired whether portable frequency jammers should be equipped with omnidirectional antennas or directional antennas when in use? Which one is more convenient and works better when used? I will answer these two questions for everyone. As the name suggests, portable frequency jam...

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