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  • What factors determine the interference range of the interferometer?
    • Apr , 04 2023
    What factors determine the interference range of the interferometer?

    The shielding range of an interference meter is mainly determined by the following factors. 1. The magnitude of the transmission power of the jammer itself at various frequency bands. Theoretically, the larger the transmission power, the larger the shielding range. And is related to the frequency band of the signal frequency transmitted in this frequency band. If the transmission power is the same...

  • How to install a network shield in a detention center?
    • Apr , 04 2023
    How to install a network shield in a detention center?

    An important task in the management of detention centers is to prevent internal personnel from communicating with the outside world. Therefore, many detention centers have installed network shields. Generally, the detention center will layout the network shield to ensure that internal information and communication are in a closed environment. However, detention centers have relatively strict requi...

  • What are the advantages of using indoor signal distribution for intelligent shielding systems?
    • Apr , 04 2023
    What are the advantages of using indoor signal distribution for intelligent shielding systems?

    In order to prepare for the college entrance examination in June and the middle school entrance examination in July each year, many schools that will soon be used as examination venues have already begun to construct standardized examination venues. According to the construction standards of standardized examination halls, the intelligent shielding system is a project that must be well constructed...

  • What are the main aspects of the intelligence of the intelligent interference system?
    • Mar , 20 2023
    What are the main aspects of the intelligence of the intelligent interference system?

    In recent years, various types of smartphone shielding system related products emerge in an endless stream, and each manufacturer is pushing forward new products and constantly overlaying and expanding product functions, so what aspects of the system's intelligence is mainly reflected in? What are its basic functions and performance metrics? Firstly, it can effectively block 2345G signal, WiFi and...

  • Does the mobile phone signal shield in the test room have electromagnetic radiation?
    • Mar , 20 2023
    Does the mobile phone signal shield in the test room have electromagnetic radiation?

    At present, as long as the various examination items are more formal or highly concerned, the purpose of installing the mobile phone signal shielding device in the examination room is to prevent the candidates taking the examination, and stealthily use wireless communication tools such as mobile phones to cheat illegally during the examination process. Over the years, from time to time, some candi...

  • How should the old smart phone shield be maintained and upgraded?
    • Mar , 20 2023
    How should the old smart phone shield be maintained and upgraded?

    Because 5G mobile phones have been widely used and applied in recent years, customers who need mobile phone signal shielding have to face a problem: in all places where mobile phone shielding is required, signal shielding for all 5G mobile phones must also be completed. So as manufacturers, we often have customers to find us and ask us: What should the old smart phone shield do to maintain and upg...

  • Which mode of power supply is the best for the car frequency interferometer?
    • Mar , 20 2023
    Which mode of power supply is the best for the car frequency interferometer?

    In recent years, many police departments have started to purchase and assemble vehicle-mounted frequency interferometers. Usually these customers provide a vehicle chassis for SUV, and then send the purchased frequency interferometer equipment to the vehicle refitting plant for refitting and assembly. Make it a qualified and satisfactory vehicle frequency interferometer. However, in the process of...

  • What preparations should be made before the examination room upgrades the 5G mobile phone smart shield?
    • Mar , 20 2023
    What preparations should be made before the examination room upgrades the 5G mobile phone smart shield?

    In a few months, it will enter the annual college entrance examination season and the middle school entrance examination season. Many schools have begun to strengthen the construction of standardized examination rooms in response to these tests. One of the important work contents is the need to comprehensively overhaul or upgrade the 5G mobile phone smart shield, so as to ensure that in the upcomi...

  • Why does the control system of signal jammer mostly adopt wired transmission mode?
    • Mar , 20 2023
    Why does the control system of signal jammer mostly adopt wired transmission mode?

    Because the use of mobile phones needs to be restricted in many occasions, installing signal jammers becomes the most effective way to solve this problem. After the comparison of product functions and support performance, the question arises. Why do the control systems of mobile phone shields mostly use wired transmission? At present, the common control system of signal jammer, whose multiple shie...

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