As a device specially designed to block mobile phone signals, the cell phone jammer of the confidential network plays a vital role in the field of modern information security. Its application range is wide, covering many places that require high confidentiality and prevent information leakage, such as party, government, military, enterprises, examination halls, prisons, courts, and...
In this era of information explosion, enterprises, institutions and government agencies face two major challenges when holding meetings: mobile phone interference and information leakage. Frequent incoming call prompts and information vibrations during the meeting not only interrupt the rhythm of the meeting, but also may bring unpredictable information security risks. In order to effectively...
Overview of the principle of mobile phone signal jammer:
1. Introduction to the principles of mobile communication: The working principle of mobile phones is as follows: within a certain frequency range, mobile phones and base stations are connected through radio waves, and data and sound transmission are completed with a certain baud rate and modulation method.
2. Introduction to the principle...
There are many kinds of examinations in society at present, and the most influential one is the annual college entrance examination. This is the door for thousands of students to enter institutions of higher learning and the bridge for countless families to place unlimited hopes on. There are also entrance exams for master's and doctoral students, CET-4 and CET-6, high school entrance exams for...
Cell phone signal jammers are produced to reasonably avoid and interfere with mobile phone-related signals, such as GPS, WIFI, 2G, 3G, 4G, or 5G in the future. It is mainly used in school examination rooms, prisons, detention centers, etc., to ensure the fairness and justice of examinations, high school entrance examinations, college entrance examinations, or usual mock examinations. So...
People's communication methods have become more and more simple and efficient after the emergence of mobile phones, but at the same time, it has also brought great inconvenience to work in some places. Therefore, many places need to use signal jammers to block mobile phone signals to avoid normal Work is interrupted by mobile phones. So, what are the good properties that a signal jammer should...
When the mobile phone is working, it is within a certain operating frequency range. The mobile phone and the communication base station are connected using electromagnetic waves, and information and sound effects are transmitted with a certain serial port baud rate and deployment method. For this type of communication principle, the signal jammer for cell phone passes from the low-end...
There are many things we don't understand in our lives, such as the basic concepts of cell phone jammers. Let's learn about them below.
Mobile phone signal jammers have received unanimous praise from consumers. The earliest jammers were not actually developed for examination scenarios. In fact, the earliest use scenario was applied to prisons. Prisons require physical and information...
There are many occasions around us where the use of mobile phones is prohibited, such as examination rooms, offices, classrooms, factories, meetings, etc. In addition to handing over personal mobile phones to the security department for management in advance, signal blockers can also be used in these places. Mobile phone signals, Wi-Fi signals, and other network signals in special...
As a new technology electronic device, smartphones are very popular in today's society and are the main trend of social development. For most young people, unscientific use of it has caused many problems, so why use mobile phones and why should they be banned? What to prevent? Cell phone signal jammers can be used to prevent these problems, and cell phone signal jammers will be used in the...
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