How to Build a GPS Jammer at Your Home
Here’s a step by step guide on how to build your own GPS jammer. Below are the main steps we are going to introduce in
27 November 2023
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In recent years, there have been frequent incidents of cheating and fraud during school examinations. With the advancement of technology, mobile phones are capable of performing various tasks, making it a growing concern for educational institutions. To ensure the security of examination information, many universities and colleges have started using Cell Phone Jammers in examination halls. In this article, we will discuss the working principle of Cell Phone Jammers and how they disrupt mobile phone signals.
Understanding Signal Jammers:
A signal jammer, also known as a Cell Phone Jammer or examination hall signal disruptor, is a device that interferes with the wireless network on which mobile phones rely for communication. By implementing electromagnetic interference on the same frequency, the jammer disrupts the normal functioning of mobile networks, thereby achieving its intended purpose. It is important to note that signal jammers only disrupt mobile phone signals and do not affect other electronic devices.
Working Principle:
To effectively interfere with the mobile network, the signal jammer must ensure that the signal strength it emits is significantly higher than the signal strength of the mobile signal broadcast channel (BCH) in the interference area. The closer the interference location is to the base station, the stronger the BCH signal strength, and the smaller the effective interference area.
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During mobile communication, phones establish a connection with the base station through an uplink frequency and then transfer the signal to the Mobile Switching Center (MSC) for call processing. The Cell Phone Jammer disrupts this communication process by emitting signals on the same frequency, causing interference and preventing normal communication.
Importance in Examination Halls:
The use of Cell Phone Jammers in examination halls is crucial to maintain the integrity and fairness of the examination process. By preventing students from using their mobile phones, the jammers eliminate the possibility of cheating through text messages, internet access, or other means of communication. This ensures that all students are evaluated solely based on their knowledge and abilities, promoting a fair and unbiased assessment.
Conclusion:
The increasing incidents of cheating during examinations have prompted educational institutions to prioritize the issue of information security in examination halls. Cell Phone Jammers have emerged as an effective solution to prevent unauthorized communication and maintain the integrity of the examination process. By understanding the working principle of these devices, we can appreciate their significance in ensuring fair evaluations and upholding the standards of education.
