Understanding the Reasons Behind Inconsistent Signal Blocking
In recent years, cases of cheating during various national examinations using mobile phones have become increasingly prevalent, significantly undermining the fairness and impartiality of these tests. To address this issue, the government has mandated the use of mobile phone signal jammers during important examination periods to create a fair testing environment for all candidates. However, it is not uncommon for some mobile phones to still display signals despite the activation of these jammers. This article aims to shed light on the reasons behind this phenomenon and explore potential solutions.
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1. Mobile phones displaying signals and making calls without disruption:
If a mobile phone displays signals and can make calls without any issues, it indicates that the mobile phone signal jammer in the area is not effectively blocking signals. However, if the phone loses signal when brought closer to the jammer, it suggests the presence of a nearby base station or signal amplifier. This, in turn, implies that the current mobile phone signal jammer being used may not meet the necessary requirements for effective signal blocking. In such cases, it is advisable to install additional high-power mobile phone signal jammers to ensure comprehensive signal blocking.
2. Mobile phones displaying signals with poor call quality:
When a mobile phone displays signals but experiences poor call quality, it indicates that the mobile phone signal jammer’s blocking effect is at a critical state. While there is some level of signal blocking, the range of effectiveness may be unstable. The size of the signal-blocking range of a mobile phone signal jammer depends on the strength of the mobile phone signals in the location where it is being used. In areas with strong mobile phone signals, the jammer’s blocking distance may be reduced, whereas in places with weak signals, the jammer’s blocking distance will be greater.
In conclusion, the use of mobile phone signal jammers during examinations is crucial in maintaining the fairness and integrity of the testing process. However, it is essential to understand that inconsistent signal blocking may occur due to various factors such as the proximity of base stations or signal amplifiers. To ensure comprehensive signal blocking, it is recommended to employ high-power mobile phone signal jammers in areas where the standard jammers may not meet the required signal-blocking criteria. By implementing these measures, examination authorities can create a level playing field for all candidates and uphold the principles of fairness and justice in the examination system.