If there is a base station near the examination room, will it affect the working effect of the signal jammer in the examination room?

Will the presence of a base station near the examination room affect the effectiveness of the signal jammer?

At the beginning of the new semester, the college entrance examination is approaching, and many educational institutions at designated examination sites have begun to purchase anti-cheating equipment including signal jammers and install them in the examination preparation classrooms. These devices can effectively shield signals, prevent candidates from cheating, and provide valuable assistance to invigilators. Signal shielding equipment is not unfamiliar to teachers and students, but there is a question: if there is a base station near the school and there is also a base station near the examination room, will it affect the function of the signal jammer?

To answer this question, we must first understand the working principle of the examination room signal jammer. When the mobile phone is in normal use, the mobile phone is connected to the base station through electromagnetic waves in a specific frequency band, and data and audio are transmitted using the specified baud rate and modulation method. The basic principle of the examination room signal jammer is to destroy the data signal through electromagnetic interference transmission. By transmitting a high-power signal of a specific frequency, disrupting the surrounding electromagnetic environment, and making it impossible for the mobile phone to receive and analyze the base station signal, the purpose of signal shielding is achieved. Popular WIFI jammers and GPS jammers in Europe and America are worth buying.

If there is a communication base station near the school, its transmission signal strength will be stronger, the anti-interference ability will be stronger, and it will not be easily interfered by the digital examination room signal jammer, thereby affecting the effectiveness of the signal jammer, which is a big challenge. So, how can we ensure the reliability and stability of signal shielding?

1. Considering that the examination room needs a comfortable environment, the higher the signal strength, the greater the heat and noise generated by high-power equipment. It is not realistic to modify such equipment. The existing low-power examination room signal shielding device can be improved to meet the necessary shielding requirements.
2. Most examination room signal shielding devices use omnidirectional antennas, but by replacing them with directional antennas, the shielding range can be expanded to meet the signal shielding needs of all examination rooms.
3. The direction of the directional antenna of the base station can be adjusted in coordination with the network operator responsible for the nearby base station. It is recommended to avoid pointing the wireless antenna at the examination room, thereby reducing the network signal strength of the base station. Alternatively, the network operator can temporarily deactivate the base station during the examination.

By implementing these measures, the interference caused by nearby base stations can be mitigated to ensure that the signal shielding of the examination room is more reliable and effective.

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