
Signal jammer plays a crucial role in exams
In order to prevent people from carrying some mobile phones or electronic devices to cheat during exams, as well as high-tech cameras and transmission devices, the school will set up a small signal jammer. In every exam venue, this type of signal jammer is set up. Once the relevant signal blocking devices are activated, although these electronic devices can continue to be used, they can only be in a state without networking and cannot communicate with the outside world. In comparison to some important large-scale exams, in order to prevent various factors from occurring and ensure the authenticity of everyone's exams. We can only adopt such a high-tech approach to achieve comprehensive avoidance.
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