The school is responsible for the students when in..

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The school is responsible for the students when installing mobile phone signal jammers | #wifi jammer

The school is responsible for the students when installing mobile phone signal jammers

The school is responsible for the students when installing mobile phone signal jammers

The operator announced that during the review period, the use of wifi jammer will be activated in accordance with the requirements of the Education Bureau, which will affect the communication quality of mobile phone users around the school.

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