Cell jammer law , cell jammer Iowa

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    • 2019-07-26
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    How does the reading room eliminate ringtones? - Jammer-buy Forum Cell jammer law , cell jammer Iowa

    Mobile phone ringtones are annoying for quiet places, and the reading room uses cell phone frequency jammer to ensure a quiet atmosphere. Whether in a school library or a large reading room in the city, the metropolitan installed a mobile jammer to eliminate ringtones. Ringtones are annoying, especially in big cities where the pace of life requires a quiet environment. The reading room is where people learn knowledge, and mobile phones should be banned here. People should not be disturbed by the ringing of their mobile phones.

    cell jammer law

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