The popularity of smartphones has caused many people to lose their basic tools?

Recently, many people use smart phones. Many people have the right to freedom of communication. Freedom of communication refers to the right of people to freely use communication methods such as letters, telegrams and telephones. However, there is a phenomenon that this right is abused. I had a cheating problem with my mobile phone in a recent exam. There are also phenomena such as wire transfer fraud using mobile phones in financial institutions. In many halls, mobile phones often ring and interfere with viewing. In order to prevent inconvenience caused by the ringtone of a smartphone, etc., it is necessary to promote public welfare such as ensuring the quietness of a specific space. We allow the installation and operation of mobile cell phone jammer. While using the right to freedom of communication, it is also important to disturb others. Don't break the rules. Using a mobile phone to take the college entrance examination violated the regulations. We cannot guarantee the fairness of the exam. There is also the risk of damaging the rights of others. Therefore, it is legal to install deterrent devices to prevent cheating. This is an effective method. This mobile phone jammer can prevent inconvenience caused by mobile phone ringing in public places.