School can use a mobile phone jammer?
Before discussing whether to use cell phone jammer we must understand the use of mobile phones to the harm of children. Electronic equipment emitted blue light will cause irreversible damage to the eyes. This is why more and more children begin to wear glasses. In order to protect children's eyesight, France has a regulation, of primary and middle school students in the school is illegal to carry mobile phones. However, there is no similar regulations in the United States. Many school leadership in order to protect students' eyesight have to use this kind of jamming equipment