Nowadays society, mobile phone is our daily essential items, almost manpower a mobile phone gives us a lot of convenience, but sometimes also cause a lot of inconvenience, which occasions need to avoid mobile phones, need to use cell phone signal jammer?

First: schools, major examination centres need signal blockers

School is a place to study, students addicted to mobile phones and classroom "small actions" greatly affects the academic, many schools will take to confiscate the mobile phone handed over to the way of mandatory education, but this not only greatly harms the self-esteem of the students, but also allows students to lose contact with parents in the outside world, the use of mobile phone signal shielding, can be in the classroom to learn! Time to shield the signal, students can play in their spare time to communicate, over time will form good learning habits. Relative to the examination room more need to pay attention to, fairness and justice is the basic norms of society, from primary school to university, civil service and other types of examinations essential, in the solemn examination room is not allowed to mobile phone ringing and cheating phenomenon, however, there are always some bad candidates will bring mobile phones into the examination room, so as to use the mobile phone communication for cheating, this time is available to the mobile phone signal shielding device, shielding the examination room, the mobile phone can not be networked with the outside world to communicate, can be a good way of communication with the outside world, the mobile phone signal shielding device, can be used in the classroom. The outside world for networking communication, can ensure fairness and justice to a large extent.

Second: companies need signal shielding

In the company's business, mobile phone signal shielding is also essential, the company leaders will hold large and small meetings, in these meetings, open mobile phone signal shielding, can make the meeting unaffected, not interrupted, improve the efficiency of the leadership meeting, the staff can also be more focused on listening to the content of the meeting, which can be said to be two birds with one stone.

Third, the concert hall, opera hall, etc. need signal blocker

Stage people are performing, the people under the stage if the use of mobile phones, it is likely to affect the performance of the people on stage. In order to ensure the normal performance of the concert hall, the field strength signal survey, accurate judgement of the concert hall field strength signal category, and then use the appropriate signal blocker.

Four: prisons, detention centres, etc. need signal blockers

The network is filled with a variety of prisoners in prison can also use the mobile phone questioning and a variety of prisoners using mobile phones and the outside world to contact the crime news, the prison, the guardhouse in the end can use mobile phones? Of course not, for these phenomena, the use of mobile phone signal blocker to block all contacts between prisoners and the outside world, to prevent prisoners from serving their sentences during the unlawful acts, improve the overall control of the security agencies. In fact, mobile phone signal blocker applicable scene is quite wide, because of their own signal shielding needs, many units will purchase and use mobile phone signal blocker. The use of mobile phone signal shielding must be consistent with their own needs, but also have to take into account the laws and regulations, have to be reasonable use of shielding, not because of their own shielding needs to the operator's communications, and even the base station to cause adverse effects.