Signals are to be shielded in many places now, so the How To Make Portable Cell Phone Jammer system is particularly important, but in many cases it is only necessary to shield a certain point or a certain piece of signal. To accurately shield the signal in one place, you need to adjust the frequency. For all kinds of large and medium-sized examinations, fairness and justice are the basic principles of society, and there are many examinations in life, from small to junior high school entrance examinations, to college entrance examinations, civil service examinations and other national examinations. In order to prevent candidates from cheating, in various large and medium-sized exams, it is necessary to use mobile phone signal jammers and other technical means to shield the signals in the examination room. cell phone jammer It meets the needs of mobile phones unable to communicate and access the Internet, so that it can also prevent candidates from being concealed.
When many agencies or companies hold large-scale meetings, in order to prevent the content of the meeting from being eavesdropped on, you can install How To Make Portable Cell Phone Jammer to improve the confidentiality of the meeting. When the leader is in a meeting, open the mobile phone signal jammer to shield the mobile phone signal. The leader speaks happily and listens carefully. Some areas that require severe control require better mobile phone jammers, and the degree of confidentiality is very high, so mobile phones should be strictly controlled. Shielding cell phone signals in special areas can greatly prevent the occurrence of leaks. When choosing a mobile phone signal jammer, you can select it according to the applicable scene. If the venue is larger, you can choose a mobile phone jammer with higher Power . Signal jammers are widely used and may affect other people's use of mobile phones, so you must pay attention to whether your signal shielding system is selected correctly.
