Phone signal is harmful to the human body. Is the phone signal harmful to the human body or the phone? Ensure that the signal jammer on the mobile phone has a very weak electromagnetic signal, and please rest assured that the test data shows that the signal strength is harmless to the human body. At the same time, the signal jammer of the mobile phone only blocks the forward signal of the phone, so the WiFi jammer phone cannot connect to the base station, and the phone itself is not damaged. Is there a difference in the distance used between the mobile phone signal and outdoor equipment? The effective distance (30-40 meters) of the mobile phone signal jammer usually refers to the indoor distance. In open outdoor areas, the effective distance of the protective cover can reach hundreds of meters. Regardless of whether the gps jammer is indoors or outdoors, the effective length of the shielding, and the distance from the base station, it should be noted that they are related to general environmental conditions such as installation location. Therefore, when using signal jammers in mobile phones, this factor needs to be carefully considered to avoid blocking blind spots, thereby affecting the shielding effect.
Is it possible for a company, organization or school to block the phone signal? Is it legal? It is found that employees do not have cell phone signals in the production workshop during working hours. Facts have proved that mobile jammers are installed for production and personnel concentration. Company managers recently admitted that they have begun to try to use signal shielding methods to regulate employees’ production control. The main purpose of adopting this method is to promote safe production and ensure employee efficiency. The company can set up fixed telephones so that they do not affect the work of emergency contacts and operate through these fixed telephones in an emergency. Taking the college entrance examination is an important part of this city. In order to prevent the canned college entrance examination, we will introduce a mobile jammer in the college entrance examination room. Mobile phone signal jammers can interfere with 3G mobile phone signals. In the civil service examination, cheating was republished by the press. There are also frequent reports of fraudulent activities in 3G mobile phones. This means that you are using a signal jammer for a 3G mobile phone. Some mobile phone jammers are increasing their 4G signal jamming capabilities. It supports college entrance exam management for high-tech cheating in various local exams. In order to strengthen our response to fraudulent activities in the college entrance examination, we installed a mobile phone shielding device during the college entrance examination.