With the progress of society and the development of high technology, people's standards are getting higher and higher. Nowadays, mobile phones have generally become a living habit of adults and children, and the impact on elementary and middle school students is even more important. It is important to play with mobile phones for a long time. It may affect eyesight, and even more serious is a waste of homework. Since the advent of the mobile phone signal jammer, it has been trusted by examination rooms, schools, prisons and other units. In fact, mobile phone signal jammers are nothing new abroad. In recent years, they have begun to be sold in the domestic market! Jammers only interfere with mobile phone signals and will not affect electronic equipment such as mobile base stations. Nowadays, many elementary and middle school students, everyone holding a mobile phone, some are addicted to games, some are addicted to novels, etc., which are more harmful to school exams. Baidu has answers. If everyone in the exam plagiarized with their mobile phones, it would be a violation of the exam.

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The latest 2G 3G 4G portable jammer kit. In addition to interfering with 4G LTE and 4G Wimax signals, CDMA, GSM, DCS, and 3G signal capabilities must also be avoided. It is currently the most complete and powerful interference device. You can select the signal you want to block. up to you. If you don't want to block one or two frequency bands, you can turn it off and then turn on other frequency bands. At the same time, the earpiece jammer can still block signals in other frequency bands. Depending on the signal length of the mobile phone, the interference range may be as long as 15 meters. It has very good features! You should beware of mobile phone jammers. Another advantage is that you can use the car charger in the car to provide you with more convenience. In addition, it has a cooling fan, so its operating temperature is not very high. If so, it can work in hot summers and cold winters. All in all, it is a perfect mobile phone jammer in terms of function, price or quality.

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If your phone is always out of signal, can you still hold on? I believe you will feel uncomfortable holding a cell phone without signal. At this time, everyone will think of installing signal jammers. Yes, installing a signal jammer is the easiest and most cost-effective way to solve local signal problems. Wireless communication relies on the propagation of electromagnetic waves to establish a communication link. However, due to the continuous development of various buildings and traffic roads, which are blocked by buildings, there are still some weak links in wireless communication in some high-rise buildings, basements, shopping malls, restaurants, homes, and entertainment venues. Can't satisfy customers. It often happens that the indoor mobile phone signal is not good and the mobile phone cannot be used normally.

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