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With the advent of 5G, 2G networks (GSM) will gradually disappear. People in the communications industry expressed different views on this issue. The most important thing is to understand the impact of the withdrawal of 2G networks on future user communications. The biggest role of 2G network is to provide voice service and SMS service for a large number of mobile users. Therefore, in the early days, we were able to successfully use feature phones to make calls and send text messages, and the 2G network supports feature phones. According to reports, the 2G network was able to implement certain Internet functions. Apart from making calls and sending messages, there seems to be no place to connect to the Internet. In the few years after the wireless jammer was introduced into the market, it has been widely used in various fields and gradually tends to be home-based. These devices are only used for defensive purposes, but have been changed, and now anyone can use them to protect their privacy. In fact, we even concluded that portable wifi jammers are very useful and every family should have one.

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The advent of the 3G network era makes it easy for people to access the Internet. Users still need to rely on 2G networks to make calls and send text messages. 3G can only guarantee normal Internet access. 2G is still the backbone of voice services and SMS services. The advent of 4G allows people to watch videos smoothly, but even with the new 3G, 4G and 5G networks, people can still use 2G networks to make calls and send messages. For convenience, and the 2G network will not stop using it, because basic calls and SMS services rely on the GSM network. As the most basic voice and text message communication network service, the GSM network has been adopted by all major mobile phone brands to realize the most basic communication services. Therefore, gps jammers can solve phone harassment or prevent loud calls.

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The development of technology allows smart phones to enter the homes of ordinary people, and you can buy mobile phones online at very low prices. In the era of communication and Internet, mobile phones seem to be an indispensable device for people, just like a part of people's body, people will almost never lose it. Mobile phones are common communication devices in any country or region in the world. Whether driving or in a restaurant, we can see many people using mobile phones. Some chat with friends on mobile phones, some on mobile phones, some on news, some on mobile games, etc. Mobile phones make people's lives more convenient. They can order food through their mobile phones instead of eating out and eat all kinds of delicious food nearby. They can buy their favorite clothes online instead of shopping according to their own shopping habits. They can even see their family members on their mobile phones through video phones. For the separation of two people, this undoubtedly provides them with a very good Good platform. Although mobile phones have many advantages, they make people's lives more colorful, but the abuse of mobile phones also brings people a lot of trouble.

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As a high-tech electronic product, smart phones are very popular in today's society. This is the main social consciousness. The dependence of most young people on intelligence makes their dependence on smart phones lead to the use and unreasonable use of many young people. It has caused many problems, so under what circumstances can the use of mobile phones be used and when should the use of mobile phones be prohibited? Important national qualification examinations will be used as blockers for high-power mobile phones. There is no doubt that mobile phones have experienced a huge revolution in our lives. Using mobile phones, we can connect to each other more easily. We can see more information about the world where mobile phones are popular on the Internet. It is almost certain that people cannot live without mobile phones now.

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Although the multi-channel design will inevitably increase the cost of the product, the ordinary mobile phone signal jammer of the communication suppression equipment cannot match the product. It is mainly aimed at some high-end users. This is a shielding effect and is designed for use. In all the domestic 3G past screenings, in the past 4G frequency bands, China Mobile, China Unicom and Telecom have launched the only downlink interference signals, uplink signals of green mobile operators that have never been electromagnetically polluted, and Super interference signal includes the use of mobile phone interference sub-shielding method. According to the law of electromagnetic field, the interference emitted by WiFi jammer into the surrounding space can propagate along the penetration direction. It also has it, but this may be because of "

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