Mobile phone jammers are used on specific occasions
In this information age, technology is more and more developed, mobile phones are constantly being updated, and their functions are getting more and more powerful. Many people are already highly dependent on mobile phones, playing mobile phones when eating, playing mobile phones when going to school, or even walking on the street. Looking down at the phone.
Mobile phones have become a necessity in life. Almost everyone has one hand to pick up wherever they go. However, the mobile phone, a double-edged sword, has brought disadvantages while facilitating people's lives. People who are addicted to mobile phones are like taking drugs. A survey found that users with severe mobile phone dependence check their phones thousands of times a day on average.
Some students have trouble concentrating in school, and focus on stealing their mobile phones, which has a lot of impact on academics and vision. Some candidates use their mobile phones for cheating, which seriously violates the fairness of the exam. So, how can we solve the problems caused by these mobile phones?
It's very simple. Install a mobile cell phone jammer wherever you need it, and shield the mobile phone signal and WiFi signal on a specific occasion. Without the mobile phone signal and the Internet signal, everyone will not be able to use the mobile phone. This can achieve good expectations. effect.
How to choose a mobile phone signal jammer?
Mobile phone signal jammers are generated to reasonably and reasonably avoid and interfere with mobile phone-related signals, such as GPS, WiFi, 2G, 3G, 4G or 5G. It is mainly used in school examination rooms, prisons, detention centers, etc., which can effectively guarantee the fairness and justice of examinations, and some are used at home to prevent children from excessively indulging in the world of mobile phones. So how to choose a mobile phone jammer?
1. Choose the appearance of the mobile phone jammer according to the use occasion-there are external antennas and built-in antennas.
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Compared with the mobile phone jammer, the appearance is not particularly important, but the structure of the setting is different. From the appearance, mobile phone jammers can be divided into external antennas and built-in antennas. Since the antennas are externally mounted, the external antennas occupies a larger space than the built-in antennas; because of the antennas that extend outward, The external antenna is more stable.
2. Choose according to the power of the signal jammer-generally not recommended to use </p>
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The general power range is 10W-100W. Mobile phone jammers can generally be divided into low-power, medium-power, and high-power. Generally, it is not recommended to usesignal jammers, which will seriously interfere with the base station signal transmission and have a certain degree of damage to the human body radiation. For exams, schools, judicial exams, etc., it is recommended to recommend some medium-sized signal jammers with a power of 10-50W.
3. If it is used in an indoor place, the shielding device generally suitable for examination rooms, conference rooms, offices and other spaces can be low-power, and the gas station needs to use explosion-proof and high-temperature resistant.
If it is an open area outdoors, you need to use asignal jammer to reach a suitable distance. Especially there are certain requirements for wall penetration.
4. Choose according to the frequency requirements, which is known as 2G, 3G, 4G, and 5G signal jammers. Before buying, you need to know which signals you want to shield. Ordinary mobile phone signals (234G) can be selectively shielded. If you only block 2G, 3G or only 3G, 4G, this can be adjusted before leaving the factory, and there are also 2.4GWIFI, 5.8GWIFI and other frequency bands. Generally, ordinary signals can be quickly shielded.