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As the college entrance examination season is approaching, many schools are facing the problem of preparing for the college entrance examination room, such as the purchase of materials and equipment, which are necessary to maintain the order of the examination room. However, what more schools are now facing is how to prevent the increasingly rampant cheating phenomenon, because some people choose to use "black technology" to use communication equipment to cheat in the examination room. In response to this phenomenon, the examination The mobile cell phone jammer also came into being. This kind of equipment can prevent the occurrence of electronic signal cheating in the examination room in an orderly manner.

Recently, many students reported that they have seen a new batch of new machines installed in the classrooms of the school, which made many people wonder what it is. In fact, it has been vigorously promoted and installed in the classrooms of the examination room. The equipment of the signal jammer is now used in the major examinations in the school, and when the college entrance examination is approaching recently, basically every examination room has been installed with this kind of equipment. This is to prevent more and more problems in recent years. The more serious the phenomenon of cheating occurs, the candidates can take exams with peace of mind in a stable and orderly examination room.

The frequency bands of general 4G signals and WIFI signals are between 800MH and 26000MH, and the test WiFi signal blocker is a device that can effectively block all communication signals in this frequency range, so whether it is a 4G signal or a WIFI signal, It's all out of the question. And now facing the arrival of the college entrance examination, some candidates who do not focus on their studies and want to cheat by illegal means, the wifi jammer is undoubtedly a powerful tool to break their intentions, which can maintain the normal order of the examination room and allow the examination room The test takers can take the test with peace of mind, and there is no noise during the use of this equipment, which can ensure that the test process will not be disturbed by the test takers.

Many people are also very curious about how the test 4G jammer counteracts the occurrence of these cheating phenomena. In fact, based on the method of cheating by using communication equipment, no matter what method is used, it is necessary to send and receive signals in the test room. However, in the test The signal jammer cannot receive any signal in the effective shielding range, because it has the function of isolating communication signals and WIFI signals. This range is generally about 0 to 50 meters in radius, and a low-power device can just cover it. We live in one classroom, so all we can see is that each classroom has a computer installed. In fact, for schools, when buying test signal jammers, you must choose high-performance ones, because in this way, a strong shielding effect can be guaranteed and every part of the test room can be covered.

In today's life, 4G network and WIFI have become indispensable things in life. All mobile phones and computers must go through this channel if they want to connect to the Internet. It can be said that without 4G and WIFI, mobile phones and computers will be gone. The ability to contact the outside world, but also 4G and WIFI give us too much convenience, some people try to use this convenience to choose to cheat in the examination room, then as a specially developed 4G jammer to counteract these cheating using communication equipment Can it effectively isolate 4G signal and WIFI signal?

The college entrance examination is coming soon. I believe that many candidates are working hard to review and prepare for the college entrance examination, and the school is also actively preparing for the personnel arrangement and equipment preparation of the examination room. Among them, the most concerned is the signal jammer, which is a This kind of equipment is used as a means of counteracting the electronic signal cheating that appears in the examination. It can be a good helper to maintain the stable order in the examination room and protect the interests of the majority of candidates. Nowadays, many people want to use communication equipment to cheat, and major schools are also trying to prevent this phenomenon. Today's signal jammers have become a trend in major schools.

In life, the college entrance examination is a very important node. It represents an important test for countless candidates to prove themselves. However, in such a sacred college entrance examination, there have been many cheating phenomena in recent years. Candidates who have achieved high scores without working hard will cheat in the examination room by purchasing some communication equipment for cheating. Facing the frequent occurrence of cheating in the examination room, a device called a mobile cell phone jammer has also emerged as the times require. The equipment that effectively eliminates cheating in the examination room has now been vigorously promoted in the examination room as a means of anti-cheating.

Now many schools will install WiFi signal jammers in the examination room to maintain the fairness and justice of the examination room. However, due to the limited signal shielding range of the wifi jammer in the exam rooms, the school is worried that the funds will not be enough. So, is it expensive to install a signal jammer in the exam room? According to the person in charge of the company, the market for WiFi signal jammers in the exam room is still relatively hot in recent years. But just because the market is hot, the quality on the market varies greatly.

In today's life, 4G network and WIFI have become indispensable things in life. All mobile phones and computers must go through this channel if they want to connect to the Internet. It can be said that without 4G and WIFI, mobile phones and computers will be gone. The ability to contact the outside world, but also 4G and WIFI give us too much convenience, some people try to use this convenience to choose to cheat in the examination room, then as a specially developed 4G jammer to counteract these cheating using communication equipment Can it effectively isolate 4G signal and WIFI signal?

The college entrance examination is coming soon. I believe that many candidates are working hard to review and prepare for the college entrance examination, and the school is also actively preparing for the personnel arrangement and equipment preparation of the examination room. Among them, the most concerned is the signal jammer, which is a This kind of equipment is used as a means of counteracting the electronic signal cheating that appears in the examination. It can be a good helper to maintain the stable order in the examination room and protect the interests of the majority of candidates. Nowadays, many people want to use communication equipment to cheat, and major schools are also trying to prevent this phenomenon. Today's signal jammers have become a trend in major schools.

In life, the college entrance examination is a very important node. It represents an important test for countless candidates to prove themselves. However, in such a sacred college entrance examination, there have been many cheating phenomena in recent years. Candidates who have achieved high scores without working hard will cheat in the examination room by purchasing some communication equipment for cheating. Facing the frequent occurrence of cheating in the examination room, a device called a mobile cell phone jammer has also emerged as the times require. The equipment that effectively eliminates cheating in the examination room has now been vigorously promoted in the examination room as a means of anti-cheating.

Now many schools will install WiFi signal jammers in the examination room to maintain the fairness and justice of the examination room. However, due to the limited signal shielding range of the wifi jammer in the exam rooms, the school is worried that the funds will not be enough. So, is it expensive to install a signal jammer in the exam room? According to the person in charge of the company, the market for WiFi signal jammers in the exam room is still relatively hot in recent years. But just because the market is hot, the quality on the market varies greatly.

The mobile cell phone jammer is only effective for mobile phone communication, does not interfere with other harmless electronic equipment, and can be widely used. All kinds of conference rooms, auditoriums, courts, libraries, doctors' offices, schools, theaters, hospitals; and gas stations, gas stations, oil fields, oil depots, government, military, financial, securities, prisons, public security command centers, or prohibited in any Place to use cell phone. The characteristics of the radio wave jammer The mobile phone signal jamming adopts the latest SMD components and integrated circuits, with advanced performance, convenient installation and durability. The manufacturing process is strict, stable and reliable. In accordance with the quality system, information security is strengthened to ensure safe production, protect the environment, and ideal and reliable safety products.

The most widely used mobile phone standard today is our gsm global system for mobile communications. GSM standard equipment occupies more than 80% of the current global mobile mobile communication equipment market. It's commonly used, but probably the one most familiar with cell phone use. Yes, calls and texts rely on gsm to provide stable network data types. But the gsm network is much more than we know. A powerful mobile gsm signal jammer is one of those guidelines that many electronics manufacturers are familiar with and study carefully. gsm modules are used in many areas of life, equipped with common access control security systems and GSM network car security systems and robots. GSM also supports indoor coverage Outdoor antenna power can be distributed to the indoor antenna distribution system through a power divider. This is a typical configuration used to meet the high-density calling needs of households, commonly found in shopping malls and airports. Indoor coverage can also be achieved with wireless signals throughout the building, improving signal quality and reducing interference and echo.

Buying a GSM scrambler, in addition to the gsm network, also needs to shield the signal type, such as whether to shield the 3G and 4G network bandwidth. This way, you can buy a cell phone blocker that blocks all cell phone signals. Also, I bought an electronic jamming device, so I need to think about where to use it. Portable gsm jammer are convenient for indoor and outdoor use, and desktop gsm jammers feature a multi-antenna design. As the name suggests, it will be widely used not only by individuals, but also by prisons, courts and other large venues. Wide range of interference, many types of signal shielding. Personally, I recommend the 8 Antenna Portable GSM Scrambler. It's good enough for your needs and provides a quiet reading environment when you need it. For businesses and critical organizations, a powerful multi-antenna desktop jammer will be your better choice. This is quite evident in terms of functionality and interference radius and is considered sufficient for large-scale applications.

The development of smart phone wireless network is an important factor to speed up the development, and the role of mobile phones in people's lives is becoming more and more important, because mobile phones can solve network problems. As a result, children's habitual participation in the Internet can lead to many problems, especially in home networks. This is mainly due to the Wi-Fi network. Therefore, many families are gradually installing radio interference shielding devices on their mobile phones to control their children's Internet time. The Internet provides convenience for people to access the Internet, but the problems brought by the Internet cannot be ignored. wifi jammer sales have network security issues as well as network access issues. In order to maintain a good network environment, many places have begun to install such desktop wifi jammers. Used in some places to protect network security and prevent network overuse. Countermeasures are widely used in various countries and regions around the world, and can be reflected in schools, prisons, libraries, reading rooms and gas stations.

Hi people! My next-door neighbors are abundant people and I don't mind that. Lately they placed CCTV video cameras from Brichom company and those video cameras look into my lawn as well. Exactly how can I block them?

As we claimed, a cell phone jammer is a flexible device, which implies that you have the capability to secure different cell phone signals in various situations. We understand there is a selection of mobile phone signals around us. They vary from CDMA, GSM, DCS to 3G, 4G LTE as well as 4G Wimax. You do not know which of these signals covers your location There may be a signal that works. It might be that all these types of smart phone signals function at the very same time you wish to block the signal from the mobile phone. With this tool, you can select to obstruct certain kinds of signals or obstruct all kinds of phone signals at the very same time. And you can easily utilize the jammer and recognize.

There is an auto charger with this cell phone signal disruptor so you can bill in your cars and truck as well as you can protect against the cell phone signal from interfering when you drive. In addition, this phone and also wifi jammer is a much more technical product, with the most current style of the air conditioning system, incorporated cooling down follower. The interference distance in between this phone as well as the Wifi signal jammer can reach 40 meters, depending on the signal stamina in a given area.

Though if you are worried about your next-door neighbor's CCTV cameras, you need to know that they watch your lawn without a doubt. Try speaking to your neighbors, possibly they will certainly alter the angle of their CCTV video cameras as well as they will not check into your backyard. Still if they decline to do that and you make sure those CCTVs are considering your home then you can put Brichom CCTV cams jammer inside your residence or somewhere in the lawn (depending upon the distance to those video cameras) and also prevent them watching you while you go to residence

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In exchange for constant maintenance, lives and money are used up. The investigations by China Unicom, China Telecom, and local radio management departments have brought a certain negative impact on the normal work of the prison and disturbed the harmony between the police and the people. Unstable system operation: good and bad, low reliability, frequent failures. Especially in summer and autumn, a large number of equipment failures are damaged, although a large number of equipment replacements still cannot achieve the expected shielding effect; in exchange for continuous maintenance, life and money are exhausted. The investigations by China Unicom, China Telecom, and local radio management departments have brought a certain negative impact on the normal work of the prison and disturbed the harmony between the police and the people. In order to meet the needs of the new situation, improve prison technology prevention capabilities, strengthen prison technology management, promote the construction of digital prisons, promote the harmonious and stable development of prisons, and continuously improve the modernization level of prison work, it is necessary to scientifically and effectively control cell phone jammer in prisons and prevent them from being illegal. The security risks brought by the use of mobile phones.

Some are to prevent cheating in exams, some are for the quietness of the meeting or the confidentiality of meeting information. These are for good wishes and purposes. But there are also for their own personal gain. For example, the owner of a pay phone may use a wifi jammer to interfere with mobile communication base stations near their business location, allowing people to work near the pay phone they operate, while the cell phone does not work and therefore uses it instead. Public telephones increase their economic income. In addition, mobile communication operators may also use shielding equipment to harm each other's interests, thereby gaining an advantage in some local competition in the same industry. In addition, WiFi signal jammers are also easy to add software to become a veritable bug. But whatever the purpose, it should not be exchanged at the expense of public mobile communications. In fact, according to research, it is possible to install WiFi jammers without affecting the normal use of public mobile communications.

When technologically advanced mobile phone cheating methods are widely used, the maintenance of discipline and order in the examination room will also increase the difficulty and pressure. can be completely eradicated. I believe this will be of great help to ensure a fair environment in the examination room. Especially after being familiar with the working principle of shielding equipment, the performance advantages of professional equipment can be reflected from different angles. It is very helpful to strengthen the technical strength and application of the equipment. As we all know, the technical level of signal shielding has been greatly improved, especially the scope and field of application have been significantly expanded, and all aspects have mature conditions and technical elements, which can also play a decisive role in solving the problem of signal shielding. More clearly highlights its superiority as a signal jammer. After all, after taking full advantage of different shielding effects, it can provide a full range of technical support for activities that require shielding mobile phone signals, such as exams. Further familiarity with the working principle of the device will ensure that the function and function of the shielding device are fully utilized.

After meeting different shielding requirements, the superiority of 5g jammer will naturally have a clear understanding. , which is also an intuitive reflection of the performance advantages of shielding equipment, which can also perform well under harsh working conditions. After all, today's mobile phone signal shielding technology is very common in practical applications, which is also very important to improve the overall level of shielding effect. Very helpful. The superiority of 5g mobile phone signal jammer will naturally have a clear understanding. , which is also an intuitive reflection of the performance advantages of shielding equipment, which can also perform well under harsh working conditions. After all, today's mobile phone signal shielding technology is very common in practical applications, which is also very important to improve the overall level of shielding effect. Very helpful. The superiority of 5g mobile phone signal jammer will naturally have a clear understanding. , which is also an intuitive reflection of the performance advantages of shielding equipment, which can also perform well under harsh working conditions. After all, today's mobile phone signal shielding technology is very common in practical applications, which is also very important to improve the overall level of shielding effect. Very helpful.

With the improvement of our living conditions, college students commonly use mobile phones or other electronic products. This situation creates many problems for school management. Students stay up late, texting on their phones, surfing the web, etc. During the day, the class yawns and the students bend over to sleep. Cell phone use in the classroom is now commonplace, and students now feel they have a right to use their cell phone in the classroom. They didn't listen to the instructions and had to repeat them a few times because they were texting, listening to music or watching a video or movie on their phone while playing a game. Some students even receive or make voice calls in class. Many teachers buy wifi jammer and use them in the classroom so that they can take back control of the classroom. All phones are used at school 99% of the time, only for texting friends in another classroom, taking pictures, surfing the web, and "killing time" via social media in teacher meetings. I'm not saying that WiFi jammers should be legal everywhere, I'm just encouraging students to focus on teaching while in school.

Almost all students in schools now have their own mobile phones. To make matters worse, cell phones have become a "weapon" for many students against their teachers. During the meeting, most students use mobile phones to surf the Internet. Many students tend to listen to music or play video games in class; it often happens that the phone rings suddenly while talking in the classroom, which often leads to distraction. To make matters worse, some students are using their phones to help them cheat on exams. A new phenomenon of "cyberbullying" has been reported in which students use text messages and social media to electronically torture others when they should be paying attention to class. signal jammer overload your phone by sending a signal at the same frequency and high enough power so that the two signals collide and cancel each other out. Cell phones are designed to increase power when encountering low-level interference, so portable signal jammers should recognize and match the increase in cell phone power.

Today's social and economic development is getting faster and faster, and the progress of science and technology is obvious to all. The 4G era has replaced 3G and 2G as a reality. 5G is already here. But at this stage, 4G data signals still exist as the mainstream. So, can cell phone jammer only block 4G data signals? This is a very important question. In fact, the new signal jammers on the market at this stage have been upgraded, and shielding 4G data signals is basically standard. However, some cheap mobile phone jammers on the market can only block 2G or 3G data signals. Because of this, this high-power mobile phone signal jammer has such a powerful ability, so it can be used in prisons, because we all know that the conditions of prisons are very important, and we cannot use mobile phones and other tools to send information. However, only people are used to check And making sure no one is holding a cell phone is almost impossible, in this case asking for help from a prison blocker is a good option as only this type of prison uses high power signal jammers, other Type signals are easily masked, and quickly secure a safe state, making it difficult to send information.

For some portable GPS jammers, the portable gps jammer will not work if the battery is dead, and cannot be removed if the battery is damaged. Of course you can also use it in a fixed place, such as at home, in a fixed location (such as using some portable GPS signal jammers in the office). What should we do if the battery fails? If the rechargeable lithium battery of the portable signal jammer is damaged, what can you do to fix this really inconvenient problem? Of course, a good solution is to replace the shield battery and get the shield back to normal operation. If so, you can take a few minutes to take a look at this "Rechargeable Lithium Battery for Desktop High Power Cell Phone Jammer", it is one of the various types of rechargeable batteries used in jammers and is very good for this product it works. The desktop high-power GPS jammer does not have a rechargeable shielded battery, and the owner will not be able to take out the jammer to use.

With the improvement of our living conditions, college students commonly use mobile phones or other electronic products. This situation creates many problems for school management. Students stay up late, texting on their phones, surfing the web, etc. During the day, the class yawns and the students bend over to sleep. Cell phone use in the classroom is now commonplace, and students now feel they have a right to use their cell phone in the classroom. They didn't listen to the instructions and had to repeat them a few times because they were texting, listening to music or watching a video or movie on their phone while playing a game. Some students even receive or make voice calls in class. Many teachers buy wifi jammer and use them in the classroom so that they can take back control of the classroom. All phones are used at school 99% of the time, only for texting friends in another classroom, taking pictures, surfing the web, and "killing time" via social media in teacher meetings. I'm not saying that WiFi jammers should be legal everywhere, I'm just encouraging students to focus on teaching while in school.

Almost all students in schools now have their own mobile phones. To make matters worse, cell phones have become a "weapon" for many students against their teachers. During the meeting, most students use mobile phones to surf the Internet. Many students tend to listen to music or play video games in class; it often happens that the phone rings suddenly while talking in the classroom, which often leads to distraction. To make matters worse, some students are using their phones to help them cheat on exams. A new phenomenon of "cyberbullying" has been reported in which students use text messages and social media to electronically torture others when they should be paying attention to class. signal jammer overload your phone by sending a signal at the same frequency and high enough power so that the two signals collide and cancel each other out. Cell phones are designed to increase power when encountering low-level interference, so portable signal jammers should recognize and match the increase in cell phone power.

Today's social and economic development is getting faster and faster, and the progress of science and technology is obvious to all. The 4G era has replaced 3G and 2G as a reality. 5G is already here. But at this stage, 4G data signals still exist as the mainstream. So, can cell phone jammer only block 4G data signals? This is a very important question. In fact, the new signal jammers on the market at this stage have been upgraded, and shielding 4G data signals is basically standard. However, some cheap mobile phone jammers on the market can only block 2G or 3G data signals. Because of this, this high-power mobile phone signal jammer has such a powerful ability, so it can be used in prisons, because we all know that the conditions of prisons are very important, and we cannot use mobile phones and other tools to send information. However, only people are used to check And making sure no one is holding a cell phone is almost impossible, in this case asking for help from a prison blocker is a good option as only this type of prison uses high power signal jammers, other Type signals are easily masked, and quickly secure a safe state, making it difficult to send information.

For some portable GPS jammers, the portable gps jammer will not work if the battery is dead, and cannot be removed if the battery is damaged. Of course you can also use it in a fixed place, such as at home, in a fixed location (such as using some portable GPS signal jammers in the office). What should we do if the battery fails? If the rechargeable lithium battery of the portable signal jammer is damaged, what can you do to fix this really inconvenient problem? Of course, a good solution is to replace the shield battery and get the shield back to normal operation. If so, you can take a few minutes to take a look at this "Rechargeable Lithium Battery for Desktop High Power Cell Phone Jammer", it is one of the various types of rechargeable batteries used in jammers and is very good for this product it works. The desktop high-power GPS jammer does not have a rechargeable shielded battery, and the owner will not be able to take out the jammer to use.

The modern information age is developing rapidly. There is a problem with wireless communication security. The confidentiality and security of economic and technological information is being challenged by various stakeholders at home and abroad. cell phone jammer are very important devices under modern information technology. Mobile phones are prohibited for military training and activities. No military, important government agencies or cell phones are in use. A mobile phone signal jammer would be handy. It is very convenient to use and effectively achieves the effect of electromagnetic shielding. There are cell phone jammers that can moderate cell phone communication. Simply put, by sending a signal where you want it to be on the same frequency as the network, a jammer can prevent you from communicating with your cell phone base station. The device can be used for a variety of purposes. I know there are many uses. this is very important. For example, many companies get this cell phone signal jammer. When negotiating, we deal with this equipment in the conference room. Make sure information is leaked and keep it quiet and private.

Sometimes I ignore my own feelings. It doesn't feel private enough during a meeting. When it comes to phone signal jammers, there are a few things to consider. What functions does a signal jammer need to have? The higher the price and the larger the working radius, the larger it may be. How to maintain a good lifestyle on your phone Buy this signal jammer. You can overcome the problem with the first try. You might get out of your phone and make a loud call, ignoring other people's feelings. Tired of all the people who can't stop talking. , you can buy cell phone jammers for free from the internet. Finally you can feel free. The easiest way is to buy a signal jammer from the internet. It's very useful. We are always looking for the need to block certain communications. He added that disconnecting their phones would take away their freedom of speech.

Phone emails are typing. That's a lot of work. We have also started to take various measures to address this problem. Meanwhile, there was a wifi jammer that got a lot of attention. It is a deterrent that blocks cell phone radio waves. In fact, it is used in hospital ICU, bank ATM, etc. , Interfering with radio waves does not go out. It is only valid for a limited special time. You will be fully immersed in your digital life. Bring a WiFi jammer to help you find peace. You can cut off unnecessary phone signals. Electronic products will become an integral part of our daily life. While bringing convenience, it also brings various inconveniences. Thus, a compelling wifi jammer emerges. The device blocks radio waves from base stations and creates an out-of-service area. Communication is disabled. When it is necessary to strictly protect personal information, it is possible to block communication with the outside and prevent information leakage. It has enough performance. Mobile WiFi jammers have a wide range of applications. I picked up a product that was actually discounted.

There are places where you absolutely need to disable the phone signal. Gas stations know that cell phone calls are not particularly popular. risky. Telephone signals may cause an explosion. You need to remain calm in public. It can be seen that portable GPS jammers are used to obtain perfect conditions, such as examination rooms, churches, places where quietness is required, etc. Students get their attention in class. Improve efficiency. A student is playing with a cell phone. This is a very serious situation. Distractors try to help you achieve your goals. For meetings, it is also used to prevent mobile phones from calling some high-power 3G signal jammers. I have an antenna. Easy to use in car. They don't have to worry about being interrupted by cell phones or cell phone noise while driving. There is no doubt that phone GPS Jammers can be used indoors, such as at home or in an office or conference room. Having a strong jamming range also benefits from a jamming distance of up to 40m, depending on signal strength.

With the progress of society and the development of high technology, people's standards are getting higher and higher. Nowadays, mobile phones have become people's habit. For primary and secondary school students, playing mobile phones for a long time may affect their eyesight, and more seriously, they will neglect their studies. cell phone jammer have been trusted by exam rooms, schools, prisons and other institutions since their inception. In fact, mobile phone signal jammers are nothing new in foreign countries, and they have been sold in the domestic market in recent years. Cell phone jammers only interfere with low cell phone signals, so they don't affect mobile base stations and other electronic equipment. Now many primary and middle school students are holding mobile phones one by one, some are addicted to games, some are addicted to novels and so on. It is even more necessary for school exams. Baidu has all the answers. If everyone plagiarizes with their mobile phones during the exam, it goes against the purpose and meaning of the exam!

Now more and more people are eager to get a signal jammer, which can cut off the signals of different frequency bands at the same time according to their own needs, and can also cut off individually. Now in order to meet people's needs, more and more people have designed adjustable buttons to combine different jamming frequency bands in one jammer to achieve the goal, just here "Adjustable Jammer GSM 3G 4G GPS WIFI UHF VHF Signal Blocker (EU Version) "What you are looking at here is designed this way, then you can go through the following to see the details of this example. First of all, this high-power adjustable 8-antenna signal jammer is really suitable for people who live in EU countries and need a multifunctional high-power signal jammer. Therefore, this high-power European version signal phone jammer is designed with 6 antennas, which can easily cut off the signals of GSM, DCS/PCS, 3G, WiFi, 4G and UHF at the same time, which is very powerful. And looking at the interference distance, you will also be attracted by this high-power 3G 4G desktop Wimax GPS VHF UHF WiFi jammer, because the protection radius can be up to 50 meters depending on the signal strength of the location. Accurate, in this case, it can meet the interference range requirements of a large number of people.

The WiFi signal jammer should be placed in a well-ventilated place, try to avoid large objects, and avoid strong electromagnetic sources with strong heat sources to ensure the shielding effect and long-term stable operation. When the jammer is working, it is not allowed to stack other items and remove the antenna, so as not to affect the shielding effect and damage the machine. When the wifi jammer is not in use, the power should be cut off in time to avoid affecting the normal use of the mobile phone. When using the jammer outdoors, pay attention to waterproofing. When the area of ​​the site is larger than the effective shielding range, it is recommended to use multiple shields for cellular installation to ensure the shielding effect. Since the power supply and antenna are dedicated to the host, they are debugged one-to-one at the factory. Please try not to use them interchangeably to ensure the best effect. Keep away from corrosive gases and liquids, and do a good job of dustproof and moisture-proof work, so as not to accelerate the aging of the internal parts of the equipment. When placed outdoors or in the wild, attention should be paid to installing protective devices in environments where destructive animals such as mice and ants are infested.