Professional Technology Blog At Perfectjammer

In the evening, many students play electronic products in the dormitory until the early morning or even later. Long-term use of electronic products such as mobile phones will cause irreversible consequences for students. According to research and investigations, adults who use mobile phones for 12 hours a day for a long time are like taking […]

Can the test cell phone signal blocker block all communication signals? Speaking of which, many people are unfamiliar with the test cell phone jammer. In fact, it has already been used in the examination room of the college entrance examination. In previous years, there will be many test rooms installed with this kind of signal shield. […]

When we enter a new area, the base station in this area will relocate and manage our mobile phone, and the mobile phone will determine its location after receiving the signal from the base station. If a mobile phone signal shielding device is installed in the area at this time, the frequency band of the […]

With the gradual development and progress of society, the innovation of science and technology is becoming more and more intelligent, and the popularization of mobile Internet has brought a lot of convenience to people’s daily life. Of course, while bringing convenience, there are also many negative effects. In some special occasions, the use of mobile […]

The main use scenarios of the mobile cell phone jammer instrument are in some areas where communication tools such as mobile phones are strictly used statically, such as: school classrooms, examination rooms, prisons, offices, military, gas stations and other institutions that require information security. Because the signal shielding device is easy to install and use, more and […]

Some schools will choose to install signal blocking devices in the classrooms, so that students can’t secretly play mobile phones during the class. Blocking mobile cell phone jammer have perfectly blocked the signals from the base stations around the classrooms. When playing mobile phones, you will not receive any signals including: carrier base stations, wifi, hotspots, etc. […]

The application scope of smart phones is getting wider and wider, and the technology is getting more and more advanced. Now mobile phones have become a necessity of our life, as indispensable as our organs, and almost everyone needs to have them. But the mobile phone is a double-edged sword, and it brings a lot […]

There are many manufacturers of cell phone jammer, but most of them have the same function. The main function is to prevent mobile phones from receiving signals and base stations to send signals, and to shield and monitor mobile phones in specified areas. The mobile phone signal shielding device can be used in many scenarios, such […]

Every company encounters the behavior of employees playing mobile phones at work in their daily work, which greatly reduces work efficiency and also causes information security problems, especially in government agencies. It is easy to be stolen by illegal elements, which is a very dangerous thing for agencies and units. Later, many companies found a […]

With the development of the information age, more and more electronic information products have been upgraded and improved, and mobile phones have been constantly updated with more and more functions. Many students in schools already have their own mobile phones. They are also playing with their mobile phones, and even when they walk, they don’t […]

The mobile cell phone jammer adopts the technology of wireless antennas all over the place, effectively distributes the shielding output power, spreads the power signal, reduces the radiation source of the wireless antenna, gives dozens of times higher efficiency, and at the same time avoids blind spots and leakage; Jike’s unique TD At the same time technically, […]

Today’s mobile phone signal shielding instruments are all full-frequency bands. It can block all the next 2G3G4G5G signals, 2.4GWIFI signals and mobile phone Bluetooth signals of all the three operators of China Mobile and China Unicom Telecom. Its principle is based on its own outgoing frequency. In order to affect the frequency that the mobile […]

The function of each mobile phone signal jammer is completely different, and the intelligent mobile cell phone jammer naturally has its own unique function. Below, we will remove its mysterious mask for everyone. This jammer is often recognized by us because its technology is very strong: everyone realizes that it uses a unique 4G application optimization algorithm […]

When the technologically advanced mobile phone fraud methods are widely used, the protection of discipline and discipline in the examination room will also increase the difficulty factor and work pressure. Therefore, it is necessary to make full use of the function and performance advantages of mobile cell phone jammer to ensure that all mobile phone fraud Personal […]

Since the current shielding technology has already been fully popularized in technical professional equipment, it can be integrated faster to deal with the intertwined office environment. In such an objective environment, the in-depth understanding of the function of mobile phone signal jammers seems It is very important. After all, the actual effects of shielding with […]

The mobile phone signal jammer is deeply loved by everyone. At first, the mobile phone signal jammer was not developed for the examination room scene. The initial scenario was applied to prisons, where physical and information security shields were required to ensure information security and privacy in high-strength prisons. Nowadays, many students in schools bring […]

Use wireless wifi to surf the Internet. In this case, it depends on whether the mobile phone signal shielding device installed by the school has the function of shielding the 2.4gwifi channel. Block students from using wifi. However, if the signal shielding device carries the function of shielding the 2.4gwifi channel, all signals will be […]

There is a basic law in social economics: the law of economics is to use value to determine price, and price fluctuates closely around use value. This fundamental law is especially pronounced in the industry of cell phone jammer. Looking at the past signal shielding projects, what can best reflect the market value is the real […]

Now, many people should know about 5g signal shielding equipment. People who have participated in large-scale examinations have seen it, which is the equipment placed at the entrance of the examination room. Someone asked if this could be a malicious blocking signal. No, on the contrary it is protecting the fairness of the exam, With […]

With the increasing application scenarios of 5g mobile cell phone jammer, more and more institutions, manufacturers, schools, companies, etc. use mobile phone signal jammers, which have become an essential part of the field of information security defense. In our work, we communicated with customers and found that many customers do not understand the price positioning of […]

The cinema is a relaxing area for leisure and entertainment. It has long become one of the places for everyone’s leisure and entertainment time. In countries around the world, the large and medium-sized premieres of the film have become more and more people’s choice. We can enjoy beautiful songs and exciting videos in the theater, […]

Cinemas cannot stop everyone from using mobile phones. It seems to be only by means of ideas. Of course not, here’s a little tool to help – a cell phone jammer. Mobile jammers are likely to affect cell phone data signals so if you use a cell phone jammer in a movie theater, people won’t be […]

He mentions a cookie or an unbelievably trivial item in your life that produces a lot of joy. For example, on Sunday you and your friends go to the theater to watch a classic movie. It’s also a small thing, but when we indulge in the film, you will get a different feeling, you can […]

The advent of the 5G era has brought a great degree of convenience to everyone, and the mobile network speed of mobile phones has increased to a new relative height. However, this also created some problems. Last year, a college entrance examination student in Hubei province took pictures with his mobile phone and uploaded them […]

From the close attention, we can see that a variety of security methods are used to ensure the security of different regions and regions. In the following, hotels, restaurants, colleges and many other areas, everyone Practitioners in many areas can often be seen, and in housing construction, workers should file a record first. It’s all […]

Today, electronic computers have become a very critical special tool in our work and life, and they have been using computers to see others, share important information, and communicate with their peers, just as everyone works at the same time. Other countries use e-mail, and there are many other jobs and easy communication, all of […]

With the improvement of people’s living standards, middle school students usually have their own mobile phones or other electronic devices, which brings great inconvenience to the school management system. Students stay up late, use mobile phone text messages, online and so on. In broad daylight, the students are sluggish in teaching, and most of them […]

Cell phone jammer is a general term for all audio signal equipment. If the subdivision of cell phone jammer can be distinguished, it is also called GSM jammer according to the type of shielded signal that affects the GSM signal, because it is difficult to affect the characteristic signal, so it is a Separately, on many websites, […]

There are various types of examinations today, but the whole process of all examinations is the same, and it is necessary to ensure the possibility of the examination room and the fairness of the examination, but except for the most common junior high school, high school, college entrance examination, English CET 4 and 6, Most […]

Nowadays, with the gradual development of science and technology, mobile phones and other telecommunications mobile devices are also developing rapidly. Now almost everyone has a mobile phone of their own. Mobile phones are convenient for people. Phone calls, playing games, listening to songs, sending text messages, chatting, etc. But this will also cause many problems. […]

Today, mobile phones are one of the most popular means of communication in the world. However, everyone is concerned about the possible harm caused by the radiation source they transmit. In addition, mobile phones can affect the operation of machinery and equipment, such as pacemakers and ECG monitoring software. If doctors are likely to make […]

Mobile phone jammer products are products with special application functions and application sites. As an indispensable special tool in the security and confidentiality industry, the product quality must be guaranteed, and it must be integrated into the rapid development of communication technology at this stage. The improvement and function of the mobile phone signal blocker […]

Companies in various industries are very diligent, in order to become a leading talent company in the industry, and then provide customers with faster products to improve the company’s value. After 11 years of manufacturing, marketing and service projects, the company has won market recognition with its outstanding products and technical professional caring services, and […]

Then fully charge the rechargeable battery for a few hours or connect it to an electrical outlet. The battery unit can work fully automatic for up to 2 hours on a single battery charge, but it can work continuously if the suppressor is connected to the charging head. The suppressor has a traditional dark brown […]

Mobile and cell phone signal jammers are dedicated to ensuring your safety, maintaining your personal assets indoor space from unnecessary telephone communication, monitoring communication frequency bands and information leakage on mobile Internet channels, wireless networks Wi-Fi and mobile phones The Bluetooth internet relies on tiny cameras and system vulnerabilities. In addition, when using signal shielding, […]

The signal shielding work in the examination room is a relatively complex engineering project. If you want to know what kind of mobile phone signal shielding solution is suitable for your own examination room, it is best to have a technical engineer conduct a survey on the spot and formulate a scientific and reasonable mobile […]

In order to formulate a scientific and reasonable solution for the mobile phone signal shielding device in the examination room of colleges and universities, it is necessary to formulate a suitable signal shielding plan according to the actual situation of the examination room, such as the distance between the examination room and the signal tower, […]

The 2022 college entrance examination is coming. During the college entrance examination every year, various test rooms will use mobile phone signal jammers to prevent students from cheating on their mobile phones. In 2022, with the application field and popularization of 5g technology, mobile cell phone jammer are also facing the upgrade of the shielding category. In […]

At this stage, there are different types of mobile phone jammers on the market. Some devices only block individual frequencies, while others can block all types of Internet at the same time. The latter entity model can be automatically converted from a different Internet to find openness signals. Higher-end equipment can stop all frequencies at […]

A cell phone jammer is an instrument device used to keep cellular phones safe from signal hazards and to move signals to GSM with the same frequency that the conditioner broadcasts. If the cell phone jammer prohibits the use of cell phone signals, it feels like the jamming was successful. A cellular phone is a duplex device […]

The mobile phone signal jammer is to better effectively avoid and affect the relevant data signals on the mobile phone, mainly using the campus test room, prison, detention center, etc., in order to ensure the fairness and reasonableness of the test, the junior high school, high school, this year’s college entrance examination or the usual […]

Everyone has heard or understood that cell phone jammers have been around for a long time. The original purpose of cell phone jammer was mainly for police and national defense applications. In the military, interceptors are used to block communications from adversaries. Police can use cell phone jammers to avoid communication with criminal suspects and avoid terrorist […]

A simple example. At this stage, most colleges and universities have installed cell phone jammer. On the one hand, it is to better prevent students from looking at their mobile phones. When cheating with other electronic devices, it is very important for students to cultivate the habit of honesty and trustworthiness, which is very important to […]

In addition, there are many or even a large number of mobile cell phone jammer that I use. Many people feel weird, why do I use a cell phone jammer? Why do people have to get these devices that are actually very expensive? But it is not difficult to understand that everyone has the right to protect […]

If someone is listening to a cell phone jammer, you will have a negative first impression. Why on earth would anyone want to cut off a cell phone user’s communications? In fact, there are many reasons to consider using a cell phone jammer— and in different settings. In schools and universities, cell phone screens are especially […]

If you’re a teacher or student tired of other students chattering on their phones during class, a cell phone blocker in the classroom might be just what you need. With these devices, you can stop talking instantly, prevent students from cheating on exams, and avoid class interruptions due to cell phones ringing or buzzing. To […]

Now, mobile phone jammer devices are being transformed into civilian products rather than electronic warfare devices, because as the number of mobile phone users increases, there is a need to disable phones in specific locations where the phone’s ringing is damaged. These include places of worship, university lecture rooms, libraries, concert halls, meeting rooms and […]

In short, they randomly emit static or noise over a wide range of frequencies such a device cannot connect to the connection it should. It’s like sitting next to the engine of a sports car, opening the hood, and talking to someone on the phone. The localized noise becomes too strong for the device to […]

The rapid development of mobile wireless networks has greatly prompted people’s quality of life and work, but mobile phones will also bring some side effects to people and become increasingly apparent. The reasons for the insecurity of mobile phones are mainly reflected in: public security, organs, factories, institutions, school examination rooms, and other important secret-related […]

At present, all mobile phones on the market are digital wireless signals, and the anti-interference ability of digital wireless signals is very strong. If the analog signal scheme is used to interfere with digital wireless signals, the actual effect is very poor. Therefore, digital signals must be used to interfere with digital wireless signals. Compared […]

There are many kinds of products in the domestic electronic mobile cell phone jammer sales market, and the brands are also showing a situation of blooming. Our company now has a strong technical experience guarantee, and is also constantly improving and independent innovation. It is a strong manufacturer of electronic mobile phone jammers. What has already been […]

Our company has been working on cell phone jammer technology and products for many years, and has many patented technologies. The product research and development and production of signal jammer products have even reached more than a dozen types, each of which has a variety of different models, specifications and functional details. Differentiated products, no matter what […]

When we use a cell phone signal jammer, you will find that no matter where you are, as long as you can turn on such a cell phone jammer, then everyone has no way to search for your wireless signal, in other words , Household products are more effective than ordinary public products. In such an […]

Nowadays, the emergence of mobile cell phone jammer has solved many hidden dangers of disrupting the order for the examination room, so that candidates can take the examination in a fair environment. The principle of this test signal jammer is actually to isolate the electronic signal, so that the communication signal of the mobile phone fails, which […]

The trouble of purchasing signal jammers for exams is something that many customers have. At this time, you can come to contact the price of cell phone jammer. It is a manufacturer with many years of high-quality and rich experience in R&D of jammers. It has a first-class team. The technical team provides technical support for […]

Now many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing what is needed in the exam room, ensuring the normal order of the exam room and meeting the […]

The effective range generated by different powers is different. If it is only a small power, it is generally used in a small open area, which is just enough to meet the size of a classroom. However, if it is required to pass through the wall, it will actually pass through the wall. After that, […]

The price of mobile phone jammers we are talking about is cheaper, not to say that under the premise of affecting the quality, but to say that when the quality is the same, it can really make the price cheaper, then in the process of use can there be more Therefore, everyone needs to understand […]

If you buy a lot of equipment, then don’t go through the dealer, because any dealer will make money, so if you want to make the mobile cell phone jammer cheaper, you should buy it directly from the manufacturer. When you can choose to buy directly from the manufacturer, the more you buy, the more room for […]

The so-called shielding efficiency refers to whether there are blind spots or leaks in the shielding effect. In the vicinity of some prisons, there may be transmitting base stations with strong mobile phone signals. In order to achieve a good shielding effect, it will take a lot of materials and energy accordingly, and the cost […]

Mobile phone addiction is now common, and some children have poor self-control. Installing cell phone jammer can prevent kids from playing with their phones in class and students from ordering takeout programs on their phones. Parents are very worried. They also feel more comfortable. Children are usually in the developmental stages of life. Therefore, premature exposure to […]

Most people use their phones everywhere, whether it’s in theaters, educational institutions, cafes, restaurants, offices, or anywhere else. People today spend most of their time on their phones instead of having fun with their families or focusing on organizational goals. Your phone can help you in many ways, but it also reduces the lives of […]

More and more cell phone jammer devices are used to looking at us, so we need a wireless cell phone jammer. In some cases, this electronic espionage device can put us at risk. Among them, the most dangerous equipment is the cordless telephone equipment. They are installed in various places such as shopping malls, streets, supermarkets, bus […]

With the development of various business activities, the security of business negotiation is particularly important, especially the confidentiality of the meeting content. Therefore, the safety of the office has attracted people’s attention. Don’t worry because you can buy cell phone jammer from here. We are well aware that there are many effective and most important intangible occupations […]

Cell phone jammers are also known as cell phone jammer. This is an anti-mobile device. It can effectively block the mobile phone signal in a certain area and turn off all mobile phones in the area. When turned on, it will start to emit a stronger signal to cover the mobile phone signal, thus shutting down […]

Maybe someone else is listening when we’re discussing very important business contracts, or even when we’re talking about trade secrets. To get us out of dangerous situations and live a safer life, we developed cell phone jammer. Once enabled, you don’t have to worry about hearing more and more sounds. Of course, there are many jammers […]

Now, in our life, the mobile phone is the most important thing. We carry our cell phones with us, and here comes the problem: cell phone noise. Therefore, we have developed a cell phone jammer. Cell phone jammers are suitable for many public places where cell phone ringtones are particularly troublesome. To get us out of […]

In our lives, we are increasingly dependent on a variety of high-tech devices that help us live easier, do things faster, and move more easily. Various high-tech military cell phone jammer devices play an important role in our world. However, while high-tech devices help us, they can also harm us. Some combine cell phone jammers with GPS […]

Displayed by Internet users. That’s a cell phone jammer . In this empty classroom, the power cord was not connected to the signal shield, nor was the switch turned on. Therefore, the reporter’s mobile phone signal is normal, and the network can be used normally. The reporter will also find several floors in the second teaching building, […]

Typically, such cell phone jammer are used for prohibition or unwanted use of mobile phones and the Internet (in offices or conference rooms), and for personal protection of confidential information (for example in private apartments or houses). 2.4 ghz blocker generates radio interference in the GSM 800/900/1800/1900 MHz, 2100Мгц3G, LTE-4G 800/2600 and frequency 2400 MHz bands for […]

In today’s society, mobile phones have increasingly become an indispensable tool in people’s work and life. Now walking on the street, people can see people holding mobile phones everywhere. It is self-evident that the wide application of mobile phones brings convenience in communication, but at the same time, there are many hidden dangers that cannot […]

There are many kinds of products in the domestic electronic mobile cell phone jammer sales market, and the brands are also showing a situation of blooming. So far, we have had twelve years of experience, relying on excellent consumer user evaluation and the professional strength of our own products, we have come a long way. Our company […]

Our company has been working on signal jammer technology and products for many years, and has many patented technologies. The product research and development and production of signal jammer products have even reached more than a dozen types, each of which has a variety of different models, specifications and functional details. Differentiated products, no matter what special […]

Corporate competition is brutal, and many companies fail and fail in the process of competing with others. Therefore, when we are improving the company, we must learn to use different new technology products, so that the progress of our company can be more guaranteed. The product development of small drones can provide our company with […]

In the past few years, various types of mobile signal jammer have emerged in an endless stream, and everyone is dazzled and dizzy, but in fact not all products are suitable for everyone to apply to themselves, some products are public, so do not It is suitable for everyone to use in other fields. There is a […]

Nowadays, the appearance of the shielding device has solved many hidden dangers of disrupting the order for the examination room, so that the candidates can take the examination in a fair environment. The principle of this test mobile phone signal jammer is actually to isolate the electronic signal, so that the communication signal of the […]

The trouble of purchasing signal jammer for exams is something that many customers have. At this time, you can come to contact us for the price of signal jammers. It is a manufacturer with many years of high-quality and rich experience in R&D of jammers. It has a first-class team. The technical team provides technical support for […]

Now many schools are busy preparing for the examination room. This is because the most important exam of the year, the college entrance examination is coming soon. Facing this most important exam, many schools are actively preparing what is needed in the exam room, ensuring the normal order of the exam room and meeting the […]

Mobile and wireless Wi-Fi network jammers are designed to keep you safe, protect your private property space from unwanted phone conversations, eavesdropping on communication channels and information leakage on mobile internet channels, wireless Wi-Fi and Bluetooth networks with the help of Wireless cameras and exploits. Additionally, most wireless devices are blocked from activity when using […]

In school exams, in order to prevent students from using mobile phones to transmit information, leak test papers, and cheat in exams, some also prevent teachers from leaking test paper information on the way to escort the test papers, which will have a bad impact on the later exams. The trouble of purchasing mobile cell phone […]

Midsummer June is about to usher in the high school entrance examination and college entrance examination. In order to ensure the quality of the examination, many schools have already started preparing for the examination room in advance. In the process of preparing for the examination room, there is a very important thing, that is to […]

In order to ensure the best effect of the signal, in general, the installation of more than one meter and less than three meters has the best effect. The cell phone jammer is relatively small and can be fixed on the ceiling or wall with ordinary screws. Of course, it can also be used directly on a […]

Although a mobile phone is a wireless communication device used wherever it goes, there is also an invisible line dragging it, which is the mobile phone base station. Whether a mobile phone makes or receives a call, the first step is to establish a connection with a nearby mobile phone base station. If you hold […]

The entire frequency band of electromagnetic waves ranges from the smallest few Hz to the largest tens of hundreds of GHz. The range is very large. Each segment may be used as a communication signal. However, except for a small number of very professional equipment, ordinary mobile cell phone jammer All of them are “not loud enough” […]

In fact, there is basically no hope for mobile cell phone jammer to make mobile phones cheat, but cheaters can also use their own communication tools. Most of the cheating communication tools sold are of this type). The frequency band used by these illegal communication tools can be selected outside the frequency range of the mobile phone […]

There is a radio monitor that can help with electromagnetic signals in those frequency bands that cell phone jammer don’t care about. Before the start of the test, the signal strength generated by various legal radio wave devices such as mobile phones, radios, and televisions around the test room are recorded in the test room. All the […]

Many domestic electronic mobile phone jammers have a variety of products in the sales market, and the brands are also showing a situation of blooming. So far, we have 12 years of experience. With excellent consumer user evaluation and the professional strength of our own products, we have come a long way. Our company now […]

In the past few years, various types of mobile cell phone jammer have emerged in an endless stream, and everyone is dazzled and dazzled, but in fact not all products are suitable for everyone to use themselves, some products are public, so not It is suitable for everyone to use in other fields. There is a very […]

The wireless signal jammer is mainly used in the examination room, not limited to the examination room, and can also be used in prisons, gas stations, mobile phone bombs, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor camps, conference rooms, theaters, churches, etc. Libraries, school dormitories, special security and confidentiality occasions (confidential […]

Do you like football? Do you like watching football games? Do you like watching FIFA? Then you need a cell phone jammer. Would you be mad if there was a great shot and suddenly your phone near your house rang? Now in our life, the mobile phone is the most important thing, we carry the mobile […]

Do the police really tell us how to monitor and track our phones? Is this correct? good morning everyone! I heard that the ACLU received a certificate that gave police instructions on how to track a cell phone jammer and use it to spy on us. is this real? Documentary evidence received by the American Civil Liberties […]

If the meeting room does not have a pre-installed dark compartment (wall-mounted cassette) reserved for 5G shielding equipment, usually the best advice is to use some wall access or free space in the corner of the meeting room to create a side cabinet. The selection of materials and color matching should be consistent with the […]

When customers buy cell phone jammer, they often think of the need to block cell phone signals in the conference room after completing the overall decoration of the conference room. After the decoration is completed, it is not difficult to choose a mobile phone signal jammer, but how to install it becomes a difficult problem. The […]

However, the news of “possibly a 5G signal shielding vulnerability” immediately caught the attention of the network. Netizens mainly focus on two points: At present, 5G mobile phones and 5G signals are nothing new. Why is there a signal shielding gap in the investigation room involved in the incident? Is this omission an individual case […]

This year is the “Integrity Test Advertising Year” in our province. Before the start of the test, each candidate’s mobile phone received a reminder text message from the State Personnel and Social Security Bureau, reminding them to take the integrity test. According to the person in charge of the National Personnel Examination Institute, a number […]

In the examination room, before purchasing a cell phone jammer, you may wish to conduct an actual test to determine the actual shielding range of the jammer, and then decide how many cell phone jammers you need based on the actual test data. This is very important, otherwise there will be some places that are not […]

But what many people don’t know is that there is such a device, which may seriously affect the effect of the mobile phone signal shielding device, that is, the shielding range. This is a question that all college entrance examination rooms in the school need to consider. what device is this? It is the base […]

Key equipment that has been frequently used in major examination rooms recently. I believe that many people should know the real role of this device. It is a key device vigorously promoted in school examinations, which can effectively prevent and prevent candidates from cheating. That is today’s protagonist: cell phone jammer. There are less than 100 […]

Mobile phone jammer is a new type of environmental protection information security and confidentiality product newly developed by applying modern high technology. The working principle of this product is roughly the same as that of the communication signal source. A fan-shaped shielding space is customized according to the power of the shielding device, and the […]

Protecting privacy and security has always been a topic of debate for us. Friends who often travel to hotels, homestays, and rental houses should always improve their safety awareness and see if they can hide small lenses. Today’s headline hot search#The seller claims to be able to crack all home cameras in batches# This is […]

Secret research sites are prime targets for adversaries and foreign intelligence agencies to steal secrets. Install electronic monitoring, anti-theft, alarm and other safety devices according to actual needs, and strengthen prevention. Anti-espionage activities in secret places avoid eavesdropping by establishing dedicated telephone networks and using optical fiber transmission; building electromagnetic shielding rooms, shielding covers, cell phone […]

In response to the problem of intermediaries using bluetooth speaker jammers, the relevant person in charge of Zhonglian Real Estate admitted that it was really helpless to use such a method, just for “self-protection” and to avoid being robbed by other intermediaries at the last minute. Some major intermediaries also indicated that there are not […]

Now our mobile phone communicates with the base station through the uplink frequency, and then transmits the signal to the mobile switching center to realize the call. In the standby state, the mobile phone communicates with the base station through the broadcast control channel. Once there is a call request, it will be allocated to […]

Faced with a mysterious figure who is frequently active in major examination rooms, I believe that many people do not know its true colors. It is a good helper for the promotion of large and small exams in schools, and can effectively prevent and prevent cheating. – cell phone jammer. Now that the college entrance examination […]

You should keep in mind that wireless networks can never have high security measures because they can be used relatively far outside the building. But the truth is, you can tell who an outside hacker is by looking at your connection speed. The trick is that the weaker the signal, the weaker the connection, so […]

Now WiFi and Bluetooth are frequently used in daily life, whether it is wireless network or the Internet. As useful as they are, they can be used by governments or other agencies to steal your privacy. Such as tracking your location and stealing your privacy through cell phone cameras. Of course, WiFi can pose a […]

Law enforcement agencies, spies and even ordinary people can install a microphone or hidden camera in your office or home and use a WiFi connection to watch and listen to everything you do or say. Not only WiFi and Bluetooth work on the 2.4 GHz frequency, drones and some drones also work. If you don’t […]

Changing technology has also made it easier for people to expose their personal privacy to the public. Recently, a small gsm bug is very popular in the market. It is understood that many buyers have installed such eavesdropping devices on their cars. There are also many who respond to our colleagues who are afraid of […]

It is understood that the gsm bug is only the size of a coin and can be placed in the car or attached to a certain place on the car through a magnetic device. It can record driver conversations without their knowledge. Of course, an eavesdropper might also connect a car battery or a high-capacity […]

In fact, the principle of mobile cell phone jammer is very simple. It is mainly composed of three parts, antenna, special letter mobile phone amplifier, indoor antenna. These three parts form a wireless system to enhance cellular reception. Cell phone jammers are usually relay systems. The receiver system includes an amplifier that increases the gain or power […]

Needless to say, the cell phone jammer on the market can limit the cell phone signal launched by the rocket to within 500 meters, with a radius of > 20 meters. You don’t have to worry about other electronics being affected as it only blocks cell phone signals. When the nearby signal is blocked, the phone will […]

In addition to having a desktop style, there is no doubt that this high-power cell phone jammer can be used indoors and more, as well as in offices and conference rooms to create a peaceful environment. And this high-power 4G mobile phone jammer is designed with high power, so the strong shielding range is of course an […]

Since this cell phone jammer uses a stronger and longer external omnidirectional antenna, it can cut off all transmission frequencies covering the downlink from all directions. This Bluetooth UHF VHF 4G# adopts a new design, good cooling system and cooling fan, which can easily achieve the goal of 24/7 continuous work. Except that many high-power cell phone […]

Generally speaking, the common mobile cell phone jammer on the market can’t really interfere with the recording of the iPhone, mainly because the filter capacitor is added to the recording microphone system of the iPhone, so that the recording function of the iPhone has a relatively strong anti-interference ability. But not all cell phone jammers can’t work […]

Machines and equipment have passed rigorous testing and embrittlement testing before leaving the factory. However, some damage to the mechanical equipment during transportation was not removed. If the customer receives the goods and shakes the machine lightly, please hear the sound of parts falling. Disabled. And contact the agent or manufacturer to facilitate timely maintenance; […]

Radio frequency electromagnetic waves can cause the receiving antenna to generate radio frequency current. Theoretically, if the contact is poor, it will indeed generate RF sparks in the circuit, which can induce gas vapors. Zhang Bin, the fire evidence identification center of the Tianjin Fire Research Institute of the Ministry of Emergency Management, told reporters, […]

What surprised him even more was that when his colleague used mobile phones of other brands, the call quality was not affected, but it was still inconvenient to use the colleague’s mobile phone card on his mobile phone. A colleague of Mr. Zhang also confirmed to reporters that he has often encountered this phenomenon recently, […]

Some large or professional state exams also require cell phone jammer. Mobile phone signal jammers are also inseparable from accidents caused by improper operation of gas stations and gas station personnel. Some detention centers or large and medium-sized prisons also use cell phone signal jammers in order to communicate with the outside world through abnormal means. […]

During the test, there were phenomena such as cheating with the mobile phone when the mobile cell phone jammer was not connected. Play games on your smartphone or send text messages in the classroom. affect student learning. The main purpose of installing cell phone jammers in schools is to use support such as video surveillance. Install cell […]

Some individuals or companies that sell wireless cell phone jammer instruments use second-hand chips, machines with poor capacitors, and identical-looking eight-channel cell phone jammer on the market. The chip inside is 5 channels, and then the materials used are different. The chip is the heart of a cell phone jammer. The quality of the cell phone jammer […]

The outside world is cut off, covering all mobile communication equipment and masks. Effectively shield GSM/CDMA/DCS/WCDMA/LTE/WIFI) frequency bands. Built-in aluminum alloy radiator, the equipment has good short-term stability. Adopt foreign advanced technology and chips, soft start circuit design, high integration. Overfrequency cell phone jammer Only downlink jamming does not interfere with the base station. It is better […]

Is the phone ringing around you? Or when you’re watching a new Hollywood movie and someone picks up the phone and talks loudly? At gas stations, there’s a “No Cell Phones” sign, but some people don’t care about your safety when they’re on the phone. To solve all these problems, all we need is a cell […]

For some portable jammers, if the battery dies quickly, when you use a portable cell phone jammer, you won’t be able to remove it if the battery is damaged. Of course, you can use it in fixed places like home, office and some portable signal jammers, if the battery is dead, it will become useless […]

What surprises you is that this high-power 4G mobile phone signal jammer also has a wide range of applications, as well as examination rooms, conference rooms, bank halls, hospital waiting rooms, private rooms and other places that require quiet conditions. cell phone jammer can also be installed and widely used in security restricted areas, casinos, theaters, churches, […]

Many people have long felt that the mobile data signal at home is particularly poor. They can’t make phone calls at home or use mobile internet to connect to the internet. This doesn’t happen inadvertently at a certain time or at a certain time. The situation is the same across the region. It is seriously […]

This feature of the portable cell phone jammer makes it easy to use without any limitations. In addition, the portable cell phone jammer is easy to carry and easy to carry. Therefore, it is ideal for individuals. Portable influencers come in different models and sizes. Plus, there are 5G jammers that block all cell phone signals from […]

Cell phone jammers, although called jammers, don’t actually block data signals, but look like a data cell phone jammer. Generally speaking, the communication between a mobile phone and a smart phone is based on a communication base station, that is, a mobile phone-communication base station-mobile phone. The mobile phone signal jammer will affect the communication between […]

Long-term stable operation guarantee. Therefore, the high temperature casing will not damage the machine. This should be taken into account when using portable cell phone jammer for cell phones to affect shielding and avoid dead spots. For all these reasons, this can be a useful cell phone signal jammer. Here’s a simple link to “Small Device Writers […]

Everything is on the market because people need them and they help people in some way. Therefore, under this development trend, 4G 2110MHz-2185MHz mobile phone jammers also came into being. It helps a lot of people. Now more and more people are using 4G cell phone signal jammers. And wondering why more and more people […]

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 […]

The school installed 4G jammers in the dormitory. This is an act of internal management and is a good thing. He said that now most of the time using smartphones, many students spend the night in bed, and the spirit of class the next day is very lacking, which will affect their learning. After installing […]

4G mobile phone jammers are in demand from business organizations to schools, hospitals, banks, and even law enforcement agencies, and the demand grows as more needs to be done. A company in the US is said to have invented a device that interferes with the camera’s function. Many detainees continue to organize illegal drug trafficking […]

Before buying, you need to know which data signals you need to block. Commonly used mobile signals (234G) can be selectively blocked. If you only block 2, 3G or only block 3, 4G, you can change it before shipping. However, DXN’s cell phone jammer are shielded with full frequency bands. If customers need to shield a certain […]

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 […]

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 at teacher meetings. I’m not saying mobile jammers should be legal everywhere, I’m just encouraging students to focus on teaching during school hours. Once the school is […]

Sometimes cell phone jammers are essential, but sometimes they can be superfluous. Sometimes GPS can help people. Sometimes GPS is really bad, for example, it’s used for tracking. So there are two sides to the matter. Today’s social and economic development is getting faster and faster, and the progress of science and technology is obvious […]

With the rapid development of this operating industry, mobile phone GPS is becoming more and more accurate, and dual-frequency GPS is also commonly used in mobile phones. To be on the safe side, cell phone jammer can be used to stop certain people from getting their location. People who don’t understand the industry are likely to be […]

Some people are looking for a portable cell phone jammer that can be easily removed when needed. Someone is looking for a signal jammer with a shielding distance of several meters, which is suitable for many fixed places such as classrooms, homes, offices, etc. Cell phone jammers should be AC ​​powered. But are there high-powered cell phone […]

Because of this, this high-power mobile cell phone 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 […]

The size of the portable cell phone jammer is relatively small, the corresponding weight is also much lighter, and it is more convenient to use in mobile mode. The reduced size also makes it easier for users to place the cell phone signal jammer in a more discreet place when in use, making it easier for others […]

The power of portable cell phone jammer is relatively small, and the coverage area is relatively small. Desktop mobile phone signal jammers have higher power, larger coverage, and a wider range of signal frequency bands that can be shielded. But you should also look at the specific settings when buying, because some pocket jammers are very powerful, […]

Among the people who use cell phone jammer, some are to prevent cheating in exams, and some are for the quietness of meetings 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 public phone may use a […]

The users of cell phone jammer do not take into account the communication needs of outsiders at all, and the target is wrong. Cell phone communication should be restricted to a small group of people, such as test-takers, but expanded to include other ordinary people in the surrounding area. Secondly, the use method is improper, because the […]

When the mobile phone signal jammer is working, if the transmission power is too large due to improper settings, in small confined spaces such as conference rooms and classrooms, electromagnetic waves will be superimposed in the narrow space and pass through the walls. originally separated from the outside world. Multiple reflections from the ceiling and […]

For most antennas, installation requires fixing the antenna to a pole about 4m long. Antenna elevation, the angle between the antenna and the pole, can be adjusted between 0° and 5°. Adjustments can be made during installation to improve the state of the ground signal to a certain extent. Some people think that the coverage […]

Do you think you will protect yourself if you find any tracking devices around? This is indeed necessary. Search the internet and find a device called a wifi jammer. You will see the cell phone signal used to track the device. Jammers help avoid tracking. Our website will obviously make the best choice for you. For […]

What you should also understand is that wifi jammer provide all kinds of security data for such meetings. Received information can be sent over the phone. vulnerable. It is necessary to ban the use of mobile phones. Small jammers with various properties. We have a large selection of proven GPS radio circuit breakers. Military aircraft, prisons and […]

Japan relaxed cell phone jammer more than two years ago, requiring and allowing licenses to be used in theaters and other public places. You can prevent cellular frequencies from entering certain areas, while more expensive models interfere with larger areas. The company sells briefcase-sized devices that can cover a radius of around 150 meters, while basement-sized devices […]

A minute later, the reporter found that the mobile phone signal was indeed zero, and the screen displayed no service when making a call. “How much area can this machine cover?” “It should be bigger than this room.” “What if I want to shield a dozen rooms on one floor?” “Also, our maximum radius is […]

The requirements for many signal jamming devices are now very strict, and of course everyone needs to get a device that can meet their requirements at a good price, while also designing high technology and powerful jamming functions. You will have access to quality signal jamming equipment. After the extensive use of different types of […]

At present, schools are starting school one after another, and students do not focus on listening to lectures in class, playing with mobile phones or cheating in the examination room has formed a severe trend, so the series of educational examination room products are particularly important. The series of educational examination room products are designed […]

First, we need to know what 5G WiFi is. High 5G VIFI frequency The lower the frequency, the better the penetration through the wall; the higher the frequency, the faster the speed. 5G WiFi works on a high frequency of 5000MHZ and supports fewer terminals; 2.4G WiFi works on a frequency of 2400MHZ, which is […]

First, we need to know what 5G WiFi is. High 5G VIFI frequency The lower the frequency, the better the penetration through the wall; the higher the frequency, the faster the speed. 5G WiFi works on a high frequency of 5000MHZ and supports fewer terminals; 2.4G WiFi works on a frequency of 2400MHZ, which is […]

There are several types of mobile communication network signals we use every day. In addition to the 4G network signals that have been popularized at present, there are also 3G network signals that were popular in the past few years, and 2G network signals used by some elderly phones. Although the 5G network signal has […]

The biggest function of the mobile cell phone jammer is to accept the sensitivity test, mobile phone test, etc. The mobile phone signal shielding box and the shielding box have a lot in common, and they are also shielded in various shapes such as shells, plates, and sleeves made of conductive or magnetically conductive materials. It is […]

In order to be serious about the conduct of meetings and disciplines, the bureau installed and enabled mobile cell phone jammer in conference rooms of all sizes, allowing participants to devote more energy to the meeting; at the same time, it made practical moves and punches, paid close attention to the construction of style, and innovated warning […]

The emergence of mobile phones has greatly facilitated people’s lives, promoted the completion of work and study, and brought in the connection between people. But sometimes over-reliance on mobile phones will only make mobile phones a hindrance, a negative reaction. Especially for students, especially in the tense study period, if they rely too much on […]

The working principle of mobile communication is that within a certain frequency range, wireless devices (mobile phones, etc.) and base stations communicate through radio waves to complete data and sound transmission with a certain baud rate and modulation method. When the mobile phone communicates, it contacts the base station through the uplink frequency, and then […]

How many test signal jammers should be installed in a classroom? Every year when the college entrance examination is approaching, before this important day, the staff in charge of the college entrance examination room are actively preparing for the various materials needed in the examination room. There is also a mechanical device called a wireless […]

The popularity of smartphones continues to increase, and the range of applications continues to expand. Without it, we go from living consumption to employment. However, in some special occasions, the function of the mobile phone should be limited, but there are still people who do not follow the rules and use the mobile phone recklessly. […]

The wireless signal jammer in the examination room has become a necessary special tool for the examination room, which guarantees a fair and reasonable service for the examination room. However, if we do not use the equipment properly, the actual effect will be poor, and there will be a safety accident in the examination room. […]

5G signal jammers have many different names, signal jammers, mobile phone jammers, signal jammer, data signal influencers, data signal blockers, isolators on mobile phones, disconnectors on mobile phones, mobile communication technology signals Jammer, data signal shielding device, mobile phone shielding device, data signal shielding device, mobile phone blocking device, data signal blocking device, mobile phone signal […]

In recent years, various types of mobile phone signal jammers have emerged in an endless stream, dazzling us, but in fact, not all products are suitable for our use, and some products are also public, so the differences are counterproductive and we apply to other types of mobile phones. Among the signal jammer, there is a […]

With the popularity of mobile phones, the demand for mobile phone signal jammers in various conferences, exams, etc. has also greatly increased, so mobile phone signal jammers naturally have a broad market. However, most users do not know enough about mobile cell phone jammer, and often choose high-power shielding unilaterally in order to achieve good results, […]

In some exam rooms, cell phone jammer are often used, but do you know the key points when using cell phone signal jammers? Let’s learn together: 1. It should be noted that the mobile phone signal jammer should not be placed directly in a place that is too hot, such as a place close to a heater […]

As a new technology electronic device, smart phone is very fashionable in today’s society. It is a key concept of social development, so why can it be applied to mobile phones? Key vocational qualification exams across the country will use high-power WiFi signal jammers. Undoubtedly, mobile phones have already undergone earth-shaking changes in our daily […]

The WiFi signal jammer will generate heat when it is working, so it is necessary to install cooling fans and cooling fins to ensure that the machine will not burn out when it is working. But not every wireless signal jammer will make a particularly loud noise when turned on, because the fans used are […]

Do you love shopping online and point out that it is very convenient and easy to get what you need from an online store? When asked about that phenomenon, the answer to most people is no question, and in this In the field of technology, more and more people like to shop online, such as […]

Law enforcement officials say GPS jammers can jam GPS signals for periods of time they choose, making it impossible for law enforcement to get useful information when monitoring and retrieving a vehicle’s GPS track. Because the driver Han violated the relevant provisions of the “Chongqing Taxi Passenger Transport Management Measures”, he will face a fine […]

Yesterday, the reporter came to Yizhixin Auto Service Company, located at No. 80, Lane 820, Jindu Road, and found that the company’s logo had been removed and the door was closed. However, through the small door that was occasionally opened next to it, you could see that there were still staff inside. Two more cars […]