Professional signal jammer information blog on Greatjammer

Does the mobile phone signal jammer affect wired Internet access?

In some special occasions, such as examination rooms, gas stations, prisons and other places where the use of mobile phones is prohibited, it is often necessary to use mobile phone signal jammers to shield outside operator signals. There may be quite a number of people who don’t know much about ce ...

The use of jammers needs to be reasonably regulated

Recently, Xuchang Radio Management Bureau received complaints from mobile operators and quickly formed a joint law enforcement team to investigate the interference area of communication base stations. It was discovered that a company’s warehouse had privately installed cell phone signal jammer ...

Does the mobile phone signal jammer affect the Internet access of the laptop?

Laptops are used by more and more people for office and even entertainment purposes due to their convenient portability and other advantages. In some occasions, mobile phone signal jammers may be used for special needs such as confidentiality to shield and interfere with mobile phone signals. . As ...

What scenarios is the anti-UAV system suitable for?

Anti-UAV systems are also known as drone jammer and UAV interception systems, which are mainly aimed at blocking and intercepting remote control signals and image transmission signals for "black flying" UAVs. In recent years, drones have shown explosive growth, and black flying incidents have also ...

How to use the remote control of the high-performance jammer?

SEI0635 high-performance signal jammer is an integrated mobile phone signal jammer independently developed by Fujian Lingxin Information Technology Co., Ltd. It has many advantages over traditional jammers in the market. One of them is to support infrared remote control output power control. We all ...

Compared with traditional jammers, what are the advantages of digital jammers?

With technological innovations, cell phone jammer is constantly being upgraded, roughly divided into new digital jammers and traditional jammers. Compared with traditional jammers, the advantages of digital jammers are very obvious. Then, what are the advantages of digital jammers compared with tra ...

How to use HUP0443M handheld drone jammer?

HUP0443M is a handheld UAV jammer independently developed by Fujian Lingxin Information Technology Co., Ltd. The HUP0443M handheld UAV jammer can interfere with the current civil UAV frequency bands on the market: 5.8G, 2.4, Beidou 1.2G and GPS1.5G; interfere with the flying UAV, causing it to lose ...

U.S. prisoners use drones to transport tools to escape, there is a hidden danger of illegal use of drones

The South Carolina Department of Corrections and Law Enforcement Departments confirmed on July 7 that Jimmy Cousy, who had fled from prison a few days ago, was arrested that morning. Jimmy Cousy was suspected of using drones to transport tools and used these tools on the night of the 4th. Implement ...

UAV jammers can effectively stop "black flying"

On the morning of March 29, Shenzhen Customs announced at a press conference that it had cracked a major case. A group used drones to "fly wires" to smuggle nearly 500 million mobile phones and other electronic products. The method of this case is very rare, and it can be said to be the first seizu ...

Mistakes in Xi'an drone light show performance may be caused by drone jammers

On the evening of May 1, 1,374 drones performed a magical light show in the night sky of Xi'an city wall, which attracted a lot of attention and was amazed. However, there were reports afterwards that the on-site drone light show was wrong, and a corresponding video was circulated on the Internet. ...

Why use these methods to counter drones?

GPS spoofing At present, under normal circumstances, most consumer drones will prefer GPS navigation for flight control, while civilian GPS signals are unencrypted, which leaves usable space. The main principle of GPS spoofing is to send false geographic coordinates to the UAV's control system to c ...

What is the development prospect of the UAV countermeasure system?

With the rapid opening of the UAV market, it is no longer difficult for people to own a handheld “handy machine” that “fly when they want to fly”. However, accidents of unmanned aerial vehicles “overfly” and “black flying” occur frequently, hurting people. Destroyed objects may even be used ...

A power supply bureau introduced UAV counter-guns to deal with interference

In order to effectively prevent and control the damage of external drones to the safe and stable operation of the power grid, recently, a power supply bureau introduced a drone counter-gun to conduct a drone control signal interference test at the 500 kV Tongren substation, and successfully realize ...

There are currently two types of drone management and anti-control!

In recent years, with the increase of the drone user base and the rise of the drone industry, there have been chaos such as "black flying" invasion, aerial photos peeping, and falling accidents. The use and management of drones will soon be included in the orbit of the rule of law. . In order to av ...

Liangjian UAV countermeasure equipment-UAV countermeasure system

In recent years, the UAV market has grown rapidly. With the large-scale R&D and production of many manufacturers, commercial UAVs have become extremely cost-effective and have become increasingly popular. However, the domestic supervision of drones, especially "black flying" drones, is still in a b ...

Digital distributed wireless signal jammer

Independent frequency band shielding and controllable At the same time, the shielding function is realized. According to the field strength environment, the shielding range is 1-30 meters. The power of the wifi jammer output is adjustable, and the accuracy of the coverage is improved. The TCP/IP tr ...

It is impossible to expect 6G to introduce satellite internet

The value of the 3GPP organization is that optical fiber communication and cellular mobile communication are both localized businesses. It is difficult for operators to achieve global coverage, so they must cooperate with other operators to provide interconnection and roaming. Then we need to maint ...

How to block the mobile phone signal?

Shielding the mobile phone signal is an act of temporarily disappearing or weakening the mobile phone signal by using a certain device or a certain method. It is mostly used in education department examinations or state secret agencies and confidential projects. Some methods and equipment for shiel ...

How to choose a more suitable wireless signal jammer?

Next, the editor will introduce to you, I hope it can be helpful to everyone. For different shielding areas, different types of wireless signal jammer should be selected: The shielding form can be roughly divided into indoor type and indoor type. For the actual output interference signal, the forme ...

Does the mobile phone signal jammer need to be adjusted?

Signal jammer is required in many places, but many people do not know how to install mobile phone signal jammers. Some people think that the signal jammer can be directly connected to the power source, while others think that the frequency needs to be adjusted. It is difficult to determine whether ...

The shielding range of the signal jammer is not fixed?

When buying signal jammer , the shielding range of signal shielding is what many customers want to know. Is the shielding range of the signal shielding device fixed? Naturally not. During operation, the signal screening machine scans from the low-end frequency to the high-end frequency of the chann ...

The manufacturing process of the mobile phone signal jammer manufacturer is very special

There are various models of mobile phone signal jammers on the market with different prices. Of course, no matter what you buy, you will get a penny. When we buy a mobile phone signal jammer, we must also choose the manufacturer of the mobile phone signal jammer. Although the production process of ...

Four steps to teach you how to choose a mobile phone signal jammer

Mobile phone signal jammers are produced to reasonably avoid and interfere with mobile phone related signals, such as GPS, WIFI, 2G, 3G, 4G or future 5G. Mainly used in school examination rooms, prisons, detention centers, etc. In order to ensure the fairness and justice of the examination, the hig ...

Small knowledge of signal jammer

Nowadays, all kinds of jammers are common in the market, and everyone's understanding of jammers is uneven. What should we know about the jammer? The first point: Everyone thinks that the higher the power of the mobile phone signal shielding setting, the better the shielding effect. In fact, this i ...

The mobile phone signal jammer can solve the hidden danger of disturbing the order of the examination room

In today's mobile Internet era, smart phones are very popular. However, things that bring convenience to people's lives and are used for illegal activities emerge in endlessly. Take the test as an example. In the past, cheating relied on cheat sheets, smuggling notes, and even writing formal questi ...

UAV countermeasure equipment manufacturers say that the price of drone countermeasures equipment is exquisite

There are still many important events in China, but such events are often more confidential, but many people still use drones to satisfy their own ideas of spying. This phenomenon is still very common, so once such a large-scale The event will be prepared for anti-drone equipment to avoid the inabi ...

Multifunctional handheld GPS signal jammer

In the information age, communication technology has developed rapidly, and mobile phones have become an indispensable tool in people's daily work and life. However, the widespread use of mobile phones has also produced some problems that cannot be ignored, mainly: Become a new leak channel, posing ...

Brand awareness of mobile phone signal jammer determines equipment reliability

As more and more industries have a strong dependence on shielding equipment, equipment purchase has become a core element that cannot be ignored. After all, the shielding technology required by different signal types is also different. From this perspective In other words, it is still necessary to ...

Portable mobile phone jammer-a fighter to prevent mobile phone pollution

The mini cell phone jammer has a design, which is very convenient to be similar to a mobile phone. You don't need to hide it, because everyone will think of it as a cell phone, not a jammer. The working principle of this mini-phone jammer is similar to other jammers: it can block the signal transmi ...

Models that cannot be controlled by the monitoring jammer

The emergence of a high-tech product is a manifestation of technological innovation, but there is no panacea, so no matter how delicate our research and development of this monitoring system is, there will always be some monitoring that cannot find interference channels. This is in our industry. It ...

Mr. Li Yanhong's personal cultivation and quality

Mr. Li Yanhong was poured on his head with a mineral water bottle by a strange man during a new product development seminar. The scene was very embarrassing. Since it was an emergency, the security could not stop him, but Mr. Li did not hold him personally afterwards. He did not make any more comme ...

Monitoring blocker and C++ language association

Gone are the days when only computer science engineers were needed to develop software and electrical engineers only needed to deal with camera signal jammer hardware. Therefore, non-computer engineers, especially electrical engineers, have a growing tendency to learn at least one programming langu ...

Do not use jammers in underground parking lots

I have met such a customer. He was very satisfied with our products before, but it may be due to confusion. He went to a shopping mall to shop and placed this monitoring portable jammer in the trunk of the car. At that time, he I also bought one of our accessory products, which is a high-capacity p ...

Surveillance jammer and face recognition system

After entering 2019, major cloud technology companies are paying more and more attention to imaging data collection, and the competition is also quite fierce. Among them, many well-known companies have begun to develop and research face recognition systems, and their application departments are als ...

There are several ways to monitor jammer interference

Surveillance camera is a relatively common electronic optical device in our daily life. Whether it is a social group, government department, security department or enterprise or individual, it is involved in it. Many departments use it for safety considerations. There are also Many are to monitor t ...

Monitoring shielding for light-emitting diodes

LED (or light-emitting diode) is the most commonly used indicator in electronic products. However, LEDs themselves are rarely used in camera signal jammer devices. They are usually used in combination with LED light pipes: the unique structure increases visual feedback on the user interface. In thi ...

Surveillance jammer wins gold technology award

Yingying is green and red, and Amy Technology has won new awards. This year’s wifi jammer industry invention awards belong to our company again. The final product is the company’s main surveillance camera jammer. We started this instrument in 2015. After R&D and production, the finished product i ...

The application of mobile phone shielding technology in high frequency transformer

High-frequency transformers and inductors used in power supply systems, such as flyback transformers used in cathode ray tube (CRT) displays, usually have a strong radiated magnetic field, but because the working frequency of this transformer is consistent with the line deflection frequency of the ...

Strengthen management of mobile phone signal of company jammer to improve performance

Have you bought anything online? I believe that most students have bought it. With the development of the Internet, shopping online will become more and more widespread, especially the development trend of Taobao shopping website is unstoppable, but this has now affected the work efficiency of mode ...

What factors can affect the stability of signal shielding equipment?

The influence of external and environmental factors causes different signals: 1. Because the base stations of China Mobile, China Unicom, and China Netcom have different power and channel numbers, and the distance between the base station and the prison, the size of other nearby buildings, topograph ...

What should I do if the quality of the signal jammer is not good?

In the process of choosing a signal jammer, quality is a very important part. Only when we actually buy a better quality product, can we have more guarantees in the process of using it, but some people are choosing the time. However, they did not pay attention to it thoroughly, and finally bought p ...

How does a car pawn loan company choose a car GPS signal jammer?

In the past two or three years, the demand for dual-purpose mobile phone GPS signal jammers for car garages has been increasing. What customer group likes it so much? I think many people should know the answer. It is a car pawn loan company. This type of company is a platform for borrowers to use s ...

Features of dual-purpose mobile phone GPS signal jammer for car garage

With the improvement of people's quality of life, more and more people have become car owners. Today's vehicles are generally equipped with GPS positioning and built-in communication systems. However, in order not to be affected by mobile phone calls while driving, some car owners will choose to in ...

What are the pain points of wifi mobile phone signal jammer?

The development of smart phone wireless networks has a great effect on improving the speed of development. Mobile phones can handle network problems. Mobile phones have a more important effect on people's lives, mobile communications and mobile Internet, and other aspects. Because of this, it has c ...

On the Necessity of Using Mobile Phone Signal Jammers in Important Occasions

Nowadays, mobile phones are becoming more powerful and smarter. They can not only make calls and send text messages, but also social chat. Some social softwares are also more powerful. They can do live broadcasts, they can receive video with each other on the spot, and they can also record... Then ...

How to make the 4G signal jammer play a role in the meeting?

In some situations, when we need to enjoy a quiet environment, what we hope most is not to be disturbed by mobile phone ringtones, such as making requests in church, meeting in company, resting at home, perhaps in theaters and many other occasions. In order to end this policy, signal shielding equi ...

Establishment and protection of mobile phone signal shielding system in campus examination room

Mobile phone signal jammer is a relatively professional modern communication signal shielding tool, which is often used by campuses to avoid high-tech cheating. This puts higher requirements on mobile phone signal shielding skills. Therefore, how to lay out a signal shielding system has become a ke ...

Will GPS signal jammers shield cell phone signals?

Will GPS signal jammers shield cell phone signals? In fact, not all gps jammers can shield cell phone signals. Let me introduce to you. At the beginning, the car GPS jammer was a wire installed in the position of the car cigarette lighter, and the GPS signal can be shielded by the power supply afte ...

How to judge the quality of GPS shielding device?

Nowadays, some products are very similar in appearance, but different in quality. In the process of purchasing gps shielding devices, how to judge the quality of the products? When making purchases, this is the basis for us, but there are In the process of buying, they are not completely clear. How ...

Is it okay to have a mobile phone jammer per classroom?

The college entrance examination is coming soon, the key admissions, qualification certificate examinations or final examinations all need to install mobile phone shields to shield the signals of electronic devices around the examination room and avoid possible electronic cheating. So, how large ca ...

Answers to some frequently asked questions about mobile phone signal jammers

1. Will the cell phone jammer affect the normal operation of other electronic products? Answer: No. This is because the electromagnetic data signals transmitted by the equipment fall completely within the working frequency band of mobile phones specified by our country, which will only block mobile ...

Why is a mobile phone shielding device installed?

If the mobile signal is not good, a cell phone jammer device may be installed. The purpose is to let everyone install broadband. Is this true? There are many people who are suspicious of this problem, and friends who live in the old city can observe a lot. I don’t know if you have noticed that som ...

What are the functions and disadvantages of Gps signal jammers?

The role of gps signal jammer: GPS signals are the same as cell phone signals and are very susceptible to the influence of electronic devices. GPS signal jammers can shield all data signals within a certain range, so that all communication devices in the range lose their signals. Installing a GPS ...

What should the prison consider when choosing a mobile phone signal jammer?

What should I consider when choosing a cell phone jammer in a prison? Let me introduce it to you. One: effective shielding The so-called effective shielding refers to whether the shielding effectiveness has blind spots and leaks. In some prisons, there may be transmitting communication base station ...

Installation skills of mobile phone signal jammer

Everyone is not unfamiliar with the use of cell phone jammer . In the examination room environment, in order to achieve sufficient fairness and justice and avoid cheating in the test, mobile phone signal jammers will be set outside the exam room. In order to achieve a better shielding effect, what ...

Is the jammer easy to crack in the test room?

Nowadays, exam rooms have jammers, but some people want to use some methods of preferential treatment and even look for system gaps at all costs. Is the signal jammer in the test room very easy to decipher? There has to be a lot of people wanting to decipher, but it is recommended that not everyone ...

Heat dissipation of mobile phone WiFi shield

Nowadays, mobile phone wifi shields are installed in every exam venue. However, after a period of application, the device will become hot, and the hotness may endanger the normal application of the device. It is very necessary to dissipate heat from the shield, and there are certain differences in ...

The use of jammers in prisons has become a national consensus

Véronique Gigon told swissinfo: "With the methods available today, it is almost impossible to prevent cell phones from entering prisons." The parts that make up cell phones are getting smaller and smaller and they no longer contain items that can be detected by metal detectors. So he can pass the ...

Swedish prison introduces jammers to prevent criminals from using cell phones

France and the UK have introduced cell phone jammer in prisons. The pilot project of three Swiss prisons will also be completed by the end of July. Repeated use of cell phones by criminals has become news. Last October, the case of Mohamed Achraf (Mohamed Achraf) occurred in Switzerland. He was a t ...

Mobile phone detection location capture system

When a mobile communication terminal passes through the device, the device automatically silently collects the terminal's unique identification code information (IMEI, IMSI, etc.) and stores it in the central storage server. The central storage server can perform calculations on the collected infor ...

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