Professional signal jammer information blog on Greatjammer

Various ways to combat privacy invasion by drones

Nowadays, many people are tired of unmanned aircraft, especially the recent development of unmanned aircraft, they will provide all the advantages provided by daily life. Oops, we even got reviews of our trade show drones, such as Syma X5C and Parrot Bebop, and thought they were great. Drones are o ...

It's not easy to figure out GPS jammer devices

GPS jammers are available in a variety of sizes and configurations. You are most likely to encounter a design as a fleet operator who has an adapter that contains 1-3 antennas and plugs in the cigarette lighter. These are simply dimmed and only inserted when the driver wants "dark". Since the intro ...

Signal jammers can be used to prevent cheating in exams

Cheating in exams is a very common problem all over the world; it seems that students have learned to cheat in exams. Although they still use cheat sheets, students are now increasingly relying on more technical means to take cheating exams. With the rapid development of technology, such as spy ear ...

Mobile jammers are controlled differently in different countries

Mobile phone interference laws vary around the world. Japan allows jammers to be installed in public places such as theaters and concert halls, provided they have a government-issued license. The French Minister of Industry has decided to install cinemas, concert halls and theaters in cases where e ...

Interfering with GPS in military applications and the response of different countries

This is North Korea’s fourth GPS interference since 2010. The interference affected approximately 1,000 civilian aircraft and Korean military drones. According to statistics, the last time the GPS car navigation system in Seoul was interfered in 2012. South Korean officials emphasized that the att ...

A large number of GPS jammers have been found in Europe even more jammers

According to reports, in the past 18 months, the European Union’s STRIKE3 project has detected more than 160,000 GNSS interference incidents. These events were obtained through sample tests conducted in 14 different countries/regions. At the beginning of the project, when sampling only in the Nord ...

A new application of mobile phone signal jammer

In order to obtain more knowledge beyond books and teachers, many parents will buy smart phones for their children to strengthen their children's learning. It is possible to use smart phones reasonably. Some parents will bear Mind, if children are addicted to Internet games, it will be serious. Whe ...

How to use the jammer to achieve the best effect

Every year in the exam season, all parties begin to prepare for the exam nervously, and the invigilators also have their own methods to prevent high-tech cheating, and the special screening staff of the exam room is one of them. There are many kinds of shields. Users should clarify their needs befo ...

What are the advantages of mobile phone wireless signal jammer?

In the past few years, various types of cell phone signal jammers have emerged in an endless stream. We are dazzled and dizzy. In fact, not all products are suitable for us to apply to ourselves. Some products are public, so they are not. Suitable for us to apply to other fields, there is a very sp ...

Russia's use of jammers undermines GPS confidence

In the past 12 months, Russia has increasingly actively used GPS jammer to destroy GPS signals and weakened people’s confidence in the “gift from the United States to the world”. These activities seem to meet some of Russia’s national goals: Western military and peacekeeping operations have suf ...

Remote control jammers and how they can be useful

Remote interference devices are very good tools, here we will try to explain some things about them. The first thing here is that unlike most other blocking devices, remote jammers can be considered “user friendly” devices. Unlike other blocking devices (such as cell phone signal jammers or GPS j ...

What are the main technical indicators of signal jammers?

In the industrial production process, a variety of instruments and meters are used in the monitoring and control of the generation process, which will generate a variety of signals: both faint small signals of millivolt level and tens of volts Large signals, even strong signals up to thousands of v ...

Project Sentinel study reveals use of GPS jammer in UK

A groundbreaking study has shown that Global Positioning System (GPS) jammers are being used illegally in the UK. GPS jammer is believed to be primarily used for people driving vehicles equipped with tracking devices to cover their whereabouts. At one location, the Sentinel Study recorded more than ...

Professor said jammers are a very difficult technology

The agency lives in a world where the range of low-power signal jammer can be up to 30 feet, and more advanced gears can block all football-sized transmissions. These obviously raise public safety concerns. However, what if small-scale interference technology can be installed on a steering wheel th ...

We need high-power mobile phone signal jammer and WiFi jammer

Nowadays, there are many types of mobile phones available for communication, and they are cheap. Whether you are an old man or a boy, you can easily buy a useful mobile phone according to your needs. Each coin has two different sides. Today, people abuse this large-scale communication tool. Because ...

How the adjustable multi-purpose signal jammer will provide you with more convenience

Now usually in order to avoid some unnecessary troubles, in order to obtain a peaceful environment, or improve efficiency, etc., it is essential to use some additional tools. Now the signal blocker helps those who worry about mobile phone calls, mobile phones at night Noise and people being tracked ...

Why do people like this portable mobile phone WiFi jammer?

Do you only need to use signal jammer at home, or use signal jammers in offices and many other fixed locations that can be powered by AC power? If you ask people this question, the answer is of course not. In fact, more and more people now need signal blockers that can be used in fixed locations an ...

300-500m mobile phone shielding device for prison army

Have you ever seen a mobile phone shielding device specially designed for military and prisons and other important places? In fact, this kind of military prison that uses phone shielding devices has been widely used and now has played an important role. You can learn more about the overall situatio ...

30-40m mobile phone jammer suitable for government use

Now more and more multifunctional signal jammers enter the market with different appearances, etc., and they are also used in different places and regions. So how to choose a mobile phone signal jammer that can meet your requirements also depends on your needs. In this article, you will get more in ...

500-2000m multifunctional signal jammer

In some places where 50-100m mobile phone jammers are used, 100-200m phone signal jammers and even 300m mobile phone signal jammers are not enough, because the shielding distance is not enough to meet the requirements. If you are looking for a more powerful shielding range, here you will get a 500- ...

Strict military test mobile phone signal jammer goes online

According to reports, metal detectors and cell phone jammer in recent military examinations have been launched to escort the fairness and justice of military examinations. Soldiers are the backbone of the country. Many families hope to send their children to military academies to serve as soldiers. ...

Drone jammer: make society more civilized

Nowadays, science and technology are becoming more and more developed, and drones appear more and more frequently in life. Although advanced technology has brought people a lot of convenience, as a large number of consumer drones appear in people’s lives Many people use it to do things that disrup ...

Wireless signal shielding instrument is becoming popular

There is an increasing demand for cell phone jammer in the market, and one of them is the mobile phone signal jammer for exams. In order to achieve the fairness of the exam, most exams will choose to use a mobile phone signal jammer. According to statistics from the Ministry of Education, there wer ...

How does a 4G signal jammer block 4G signals?

Technology 4G is an advanced and promising mobile communication product, its characteristics include the following factors: high data transmission rate, and improved voice communication quality. It is worth noting that the 4G format operates on previously unknown frequencies. In fact, thanks to thi ...

Some occasions use high-power mobile phone jammers

Nowadays, anonymity is very important, and people look for opportunities to protect themselves from unnecessary personal phone conversations. From now on, all conversations you have over the phone will keep all your personal data safe, and no one can enter them, despite all efforts or wishes. In ad ...

Wifi jammers make our community safer

In the fight against the use of banned cell phones by criminals in prisons, law enforcement agencies may be closer to a technology that can interfere with phone signals in prison without affecting nearby communications. In January this year, Justice Department officials and researchers from the U.S ...

GPS interference is increasingly threatening satellite navigation positioning and precise timing

MIL and Aviation Review, June 28, 2016. How much do you trust and rely on your personal GPS satellite navigator to know where or how to reach your destination? GPS interference may occur. If you rely heavily on GPS, you are likely to lose trust and everyone will find a friend’s house, restaurant o ...

Fixed GPS signal interference issue for driverless cars

The Southwest Research Institute (SWRI) in Texas has developed a rigorous method to test how susceptible driverless vehicles are to GPS spoofing. GPS is a key technology in driverless vehicles as it enables them to calculate their position, navigation and timing. Concerns have been raised that bad ...

Drones fell from the sky during the light show

A recent drone incident in Taiwan at such a light show shows that for security reasons, it is very important to embed network security in the use of drones. Among the 800 drones used during the light show, 48 crashed during the light show of the "Drone Fireworks". The official report found "signal ...

The US Army asks BAE to develop an advanced radar jamming technology

The technology aims to improve air survivability and mission effectiveness for rotary wing aircraft and UAS of the US Army. WASHINGTON - BAE Systems has received research and development funding from the US Army to develop an advanced radar jamming technology. The technology aims to improve air sur ...

The sales of anti-drone technology due to the control of drones have been put on the agenda

With the release of these requirements, sales of anti-drone technology are also on the agenda. According to the U.S. Department of Defense, in January 2017, the U.S. Army awarded Syracuse Research Corporation a contract worth $65 million to develop, produce, and deliver 15 new anti-UAV systems to ...

Drone on drone war with jammers

Following the alleged drone attacks on London Gatwick Airport in 2018, we have been on the lookout for effective countermeasures against these fraudulent drone operators. An interesting solution was developed by [Ogün Levent] in Turkey and briefly documented on his Drone sense page via Crowdsupply ...

Disruptors enable employees to have efficient work efficiency in the company

Today, an efficient workforce is essential to the normal operation of the company. In fact, labor is the main reason for the rise and fall of a company’s reputation. Therefore, employers should be cautious when hiring workers to join the organization. According to business experts, incompetent emp ...

Portable jammers reduce quarrels with others

Looking for a portable mobile jammer to help you avoid all sorts of troubles? As you know, people's lives are becoming more and more busy due to the development of mobile phone technology in the information age. Sometimes you just want to play in a quiet environment. For a quiet and healthy daily l ...

Indoor high-quality small jammer

As we all know, in order to achieve certain needs, interference with mobile phone signals is used to achieve the purpose. The best option is to buy different types of small jammers in the market to meet your needs. Looking for jammers that can intercept 3G mobile phone signals in the signal and hav ...

The shielding range of the mobile signal jammer cannot be solved by a single factor

The working principle of the cell phone jammer : The shielding device scans from the low end frequency of the forward channel to the high end at a certain speed during the working process. The scanning speed may cause garbled interference in the message signal received by the mobile communication, ...

Car GPS signal jammer is very important to some customers

Car GPS jammer is very important to some customers. For example, a mortgage car company temporarily gains control of the car after handing over the funds to the original owner. In order to prevent the vehicle from being stolen by the original owner, it is recommended that these companies purchase G ...

Knowledge about all aspects of shielded rooms

Isolation areas and isolation rooms can often be heard, but to be honest, shielded rooms should probably not be well-known things, so today Shankino has come to popularize the following dry knowledge about shielded rooms. Let's put a hat on the concept of shielded room. Generally speaking, the shie ...

Our company provides various types of jamming drones

Our company provides many technical equipment that can interfere with drones by selectively blocking control signals. UAV detection radars, UAV spectrum analyzers and UAV detection sensors are designed to provide timely advice for approaching UAVs, while a complete anti-UAV system requires the use ...

Examination room signal jammer range, functional characteristics and usage method

Examination room signal jammers must be familiar to everyone, because we will encounter them during the exam, so let us and Shan Jinuo to understand the scope of the exam room signal jammer, its functional characteristics and how to use it. Examination room signal jammer range 1. jammer Cell phon ...

UAV jammer countermeasures without fear of drones flying black

In recent years, unmanned aircraft have become very popular, but more common is the frequent occurrence of "black flying" incidents by drones. If there are countless reports and criticisms about drones as a new thing, where should they go? How to eliminate the "black flight" of drones? First of all ...

U.S. government purchases portable drone jammers

The U.S. government is buying about 100 Poratble drone jammers to protect government facilities, property, and personnel. The jammer interfered with the drone's radio control and avoided dangerous substitutes for bullets and other projectiles. According to the defense technology company, Battelle L ...

Will UAV jammers stop or deceive drones?

What does it mean to "block" or "cheat" drones? What's the difference? The pilot uses the remote control to connect to the drone and guide its flight path, but the radio signal between the remote control and the drone may be interrupted. This kind of deliberate destruction of radio signals is colle ...

New UAV policy and remote signal jammers

US federal authorities announced a new UAV policy last month: Entertainment UAV operators will be asked to register their planes. Transport Minister Anthony Foxx explained why the new policy was necessary: "People who break the rules cannot be sure of responsibility." The working group is expected ...

Just buy a high power signal jammer at a reasonable price here

If you spend a lot of money on items, you actually need but not high quality and fully meet your requirements, this is really a pity, this is also a situation that many people do not want to meet and want to avoid it has become the rule, when When people need to use signal jamming equipment, this r ...

Have you heard of GPS jammers and used them?

Currently, maintaining control over private conversations is very important, because in the technological age, everyone can listen to conversations and track location with the help of special spy equipment. Many people who want to find useful confidential material are listening and monitoring certa ...

How to block WiFi network?

One of the basic values of all people is freedom of movement and protection of personal confidential space and data. Private data often attract the attention of the outside world, and there are more and more new spying methods every day, especially in the business world, which is not surprising. Co ...

The wireless jammer is a universal multifunctional device

The signal jammer is a universal multifunctional device that can be used as a jammer for various signals. The radio interference is just perfectly coped with the purpose-suppression pair to activate domestic communications here. This multi-function device closely involves many areas of human life. ...

Commercial mobile phone jammer can make work more smoothly

Today, information technology is developing at an unprecedented speed. There is still not a large number of citizens without such devices, such as mobile phones. However, despite the usefulness and interestingness of technological developments in this field, there are many ways to use them to harm ...

Different types of GPS jammers

Today we can see all kinds of GPS jammer , they are all different. However, all GPS jammers have the same working principle as mobile phone jammers. When the jammer is turned on, it will disable the GPS tracking device signal, so GPS will stop working normally and lose the tracking function. Each j ...

Why do prisons need to introduce mobile phone detectors and mobile phone jammers?

Interference technology has developed, and prisoners’ efforts to smuggle equipment are also evolving. She said these tests could lead to more widespread use of jamming technology in prisons to fix prisoners' phones, which officials across the country call their number one security threat. This has ...

The role of WiFi jammer interferes with WiFi

The chairman of the Association of Police Chiefs of England and Wales suggested in an interview that wifi jammer used to interfere with the Internet-devices on the ankles or wrists-could be used as a more sensible punishment for cyber crimes rather than prisons. "We must stop using 19th century pun ...

These things affect the way the test signal jammer works

Many schools have been busy lately as the college entrance exam days are counting down day by day and they are constantly preparing the materials and machines needed for the exam room. This should enable candidates to take the exam in a stable and orderly environment. This is also the responsibilit ...

How to protect business secret meetings from illegal recording

When a business meeting is held, no one can guarantee that in an important meeting, one's own competitors will not install some equipment for listening. In this way, one's own company will also be threatened with the disclosure of trade secrets. An effective way to prevent opponents from recording ...

How to choose a suitable recording blocker?

As a new product, recording signal jammer has received more and more attention and support from people. Users have changed from the previous government agencies (mainly the public security system and service-oriented windows) to the current enterprises, and the needs of enterprises have gradually i ...

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