What is the principle and performance of the positioning shield?
Many vehicle buyers are stolen by the original buyer on the parking road, and now shields are used to assist everyone. Usually the pledged car is installed with a locator by the original buyer. When you drive the car on the road, whether you are resting in the service area on the road or on the hig ...
Precautions for installation of signal jammer in examination room
In various examination venues, we can currently see all kinds of auxiliary equipment to maintain discipline in the examination venue. For example, a tool such as an examination room signal jammer. Although, it is mostly used in places inside the house. But in fact, it can be used outdoors. What sho ...
What is the role of GPS shielding device?
GPS shielding device can prevent being tracked by GPS communication satellites, regionally affecting GPS communication satellite signals, and maintain your track privacy protection and information business secrets. GPS signals are the same as those of smartphones, and they are easily affected by el ...
Is the mobile phone signal jammer harmful to the human body?
In today's society, whenever we have large-scale exams or other exams, we will use mobile phone signal jammers. Then some people may be worried about whether the jammer has any effect on the human body? Then I will give you an answer. First of all, we must face the signal jammer rationally and scie ...
How to detect the signal strength of the mobile phone jammer?
Mobile phone shields are often used in school examination rooms, student apartments, detention centers, prison cells, military, military districts, and interrogation rooms. In order to prevent students from using mobile phones to transmit information, leak exam papers, cheat on exams and other purp ...
What is the working principle of the mobile phone signal jammer?
The function of the mobile phone signal jammer is to intercept the signal, and it is used in many places. The most application place you have touched is the test field. Nowadays, the transmission rate of messages is extremely fast. With a mobile terminal, all kinds of messages can be delivered to e ...
What should I pay attention to when choosing a mobile phone signal jammer?
In our real life, there are some places where mobile phone signal jammers are used. Therefore, we will purchase some basic jammers to shield our own basic positioning. Then how to choose a suitable signal jammer ? Let's take a look together below. Before purchasing, you must know which signals you ...
Talking about the influence of mobile phone signal jammer on people
At present, the common mobile phone signal jammers on the market have effective frequencies: 869—894MHz; 825—960MHz; 1805—1880MHz and 1900—1990MHz, etc. The effective frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can handle a range of 40 meters in diameter, using a DC-DC convert ...
Precautions for installation of signal jammer in examination room
In various examination venues, we can currently see all kinds of auxiliary equipment to maintain discipline in the examination venue. For example, a tool such as an exam room signal jammer. Although, it is mostly used in places inside the house. But in fact, it can be used outdoors. What should I p ...
Installation steps of mobile phone jammer
With the continuous development of technology, the use of mobile phones has become more and more widespread, but mobile phone signals are not allowed in many places. For example, in the college entrance examination, in order to avoid cheating and other behaviors, mobile phone shielding devices will ...
Technology advances by leaps and bounds, signal jammers are catching up
When the communication technology developed to the 2G era, signal jammers were able to function perfectly. At that time, most operators used the same frequency band, and the frequency was relatively fixed, so it was relatively easy to interfere with it. With the rapid development of communication t ...
There is no risk to health when using the signal jammers correctly
Is there a way to solve the problem of being heard? I'm proud to tell you it's here. More precisely, it is a technique called "jamming", namely the scramblers and the jammers. With the popularity of mobile phones, this interference has become popular among the public. Interference is a device that ...
Base station interference troubleshooting workflow
Because the LTE system's co-frequency networking and traditional frequency division system interference investigation are very different, there is no experience in on-site interference investigation that can be used for reference. There are problems such as blindness and difficulty in locating inte ...
Do you know what the mobile phone shielding cabinet does?
With the implementation of modern office models, the daily work processes of governments, military, scientific research, and corporate units in China are inseparable from the application of information equipment such as computers. Although the application of such electronic products has improved of ...
What has changed after using the mobile phone jammer?
After using the signal jammer , what will happen to the phone? Let's take a look at it together! The signal jammer is a very magical thing. After use, it will change very strangely when installed indoors. It's just that no one can see this change. So many people are confused, how can a small thing ...
Analysis on how to choose mobile phone shielding cabinet
In the age of Internet development, the network is developing very rapidly, and the security issues behind the development of informatization have become a serious test at the moment. Information leakage prevention and anti-monitoring are issues that need to be resolved in departmental sites. Mobil ...
Talk about whether mobile phone shielding bags really work?
The so-called " cell phone jammer bag" is a kind of bag for storing mobile phones, except that the fabric has been specially treated (nano shielding coating, which can effectively block electromagnetic signals), so that it can block the signal connection between the mobile phone and the communicati ...
Mobile phone signal shielding bags have entered more places
The mobile phone signal shielding bag is a small cell phone jammer . We are familiar with the function of this mobile phone signal shielding bag. We all know that it has a good confidentiality and protection function for its use, so it is now It has been applied very importantly in many places, let ...
How does the wireless signal jammer dissipate heat?
Wireless signal jammers are high-power and high-current devices that generate heat during operation. If they do not dissipate heat in time, it will affect the normal operation of the machine, and seriously endanger personal safety. Most of the similar or other power device electronic products will ...
The better working principle of wireless signal jammer
The working principle of the wireless signal jammer is: within a certain frequency range, the wireless device (mobile phone, etc.) and the base station are connected by radio waves, and data and sound are transmitted at a certain baud rate and modulation method. Mobile phone communication connects ...
U.S. military installations may not allow the use of smartphones
The US Department of Defense is reviewing whether the use of mobile phones should be banned at the Pentagon-where 23,000 military and civilian personnel work at the national military headquarters. The review began in early January. In fact, the U.S. defense agency has been comprehensively reviewing ...
Hidden WiFi Bluetooth 3G 4G Cell Phone Signal Jammer
Everyone knows that stress can lead to mental deterioration that can endanger their health. It is said that relaxation is the key to a healthy mind and body. Learn to relax, learn to use 4G cell phone signal interference, get away from 4G phone, open your health and good life. Desktop WiFi Bluetoot ...
Why Germany needs to focus on GPS jammers
US military experts said to maximum limit, near the field of American troops during closed exercises regional GPS signal, which means that a large number of domestic civil aviation flights were serious, this also shows that the exercise is "real" from the side, or not to make such a big sacrifice. ...
Need phone jammer to prevent cell phone ringing in public
From the perspective of cultural traditions, many Westerners believe that speaking out loudly or in public is “bad behavior.” But in New York, whether in cars, shops, or on the street, there are people with mobile phones everywhere. In movie theaters, theaters, churches, meeting rooms, and even a ...
Use a WiFi jammer to maintain a healthy lifestyle
Some people have questions about wifi signal jammers: "It is forbidden to use cell phones in schools. If this is really very common, the teacher gives lectures upstairs, but most of the students downstairs play cell phones. I think it's difficult, so it's possible to install a WiFi jammer device in ...
Can schools install and buy wifi jammers?
Some people have questions about wifi jammer : "Mobile phones are strictly forbidden in schools. Is this really possible? The teacher is teaching upstairs, and many students downstairs are using mobile phones. I think it is difficult to have a WiFi eavesdropping device installed in the school, but ...
WiFi jammer shields cell phone frequencies
With the rapid popularity of cell phones, various adverse effects have been demonstrated. This is a WiFi jammer that will detect radio signals from cell phones, PHS and other devices and help you stop using it. This is useful for upgrading cell phones in different places. If there is a PHS base sta ...
Phone jammers slow down airport vehicle traffic
With the popularity of smartphones, more and more children are starting to enjoy mobile text messaging and various social activities. This is a national and international matter. Both children and adults use crutches. It seems almost impossible to stop them. So Liptak thought he was just disturbing ...
About solving the problem of RF interference from cell phones
Given the RF interference problem of GSM cellular phones, GSM jammer operate in TDMA mode and RF transmission and reception are not performed at the same time. The basic principle of reducing RF jammers is to strengthen matching and isolation. When designing, keep in mind that the transmitter is in ...
Do not use jammers as a tool to cause harm to others
High technology brought us real life, but at the same time our freedom has been restricted. For example, we can track a car's route via GPS, but sometimes we want to hide this information. In this case, use a GPS jammer. We have to tell you that jammers protect your privacy, not use them to harm ot ...
Jammer in the United States is really strictly prohibited to use it?
Cell phone signal jammers are illegal in the US, but that doesn't mean they can't be used. They are apparently becoming more common and are expected to spread quite a bit in the near future. The FCC says that using a jammer is considered "stealing" radio waves because that spectrum has been assigne ...
How to judge the high-quality mobile phone jammer?
What are the characteristics of a good mobile phone jammer? First of all, mobile phone jammers should not interrupt the ordinary functions of other electronic devices. Since the mobile phone jammer wants to block the signal from the mobile phone, it should not have other unnecessary uses. Second, t ...
About the functional structure characteristics of the signal jammer
Now our signal jammers are used in a wide range of places, mainly in meeting places that need to be kept secret such as party and government agencies, courts, detention centers, large, medium and small prisons, etc., college entrance examinations, 4-6, judicial and other standardized examination ro ...
The indissoluble bond between mobile phone signal jammer and metal detector
If you compare metal detectors and security gates (refer to metal security gate detection equipment) to shapes and shadows, then signal shielding devices and metal detectors are to educate the internal and external relationship of the security work of the examination room. Today, we will come Give ...
What are the characteristics of the wireless signal jammer?
The strength of the electromagnetic signal emitted by the wireless signal jammer is very weak and will not cause harm to the human body, but will only block the connection between the mobile phone and the base station. When it is working, some mobile phones still have a signal, but this is a false ...
Jammers are not equipped in the mosque in Kenya
Everyone hates cell phones at inappropriate times - movies, classrooms, funerals (especially bad for anyone with a cheerful disco ringtone), and of course religious services come to mind. Kenyan Muslims are thrilled to discover a device that interferes with buying cell phones: Imams in Kenya have l ...
Use a jammer for fair passage of the course
It is always a controversial issue whether college students should pass all classes. You know, if you are unlucky enough to be caught in a cell phone scam, you are undoubtedly losing the opportunity to walk by. To keep the order of the inspection, you can purchase this portable cell phone jammer th ...
The advent of anti-espionage technology reduces the threat to some extent
Global Espionage National Security Agency, all to maintain the name of security, essentially leads to the development of spy espionage technology that will protect you from this threat. It is therefore in this regard that several security companies are taking the initiative for authorities, employe ...
Use GPS jammers for anti-cell phone tracking
We know that there are many GPS tracking applications (functions for tracking current location) on smartphones. Even if it is installed without permission, in many cases it is hard to notice that this is the same as having someone constantly watching it. Using a GPS jammer prevents GPS tracking app ...
Signal jammers can create a calm environment
Mobile phones are communication and entertainment products. The rapid development of science and technology has greatly improved the appearance and functions of smart phones, and more and more people use mobile phones. signal jammer that block cell phone signals can create a quiet environment for p ...
Bluetooth WiFi jammer protects surrounding Bluetooth signals
You know, these Martian watches are really practical. These are analog watches, associated with certain circuits and a Bluetooth module. They can also be used hands-free and are compatible with iOS and Android. You can use these watches to make or receive calls. You can also read text messages from ...
Cell Phone Frequency Jammers Can Reduce Cell Phone Overuse
In the information age, technology is developing more and more and cell phones are constantly updated with more and more powerful functions. Many people are already very dependent on cell phones, playing cell phones while eating, playing cell phones while going to school, or even walking in the str ...
Raytheon Wins $ 279 Million Next Generation Jammer Development Contract
The U.S. Navy awarded Raytheon a $ 279 million next-generation jamming technology development contract to replace tactical aircraft systems in use since the Vietnam War. Pilots use aircraft jammers to counter enemy radar and radio communications systems. Naval Air Systems Command said the next-gene ...
Some jammers are like real cell phones
Some cell phone jammers look like real cell phones. Others are the size of a briefcase or larger. Larger jammers used by police and military can be installed in the convoy to protect the safety of the convoy. From an electronic point of view, cell phone jammers are very basic devices. The jamming d ...
What is SMS signal jammer?
SMS blocker, as the name implies, is a software that intercepts text messages. The following editor will introduce you in detail what a text message blocker is. What is SMS blocker This lightweight, easy-to-use application blocks unwanted text messages. Manage your blacklist and never receive an an ...
Drone countermeasures appearing in the marathon
In 2017, the Wuxi Marathon was grandly started. The Games attracted more than 30,000 people to participate. There was a large number of police support and a helicopter to maintain the order of the scene and prepare for rescue. In addition to manned helicopters, there were also some illegal and unpo ...
The ideal way to defeat drones - drone jammers
Drones have opened up new opportunities for photographers. The ability to use drones to shoot videos and take photos in private areas is also very interesting to other people, and they also use the received data for their unfriendly purposes. The law does not prohibit the use of drones, which is wh ...
More UAV jammers are adopted by prisons to prevent illegal use of drones
More International Prison Tour is doing to prevent the use of drones in crime: Although all the problems involving drones have occurred, it can be said that we still love them. Drones are an excellent way for people to see the world in a whole new way, but protection measures are needed to protect ...
Worry about the impact of playing with your phone
With the advanced technology in modern society, people’s lives have entered a state of intelligence, and mobile phones have become an indispensable communication tool. The temptation for people to eat and sleep is almost inseparable from mobile phones. In fact, this is a bad behavior and smartphon ...
The saying that the signal jammer can ensure safety in vehicles
At present, criminals use GPS to conduct fraudulent activities more frequently. Frequency cellular phones can lead to the tracking of intruders who try to determine the location of anyone or any group of people. In order to solve the problem of using communication equipment, the mobile phone jammer ...
Three-in-one GPS WiFi mobile phone ideal jammer
As we all know, it is necessary not only to protect private places, but also to protect the safety and security of public places. Now almost everyone needs to use high-tech products to help achieve this goal, and now use high-tech to help people solve problems, then designing powerful signal jammin ...
Do you know these weaknesses in mobile phone wireless signal jammers?
The development of wireless smart phone networks has a great impact on the acceleration of development. Mobile phones can solve network problems. Mobile phones play a more important role in people's lives, cellular communications, mobile Internet and other aspects. Therefore, this will cause a lot ...
