Category: Tag Frequency

With the rapid development of technology, various signals have become more destructive, and the use category has also increased. The scope of application has been extended to many industries, including airports, hospitals, libraries, university examination rooms, etc. If a discreet person uses a signal jammer device, important files can be protected from theft. The WiFi network has become a must for work, but even if we set a password for the WiFi router, someone can easily crack it, and then access your network and use it. In this case, some hackers can steal your data without your knowledge. Therefore, more and more people pay more attention to network security, and some fields have gradually used frequency band jammers that can interfere with various bands.

The conference hall shields the mobile phone signal, this can have

Some cadres complained that during a meeting, the conference hall would turn on the mobile phone signal jammer to block the mobile phone signal. Once they entered the conference hall, they were completely “lost” and were very uncomfortable. Some people think that this is “a delay”, saying that they have been complained by the masses because the mobile phone cannot be reached. Some people even directly asked: Is it necessary? Have a meeting and leave the phone temporarily, is it really that serious? Nowadays, the mobile phone has become an “external organ” of modern people, regardless of whether it is on the way to work, at work, or at a party, it is in the state of “people do not leave the machine, the machine does not leave the hand”. The latest survey shows that Chinese people look at their mobile phones for an average of 3 hours a day, making them the second most addicted person in the world.

portable wireless signal jammers

People’s attention is severely distracted, time is cut into fragments. Not to mention the whole time of a meeting, even if it is more than ten minutes without looking at the phone, many people are not at ease. Some netizens describe that the most painful thing today is not “the distance between life and death” but “the phone has no power, no internet, no signal.” In a conference that should be serious and efficient, we are also used to seeing too many “head down landscapes”: he is using his mobile phone when setting up work on the stage; he is using his mobile phone to convey the spirit on the stage; Cell phone. Really busy managing everything, can’t stop for a moment? Closer to see, there are not many electronic offices. Most of them are browsing Moments, or even visiting online stores and playing games. If you want to portray these people, it is more appropriate to “read only the mobile phone screen and ignore the meeting.” Of course, it is difficult to put into the meeting agenda with such a deliberate and absent-minded participation.

From this point of view, cell phone jammer for meetings are not necessary, but necessary. Compared with the small probability event of cutting off the network cable and “delaying work”, the negative effects of playing mobile phones are much greater. We often talk about holding useful and efficient meetings. The “useful” and “efficient” here mean that the content of the meeting must be free from formalism and less idioms in Mandarin. At the same time, it should also include the attendees, heart, and brain. If all of you here are “people sitting in the meeting place and their hearts floating on the Internet”, the meeting will be reduced to another form of formalism. If we are opposed to meetings for the sake of meetings and emphasize on solving practical problems, then we should also be wary of perfunctory participation attitudes, and we should also restrict mobile phones from “buzzing” and “didi” disturbing people’s minds. “If you have a problem, hold a meeting and put it on the table to discuss.” “Large meetings, medium meetings, and small meetings are all necessary.

Mobile phone signal jammer originally has so many functions

At present, each of us has a mobile phone. From the previous 2G mobile phones to the current 3G and 4G, some people even start to use 5G mobile phones. No matter which mobile phone you are using, turn on the mobile phone signal blocker. Even high-end mobile phones will have no signal. It can be understood that the mobile phone signal jammer is the natural enemy of mobile phone signal, but the type of cell phone jammer on the market is too big, and I don’t know which kind of mobile phone signal jammer is better. Some people will find after using it that the Jammer-mart cell phone signal jammer is still quite good, so let’s take a look at the functions and characteristics of the Jammer-mart phone signal jammer!

GPS cell phone blocker

The purpose of Jammer-mart mobile phone signal jammer has the following points

1. It is used for students’ college entrance examination, because the college entrance examination is the most fair and just test. For most students, it may change their lives. Therefore, using a mobile phone signal shield during the college entrance examination is also a fair and just one for students. Kind of guarantee.

2. Used in conferences, theaters, military, etc.

The function of Jammer-mart mobile phone signal jammer has the following points

1. The shell of the mobile phone signal jammer is made of advanced aluminum alloy shell that can dissipate heat, so it will not have any influence if it is used without electricity for a long time.

2. When the mobile phone signal jammer is turned on, it only has a shielding effect on the mobile phone, and has no effect on other electronic devices.

3. The shielding range is about 1-40 meters, but it should be determined according to the performance of the signal jammer .

4. The mobile phone signal jammer does not have any radiation, and it is a truly environmentally friendly mobile phone signal jammer.

Therefore, after the introduction of the above two points, let us have a certain understanding and understanding of the mobile phone signal jammer.

Which network frequency bands can the 4g signal jammer shield?

There are some differences in the working principles of different jamming device. In some special cases, people want to know how to avoid jammers in mobile phones. At this time, we need to understand all aspects and be able to constantly understand these frequency bands. It is the most important. Many jammers basically have these relatively fixed frequency bands in the process of working. We can understand them correctly, and then keep our signal within the range of this frequency band. Then for you, it is natural Can be avoided.

gps jammer

How do mobile phones avoid the principle of jammers? When you want to avoid jammers, everyone should really understand the specific principles. The principles of different devices will have certain differences, so we should do well in all aspects. The understanding and correct understanding of the specific principles can then bring us more development, so we all need to pay attention to this aspect in time when we are doing it. This is our better way to avoid problems. Prospects.

When you want to know how to avoid jammers on mobile phones, you can really use the new device during the whole use process. When many new device identities are in use, because the specific frequency bands of these signals are not within the overall control range at all, we need to truly understand each situation during the application process. Make the choice of equipment carefully so that it will be better for the whole process, so you need to have a complete understanding of the process.

If you really want to know how to avoid jammers on mobile phones, there is one of the most direct and effective methods, and then you can directly damage the device while others are not paying attention. When you can do a good job of destroying the device, otherwise the mobile phone will not be affected, but in this process, you should still pay attention to more aspects, and be able to really understand clearly under this situation . If you can turn off the power secretly, or destroy the total power supply, you can prevent the jammer from working and ensure that we can use the phone normally. In the process of choosing a method, you need to truly combine your own actual situation, and then choose a practical method.

Playing with mobile phones while praying, priests install mobile phone signal jammers

Maybe you are thinking, is it really appropriate for Father Madonna to use a cell phone jammer privately? According to him, his actions have been supported by the local police. Obviously, not everyone is welcome to the priest’s measure. The owners of the local store are very upset. They claim that the priest’s signal blocker has interfered with their credit card machines.

cheap signal jammers

Now, people are increasingly unable to leave their mobile phones, even when praying. This problem has suffered from the priest Michele Madonna of the Church of Our Lady of the Holy Mountain in Naples, Italy. According to the “Daily Mail” report, the godfather finally found a solution-cell phone signal jammer. Madonna bought this device for $60. The priest said that he did this not because of his lack of patience, but the embarrassment he saw when he advised people to turn off their phones and concentrate on praying.

Maybe you are thinking, is it really appropriate for Father Madonna to use a cell phone signal jammer privately? According to him, his actions have been supported by the local police. Obviously, not everyone is welcome to the priest’s measure. The owners of the local store are very upset. They claim that the priest’s signal blocker has interfered with their credit card machines.

In some countries, the use of signal jammer is illegal. In the first half of this year, a man in Florida, USA, was fined $48,000 for driving around with a cell phone signal jammer.

What does the price of the signal jammer depend on?

The signal jammer of the mobile phone is rarely used. The places that are often used may only be companies engaged in scientific research. There is also a research and development department on state secrets. The other is the military, where security and confidentiality related areas have set up cell phone signal blockers. It is better to have JAMMER-MART among the signal jammers in your hand. The brand Shenzhou Mingda is also sold at different prices. That’s because their performance is different. Let us look at the price of cell phone signal jammers.

indoor phone jammer

1. Cell phone signal shielding looks at the price from the power level
The mobile phone signal jammer has its own capabilities. Generally, the greater the power, the greater the range of cell phone signals that can be shielded, and the lower the power, the smaller the range of cell phone signals that can be shielded. Therefore, the price of mobile phone signal converters is also related to power.

2. The price of the signal jammer on the mobile phone is determined according to the main purpose.

We are also very aware of a problem, that is, the price of mobile phone signal jammers is determined according to the purpose. For example, if you buy a school with 5,000 students at a lower price, it is absolutely impossible, because the purpose of shielding cell phone signals is impossible. For example, if you buy an expensive cell phone signal blocker in a small meeting room or a small movie hall, this is not necessary. Because of the small area, we can buy a cell phone with lower power to block the cell phone signal. So according to your own use, decide what type of cell phone signal jammer to buy.

What is a GPS jammer? Are GPS jammers generally used in cars?

What is a GPS jammer?

The GPS signal jamming system is designed to suppress the signals of the global satellite navigation GPS system in the range of 1500-1600MHz. The jammer makes it impossible for GPS satellites to monitor the location of cars and all vehicles through GPS, and the GPS jammer device will not interfere with mobile phones and other devices. GPS jammer can range from 5 to 15 meters, which is sufficient for cars and trucks and buses, because the tracker is usually installed in the cab inside the car. After starting the connection through the car cigarette lighter, the device immediately starts to work and generates radio noise (interference) in the range of 1500-1600 MHz (L1/L2) within a 15-meter radius.

cell gsm 3g 4g blocker

GPS jammers have that type

1. GPS positioning and navigation system, only need gps jammer.

2. Dual-mode navigation: network positioning (mobile phone signal positioning) navigation + GPS navigation. For this kind of navigation, you need a GSM GPS jammer.

3. Network positioning (mobile phone signal positioning) navigation. For this, you need a gsm jammer.

4. COMPASS system, GLONASS system and Galileo system.

234 These three systems are hardly used for civilian purposes.

car GPS jammer

GPS equipment will need a phone card. The current location information calculated by the GPS module is uploaded from the communication base station to the positioning server through this card for users to query, and the jammer uses wireless electromagnetic waves to interfere with the communication between the card and the communication base station to achieve The purpose of GPS location cannot be queried by the user.

the working principle of GPS jammer:

Mainly by releasing radio interference waves, the GPS locator can be invalidated within the designated electromagnetic wave band, forming the same electromagnetic environment as the equipment to achieve the purpose of blocking the signal.

There are two ways to shield GPS signals. First: the direct is to remove the two wires of the GPS host. Second: Go to the electronics market to buy a GPS signal jammer, but you must first distinguish what signal tracking method the GPS on your car uses.

There are only two ways of signal tracking: (1) Cell phone signal. (2) Direct satellite tracking signal.

Generally, most GPS tracking signals use mobile phone signals. GPS jammers have the same interference effect on car navigation. GPS used for car navigation is the same as mobile phone signals. It is easily interfered by electronic devices. The signals are shielded, so that all communication devices in the range lose their signals. However, such equipment also has disadvantages for the users. The signal jammer can only be turned on temporarily, and it is impossible to open it forever. As long as he turns off the jammer, the GPS will have the signal again.

What are the ways to shield GPS signals?

Whether you are locating business assets or monitoring the location of your loved ones, GPS locators have become undeniably reliable. However, users increasingly rely on these things, which makes hackers even more reason to distort the system. Obviously, any potential interference with how these devices work can greatly damage their performance.

GPS monitoring equipment is mainly used for real-time location tracking, used to monitor property and relatives. Over the years, monitoring equipment has been used to complete legal tasks, including rescue tasks, monitoring sex offenders or monitoring parole offenders. In addition, it can also be used to locate and protect convoys. This equipment can help fleet managers protect their vehicles and ensure rapid recovery in the event of their property being stolen, giving the company an opportunity to obtain lower insurance premiums. In fact, these tracking devices have been used to check the whereabouts of spouses in order to understand potential cheating.

For these reasons, people of course need to interfere with GPS to ensure that their devices always work. However, the irony is that GPS monitoring equipment can potentially compromise personal safety, just as it causes safety. If terrorists can obtain important location information of government property, or even if the wife tries to catch her cheating husband, GPS signals can also be useful to disturb things.

gps signal jammer for car

GPS signal jamming equipment and other signal jammer

Different methods of confounding or interrupting GPS signals will also depend on the type of surveillance equipment used. The most direct way to avoid being stalked is to destroy the GPS device and ensure that it does not rejuvenate. But if the intention is to tamper with it secretly without knowing the installer, it is easy to obstruct or weaken the transmission of the tracking device by using these instruments:

1.Metal shield

This is a cheaper option. Just encapsulate the tracking device with any metal covering (such as brass net or lead camera film protective film). The thieves allegedly used refrigerated trucks to transport vehicles equipped with GPS tracking devices to avoid being tracked.

2. GPS jammer

GPS jammer is primarily sold online. Inserting it into the 12v adapter in the vehicle can now damage GPS radio signals within a certain range.

3. Mobile phone signal jammer

This device is a mobile phone scrambler, which means it can avoid mobile phone use. If an automatic tracking device is used, this scrambler will prevent the wireless tracking device from sending real-time location updates.

Jammer application

With the rise of radio, jammer has been widely used as the most important tool for blocking signals. Here are some scenarios of jamming applications.

Prevent cheating in educational institutions
Students send text messages and the cheating is always repeated. Faced with this annoying situation, educators must find an effective precautionary mechanism to prevent these behaviors from occurring.
No student can imagine their life without a cell phone, although they can use their gadgets to cheat. Our devices can help teachers and professors in different educational institutions prevent students from cheating on exams.

Meeting room
Were you disturbed by the phone during the meeting? Did anyone text or play a smartphone during the meeting? Was material of the meeting disclosed? Installing special devices to prevent hidden video and audio surveillance in your office is an issue we can help you with.

Cinemas and theaters
Cinemas and theaters should have been places to quietly enjoy art, but still some people will use the phone to break the calm here. At the moment we need to use the signal jammer to protect their legitimate rights and interests

Jail
Cell phones were taken to prison without permission, causing serious damage. To limit this risk, prisons may need to introduce signal jammers

Restaurant
When you have lunch, if there is a sudden phone call, you can make noise during your meal. What is your mood? In order for customers to have a good food environment, restaurateurs may need to install phone jammer in certain locations.

Library
Do you like to read Would you like to read quietly in the library without being disturbed? When you are concentrating on reading you are disturbed by a loud ringing phone in a silent library which is very frustrating. Therefore, it is necessary that the library installs a signal jammer to allow readers to read quietly.

Should coffee shop install mobile cell phone signal jammers?

The coffee shop is usually the best place to choose a business, but there is always such a noise, it affects my behavior such as our conversation, should we install a signal jammer to stop the use of the phone?

Norliy: There have been two controversies about the use of cell phone jammer. One is that mobile phone signal jammers must be used in places where mobile phones are prohibited. Another is that cell phone blockers should not be widely used. So where should you use a cellphone jammer? The question is also controversial. Can the cafe be used? For many, the cafe is recreational place, should keep the environment quiet, prohibit the use of mobile phones is also for this purpose, cell phone signal jammer should be used in these areas.

Marly: As a cyberwork, I think, should not be installed mobile phone jammers itself, let’s go to the coffee shop to drink coffee is to leisure, do the thing that oneself like, and wifi network is what we have to use to the network environment, if you use the cell phone jammer, that go to the coffee shop and what fun? You might as well make your own coffee at home.I think this signal shielding device should be installed, where is the have installed, which can provide a good environment for people to rest and work, is more than a coffee shop, theater concert hall has install signal jammers.

Qengeoa: Should the coffee shop install a phone jammer? A coffee shop is a place for people to serve. It should be based on people’s interests and why people want to go to a coffee shop. With the development of smart phone, coffee shop has become the people leisure to relax a place, also is a great place for some business communication, a lot of people choose to talk about business in a place like this, date, etc. But as the wifi network coverage, many people in the shop use wifi to see video, play games, which greatly affect the business communication, to this end, a coffee shop considering the factors of the customers, in order to provide a better environment for their communication, installation of cell phone jammer premise is to protect the good environment, I think should be installed, but you have to control the interference range. It’s best to have adjustable desktop phone jammers.

Barcler: Must use the mobile phone signal jammer, along with the development of smart phones, although it provides us with convenience and enrich our life, but our life also disrupted by mobile phone, people addicted to the mobile phone, don’t want to communicate with people, because cell phones affect children learning problems such as outstanding, it has become a poison the important equipment of modern youth.

Mobile phone jammer for short-range interference

Is school cell phone nuisance protection harmful to the human body and phone? Users should rest assured that the signal jammer emits a low electromagnetic signal strength, it has undergone the Department of Health, microwave radiation test and certification, the test data shows that the signal strength is not too harmful to the human body .. At the same time, the anti-radiation device blocks only the forward signal of the telephone, so that the telephone cannot connect to the base station, so that the telephone itself is not damaged. GPS Jammer Is there a difference in distance between using signal jammers both indoors and outdoors? A: Yes. The effective distance of the signal jammer (which does not have to be 1-40 meters, depending on the distance of the environment) generally refers to the indoor distance.

portable cell phone signal jammer

2017 new model all mobile Unicom Telecom three network operators 2G, 3G, 4G mobile phone signal + wifi wireless bluetooth, wireless network transmission signal, anti-static device silver test room phone signal shield machine, all band Test room phone signal shield machine is my company Foreign advanced technology, imported components, power enhancement, 24-hour, 365-day boot, domestic mobile communication carefully developed high-tech products real situation According to this GPS Jammer model is recommended for school exam rooms, including international dormitories, libraries, prisons, camps, military facilities, troops, churches, secret meeting rooms, factories and more.

WiFi jammer Designed to prevent antenna mining errors only when the correct antenna can be inserted. (Note: If you do not install the antenna to open the power switch, you could damage the machine) Power connection Check the power switch on the host and make sure the power switch is in the closed position, Switch the power supply by inserting the output plug of the power transformer into the host on the left side of the power socket. The compressor input plug is connected to the AC 220V power supply. High Power GPS Jammer / Car GPS Location Jammer / WIFI Shield Bluetooth Suppressor can also be in your home car! Network Information Leak Detector (Electromagnetic Conductor Jammer) Cell Phone Signal Shield Device Test Triple Shield + wireless LAN network shield!