Category: Tags Signal

Today, the wireless industry is changing very fast. While developing many useful devices, it also poses many threats to the privacy of everyone who interacts with the industry and the devices it creates. Jammer-Mart does its best to provide our customers with the best equipment to interfere with the frequency of mobile phone signals and other equipment. All our signal jammers and signal blockers have the highest quality and best specifications on the market. All signal jammers are provided with a 1-year warranty, you can buy them with confidence.

Many authoritative units began to use mobile phone signal jammers

 

When the mobile phone works, it is within a certain frequency range, the mobile phone and the base station are connected by radio waves, and the data and sound transmission are completed with a certain baud rate and modulation method. In view of this communication principle, the cell phone signal jammer scans from the low end frequency of the forward channel to the high end at a certain speed during the working process. This scanning speed can cause garbled interference in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone is manifested as a search network, no signal, no service system and other phenomena.

desktop signal blocker

Common mobile phone signal jammers on the market have operating frequencies: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The operating frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control the range of about 40 meters in diameter, using DC-DC converter input voltage and 5V output voltage.

The emergence of mobile phone signal jammers has played a certain role in suppressing the increasingly serious “mobile phone noise pollution”. But as a mobile communication interference device, will the electromagnetic radiation generated by the A topic of concern. At the same time, during the installation and use of mobile phone shielding equipment, due to the greater autonomy and randomness in terms of the number of installed units, transmission power, coverage, and radiation control, some places require effective interference and The shielding effect is maximized, even blindly introducing high-power mobile phones to interfere with the installation and use of shielding equipment. The impact and damage to the human body cannot but be worrying.

As another product of human beings, the “mobile phone signal jammer”, while shielding mobile phone signals and ensuring information security, it will definitely bring a certain negative impact. However, when we look at the problem, we should see the main contradiction. Just as we did not stop using a kitchen knife because it cuts vegetables, we will not reject a “mobile phone signal jammer” because it may cause harmful radiation to the human body. After all, the “mobile phone jammer” guarantees information security and contributes to social stability is its main contribution. The most important thing is that it brings security to places with high safety factors such as prisons, detention centers, and major conferences.

As far as the quality of the mobile phone signal shielding system is concerned, judging by the current level of scientific understanding, there is no security problem. The reason for this is mainly based on the following two reasons:

First, from a technical point of view, although the mobile phone signal shielding system is a new technology product, it should be said that it has been developed more mature in technology, so it has high security. According to the test report of the authoritative testing organization, the qualified mobile phone signal shielding system has low radiation, and because it is usually installed in high places, it has no adverse effects on human health.

Second, from a practical level, many authoritative units in China have begun to use mobile phone signal shielding systems. For example, in 2004, in order to maintain the solemn atmosphere of the memorial hall and meet its special confidentiality requirements, the Chairman Mao Memorial Hall Administration installed a mobile phone signal shielding system produced by Shanghai Jike Electronics Co., Ltd. in the memorial hall. After actual use and testing , The Memorial Hall Administration believes that the products produced by Jike Company meet its requirements in all aspects including safety and aesthetics. I think this should be a very convincing case. In addition, according to the information collected by the author, as a leader in the mobile phone signal shielding system industry, the products produced by Shanghai Jike Electronics Co., Ltd. are used in the prisons of the judicial departments and the detention centers of the public security departments. All of them are used, and the feedback after use is believed to be a proof of immortality.

Outdoor Cell Phone Jammers Can Protect Personal Information

As one of the most populous cities on the planet, the official government of Beijing, China will soon start tracking the daily activities of all 17 million people living here by tracking the location of their cell phones. The government has presented a new plan to help reduce traffic congestion by providing detailed information on civic activities around Beijing. The plan is called “Real-time Citizen Sports Information Platform” and will use a person’s cell phone, local cell phone tower and GPS tracking module, which has become a standard module for almost everyone. modern smart phones. Each mobile phone will transmit GPS information to the server, which will provide authorities with unprecedented amounts of data to record the whereabouts and current trajectories of anyone in the Beijing area. For some people with ulterior motives, they may sell privacy for profit, but the various Phone GPS jammer launched by jammer-mart.com may prevent others from monitoring. Critics of the plan say it is another government cover-up effort to restrict individual movement and prevent large crowds from forming on the streets. Their opponents say the data will provide law enforcement with accurate maps to show where large crowds gather, allowing the government to send emergency personnel to public protest venues.

Portable Hand-held GPS Jammer

According to Chen Derong, professor of wireless communications at Beijing University of Posts and Telecommunications, the mobile tracking system is not designed to monitor traffic. He said traffic monitoring does not require tracking the activities of individual people. “We are discussing two completely different ideas. The positioning of the mobile phone is a matter of personal privacy. If you want to understand this flow of traffic, you have to install cameras at the intersections,” he said of it. “Why shouldn’t they know personal information like my current location to avoid traffic jams or the like? Traffic and location tracking is as inappropriate as putting a horse’s mouth on its head of a bull. ” Criticism The author also claimed that the plan to follow up on all activities of the people of Beijing was a response to a large-scale protest in China in 2011, which was successfully mobilized via social media. According to a New York Times report, the protest was aimed at making people shout: “We want food, we want jobs, we want homes and we want fairness,” calling on people to take concrete action to try jazz. Take advantage of people’s dissatisfaction with inflation and rising house prices.

This occasion, along with the continuing domestic unrest caused by the rapid spread of large-scale protests in Middle Eastern countries, has led to unrest within the Chinese government. Authorities arrested the activists and placed more than 80 people under house arrest. Since then, others have disappeared. The follow-up plan was provided by the Beijing Municipal Science and Technology Commission, and officials avoided mentioning the system’s use as a law enforcement tool. Li Guoguang, an official with the Municipal Science and Technology Commission, said the plan “will provide information on the distribution and movement of urban populations with incredible precision.” It is assumed that the program was created in cooperation with China Mobile, a mobile phone provider in cooperation with the Chinese government. Li calculated that 70% of Beijing’s citizens carry cell phones, allowing their government to track all activities of 17 million people with great accuracy. Therefore, if you live in Beijing or plan to visit and use a local mobile phone, you may want to consider keeping your location private. To make it a reality, you can use a cell phone jammer to prevent the Beijing government from tracking your smartphone, so it should always maintain the privacy of the location.

Cell phone jammers installed outside Sabarimala Tantri’s office

After 8 a.m., many followers were seen protesting and shouting slogans when the police stopped them to check them out on the way to Sabarimala.

Sabarimala: Kerala police installed cell phone blocker near the Sabarimala Temple on Monday to prevent the Tantri and other shrine officials from interacting with the media and to dissuade live images of it.

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The move took place when the contingent of the state police deployed around 2,300 workers for the security of the temple ahead of the one-day pilgrimage, which begins at 5 p.m. on Monday and ends at 10 p.m. on Tuesday.

After 8 a.m., many followers were seen protesting and shouting slogans when the police stopped them to check them out on the way to Sabarimala. Private vehicles carrying pilgrims were stopped.

As of late Sunday, a dozen female officers over the age of 50 were stationed in the temple city, who for a long time had only seen police presence during the puja high season.

The state government is taking all necessary precautions to prevent incidents such as the massive protests against the Supreme Court ruling on September 28, which allows the previously banned age group of girls and women to enter the Lord Ayyappa Shrine.

From October 17-22, when the temple was open for the monthly puja, the temple tantri and officials said they would close the shrine if a devotee between the ages of 10 and 50 tried to enter the Sanctum Sanctorum, like it against that was temple tradition.

The Kerala government has announced that it will implement the Supreme Court ruling against the BJP and numerous Hindu groups that have opposed the ruling.

Analysis of Market Demand of Prison Mobile Phone Signal Shielding Project

With the continuous development and popularization of mobile communication tools such as mobile phones, and the continuous improvement of the technical level of personal mobile communication methods, especially after the promotion and application of 3G, 4G, and 5G technologies, it will be used for prisons, labor camps, detention centers, drug rehabilitation centers, etc. The negative effects of similar areas are becoming more and more prominent. In prisons, detention centers and other supervision places, mobile communication tools such as mobile phones are explicitly prohibited, not only for prisoners, but also for supervisors. Once the mobile phone is brought into the prison and put into use, it will bring great harm to the management, safety and development of the prison. Some prisoners use illegally smuggled mobile phones to make calls, send text messages, obtain information, threaten witnesses, and even form gangs and organize escapes. Because of this, the installation of cell phone signal jammer in prisons and other prison places is imminent. Degree!

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What factors should be considered in establishing a mobile phone signal shielding system

Due to the influence of the base station, the distance between each base station and the prison is different. Generally, it is recommended that there is no base station within two to three hundred meters near the prison area where the mobile phone signal shielding system is installed. Strong influence!

The scale, number of buildings, structure, size, floor height, etc. of each prison are different. The distribution direction, power, and terrain of mobile phone base stations around each prison are different. The strength of mobile phone signals transmitted from remote base stations is also different. There is no difference. How to arrange the points in each prison needs to be designed according to the actual situation!

Even in the same environment, the base station signal is affected by wind disturbance, air humidity, etc., which will cause fluctuations in signal field strength. In addition, there are differences in field strength between indoor and outdoor spaces, and the ground, building structure, materials and metal objects affect the mobile phone. Shielding the signal causes very complex adverse effects.

Cell phone signal shielding systems are installed in prisons. Most shielding terminals are installed in relatively high or slightly hidden locations, and are not detected by ordinary people, but they may not prevent man-made damage. The influence of future human factors must be considered, including prisons. Guilty (also resisted by prison guards) artificially damaging or cutting off the power supply to the jammer,

With the accumulation of working hours, electronic products such as mobile phone signal jammers will also have normal wear and tear. Several shielding points installed in the prison cannot be guaranteed to operate 100% stably every day. As a manager, you should have a set The simple and convenient centralized control system can detect the man-made damage or normal loss of the shielding point in time, and arrange the maintenance and inspection quickly.

Benefits of installing shields in dormitory areas and examination rooms

In recent years, due to the widespread popularity of mobile communication tools such as mobile phones, cheating using mobile communication tools such as mobile phones has become a “secret weapon” for some candidates to improve their test scores. These candidates do not seek hard work on weekdays, but want to use them when taking exams. Some illegal means, or organizations and individuals who listen to some illegal test-disclosure vendors, or provide answers for profit, want to use their mobile phones as answer receiving tools or transmission tools to obtain ideal test scores through cheating, which seriously damages The fairness and seriousness of the exam! It is a great harm to most other students who usually study hard and learn from the truth!

In order to strictly discipline the examination room and ensure fairness and justice for each reference person, installing a mobile phone shielding network intelligent management system or a wireless signal jammer device is one of the most effective ways to prevent candidates from cheating through mobile phones and other communication tools.

desktop mobile phone blocker

According to some school administrators, students now carry a lot of mobile phones. According to the observation and understanding of school administrators in recent years, students use mobile phones as normal applications, but most of them use mobile phones to access the Internet and chat. , Playing games, reading novels, chatting about love, and even more often contacting some idle people in society, which has brought great harm to the education of the school and the growth of students! After the students are checked by the school leaders during the late schedule, it is more difficult to be restrained, managed, and discovered by playing with their mobile phones under the covers.

The school generally recommends that the mobile phone signal shielding system be installed in the dormitory area should only be turned on within two hours after the lights are turned off. The purpose is to enable our students to learn to live and develop good and healthy living habits! Go to bed early and get up early, so that you will not be drowsy due to lack of sleep the next day, unable to concentrate on studying and attending classes.

What kind of signal jammer is good for the conference room

As we all know, the conference room is a very serious place and cannot be affected by the external environment. For example, corporate strategy meetings, public institution department meetings, public security, prosecutorial and judicial department meetings and other government department meetings. The progress of the meeting has a great impact. At this time, a mobile phone signal jammer is needed, and a mobile phone signal jammer is arranged in the meeting room to shield the mobile phone signal. The mobile phone has no signal and naturally cannot communicate with the outside world.

Desktop high-power electronic jammer

But how to choose a cell phone signal jammer device, Shenzhou Mingda company provides you with high-quality mobile phone signal shielding solutions:

1. According to the size of the meeting room. For example, the model of shielding device used in a meeting room of 100 square meters and 200 square meters is completely different.

2. According to the usage time of mobile phone signal jammer in the meeting room. According to our conventional understanding, if the frequency and time of use of the signal jammer is 5 hours a week, commercial machines can be used at a relatively low price. If the signal jammer is used for more than 20 hours a week, use an industrial machine, which is relatively expensive.

3. According to the intensity of the field signal used by the signal jammer. In the category of conference rooms, it is not easy to judge. We usually judge based on the absence of signal amplifiers in the office, whether there is an operator base station within 300 meters, and the signal strength of the usual mobile phone. If the mobile phone signal is strong, you need to use it. A slightly larger power shield.

In short, the purpose of the mobile phone signal jammer to shield the mobile phone signal is a comprehensive factor, including the consideration factors listed above.

Good reasons for using cell phone jammers in cinemas and theaters

Usually, when entering a movie theater or theater, turning off the phone is the most basic ceremony. However, in any case, some people will ignore these rituals and rules. Yes, when you watch a movie, you are always interrupted.

Try to convince people to observe the most basic social considerations in the movie. If you have visited a theater recently, you know they are often overlooked, so other methods have been explored to enforce theater ethics.

For new and popular movies, the theater may have a separate auditorium to block cell phone use, but the auditorium does not block the signal. This is more like the tradition of non-smoking areas in restaurants. Although the use of mobile phones is still discouraged in closed auditoriums, those who choose to watch movies will have to deal with occasional distractions.

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Why use a cell phone jammer?

Hollywood film blogger Alex Billington (Alex Billington) is one of many people who rejoice in the rapid retreat of AMC. “Texting in the theater completely ruined the movie,” he said. “This is something we must fight on the social and cultural level.”

In 2014, a dispute between two men texting at a cinema in Florida eventually led to a fatal shooting. Although this is an extreme situation, most people would agree that the illuminated cell phone screen and finger taps can be annoying.

Phone calls are not just a hassle for movie theaters. When Benedict Cumberbatch played Hamlet in Barbican, he finally added a monologue, lamenting the tragedy of cell phone cameras and urging his fans to put down their phones. Some performers take the problem of disruptive technology completely in their own hands.

Have these people never participated in a movie so fully, or felt so deeply involved in a story that when something sounds or shakes or lights up a few seats, they don’t feel a momentary resentment, Smashed this spell? The problem started with a lack of respect for seat partners, or lack of respect for the entertainment media itself?

Of course, the reality is that all of these are important. In an era when we are forever consumed by our personal technology, the theater can and should be our last public refuge, and we can only be affected in movies and films. If that vision comes from a nostalgic or naive place, then this place is still a space for all of us, sitting proudly and provocatively in the dark.

Personally, I think theaters should be allowed to install cell phone signal jammer and there are clear signs that they are being used. If people don’t like this, they are free to spend money elsewhere. If all theaters eventually use the technology, then these people can choose not to go to the movies.

Terminator-signal jamming gun drone

What is a drone jammer?

The signal jammer is also called a signal blocker. They are devices that block radio communication signals. A pilot on the ground remotely controls an unmanned aerial vehicle (UAV). Therefore, blocking the radio signal makes a UAV useless. The drone will either fall to the ground or land, depending on its programming.

The jammers “had quite a significant impact” on the UN surveillance drones, which were suspended for days after gathering intelligence from the air. US military officials did not say whether the latest interference caused the drone crash, citing operational security.

But sources told NBC that Russia’s sophisticated jamming equipment, which was developed by its military, has proven effective even against some encrypted signals and anti-jamming receivers.

It is introducing DroneGun, a GPS signal blocker that disables drone signals (including GPS and GLONASS positioning) from up to 1.2 miles away. Like most rivals, it doesn’t destroy the target drone, it simply forces the vehicle to land or return to its starting point. Anti-drug teams can not only defuse threats from a safe distance, but they can also locate their pilots.

Most of today’s jammer-mart jammers use a broader jamming signal over a range of frequencies, while BEAM is configured to detect a single specific frequency used by an attacking drone, a solution especially suitable for urban or more populated combat zones.

portable drone signal jammers

US analysts first caught Russian military drones in eastern Ukraine four years ago, after the invasion of Crimea, according to Humphreys. He said the jammers were initially detected as faint signals from space, bouncing off the surface of the earth. The jammers “had quite a significant impact” on United Nations surveillance drones attempting to monitor the area, grounding the fleet for days and halting intelligence gathering from the air.

The drone signal jammer works by directing radio energy into the drone, interrupting the remote control link between the drone and the operator. The jammer operates in common industrial, scientific and medical (ISM) frequency bands. 2.4 GHz, one of the most common frequencies for drone control, is part of the ISM band.

The role of drones in future warfare, what about drone jammers?

War is entering the era of drones faster than expected, and the “high altitude danger” of civilian drones is increasing, except for large drones like the Global Hawk. At home and abroad, the phenomenon of “black flying” and “flying flying” has emerged one after another, which has attracted more and more attention to security monitoring issues such as civil aircraft taking off and landing, eavesdropping in secret areas. In fact, the increasing number of unmanned aerial vehicle (UAV) crimes makes people pay more and more attention to the management of unmanned aerial vehicle (UAV).

drone signal jammer

The drone signal jammer market is developing rapidly, and UAVs are now playing a role in aerial photography, mapping, delivery, rescue and other fields. However, “problems” followed. These problems affected the order of aviation and the penetration of sensitive areas… These phenomena even led to the rapid development of the derivatives industry and unmanned aerial vehicles (uav). Equipment and service providers, unmanned aerial vehicle (UAV) “predators” have also benefited a lot from it, which brings huge development opportunities to unmanned aerial vehicle (UAV) companies.

The Chinese military has been equipped with the ability of the US military to use drones to interfere with radiation weapons. Large electronic warfare equipment can even destroy and capture enemy large drones. For example, Russia’s “automatic” countermeasure energy response system has some powerful functions that the outside world has not yet realized. The radar system can suppress 50 aircraft at an altitude of 30,000 meters, and can also conduct electronic attacks on fighter jets and unmanned aircraft within a radius of 100 square kilometers. In October 2011, Iran captured the US RQ-170 stealth drone “outpost” using an electronic countermeasure system provided by Russia.

Explain the function of GPS jammer and how to use GPS jammer

When buying and using a vehicle mortgage, it is best to configure a GPS jammer within a certain stage. Especially some car dealers who hand over the car and buy the mortgaged car, in other words, once they receive the car, they can turn on the gps signal jammer and put one in the car, and one more in the car trunk! When the shield is turned on, you can be assured of peace of mind during the round trip with the car. However, the jammer cannot be activated 24 hours a day, so after the safety reaches your own chassis, you must find a technical professional to investigate the GPS by yourself, and also modify the GPS positioning equipment and mortise locks, key changes and other security guards to prevent mistakes. just in case.

1. Understand the GPS jammer
GPS jammers (jammers) can reasonably prevent tracking by GPS communication satellites, reasonably affect GPS communication satellite signals, and maintain your track privacy protection and information business secrets.

2. The function of GPS jammer
The GPS signal is the same as the signal on the mobile phone, and it is very susceptible to the influence of electronic components. The signal jammer can shield all the signals in a certain range, so that all the communication devices in the range lose the signal. The installation of a GPS locator on the car enables buyers to easily find their own car on the GPS monitoring management platform. As everyone knows, such a good product is also found by criminals to find loopholes. If you buy a signal blocker on Taobao, Turn on when the car is stolen, there will be no signal in the car, and the car will go offline on the service platform, as if the whereabouts of the car are unknown, you can’t find it anyway.

3. Disadvantages of GPS locator
I have to admit that the GPS jammer also has disadvantages for the user. The signal jammer is only temporarily turned on, and it is unlikely to be turned on all the time. If he turns off the jammer, the GPS locator will have a signal again. Drivers can quickly find the stolen car based on precise positioning information.

gps car signal jammer

In addition to signal jammers, some people will also say that they will use signal detectors to find out and destroy GPS locators. Yes, this is also an objective fact, but this is only valid for some GPS devices. If the GPS tracker is in the dormant state most of the time, the signal detector will not be able to detect it! what happened?

For example, some ultra-long standby GPS locators can only be awakened once a day. After being awakened, the precise positioning information of the vehicle is sent back to the buyer’s network platform and then it enters the dormant state. In the dormant state, it is Without a signal, it is absolutely impossible for car thieves to detect it! In addition, it is also free of wireless network installation. There is no wiring on the surface of the machine and equipment. It can be placed anywhere on the car (if it does not have to be placed in an area blocked by the signal). It is very concealed for engineering safety.

How to use GPS jammer

The GPS jammer can indeed shield GPS signals, but it has disadvantages. It will shield all signals in the car! In other words, a car thief is unlikely to use communication devices such as mobile phones near the car. If he cannot find and destroy the GPS device, he has to always turn on the shield, otherwise, he will eventually expose his behavior. Therefore, how to use GPS jammers must ensure the following:
1. The GPS jammer can be used when picking up the car, so even if there are tricks, there is no need to be afraid.
2. When you return to your own area, you don’t need to shut down, first find an auto repair shop to carry out major demolition. Make sure it is clean and tidy before closing.
3. For safety reasons, a car can continue to use GPS jammers for more than half a year. And to ensure that the GPS jammer can work normally for 24 hours.