Category: Tag Block

Mobile phone blocker is a mobile phone blocking program or mobile phone detection system, designed to prevent unauthorized mobile phones while allowing authorized mobile phones to run. Blocking cell phone signals can prevent certain critical foundations, unauthorized calls to courts, military installations, or certain environments that need to manage cell phone activity to control the control.

Please note that in some states, cell phone jammers are illegal. Although attention to information rejection has long been an integral part of the PLA’s doctrine, this jammer is mainly used in military locations or other places where the use of mobile phones is prohibited.

UAV countermeasure market analysis

During this period of time, everyone knows that drone black-flying incidents happen frequently, small enough to be used for peeping, large enough to steal state secrets and military secrets, small enough to fall and injure a person, large enough to cause the airport to close. The delay of the aircraft and the stranded passengers have caused serious consequences. Therefore, the national laws have also been continuously improved during this period. Legal documents have been issued one by one to strengthen the control and real-name registration of drones. Here we do not make any comment on politics, only UAV defense and UAV countermeasures technical means are analyzed.

There are several ways to control drones:

1. This method of shooting with a gun seems to be more enjoyable. It not only manages but also destroys it. The damage index is higher than five stars. But there is a problem that is more headache. It requires the shooter to be accurate, not the one who has participated in the Olympics and won the championship. Forget it, so as not to be embarrassed. In addition, you need to find the right time. Once you fall, it is absolutely not allowed to hurt people. It is important to get off the phone. In addition, you must remember where you are calling. If you fall, you need to find it. This is a headache. The question, how many people do you need? Who flew the last question is unknown!

2. Catching with a net is similar to shooting a gun, except that the gun shoots out points, here is the net; it seems that this technology has improved, the destructive power is reduced, and the accuracy rate is improved, but the prerequisite for the problem is The drone needs to fly low, and the human station is high, so the practicability is low;

3. Drone jammer is also the mainstream technology at present. The remote control signal of UAV is blocked by high-power transmission, so that the UAV loses control. Generally, UAVs can be shot down directly, and smart UAVs can also be unmanned. Aircraft interference interferes with GPS and Beidou signals to prevent drones from returning home;

There are two types of UAV interference:

1) Hand-held UAV jammers require humans to conduct investigations, and it is found that manual intervention by the handheld UAV jammers can achieve the control effect; the control distance can generally reach about 2 kilometers;

2), base station type UAV jammer The base station type UAV jammer is mainly aimed at the relatively large control area, prevents the drone from entering the control area, and greatly reduces the safety risk; it can be completed without a large number of personnel operation; control Distance: 6-8 kilometers can be;

In addition, I did a lot of searches on the Internet. The Chinese characteristics are vividly reflected. As long as there is a need for thousands of troops to invest in this market, the market capacity and market opportunities are as big as everyone’s guess;

One set to two sets per unit, let’s calculate that the quantity is really limited and belongs to a niche market; in addition, the technical content is not particularly high, the threshold is low, the more participating businesses, the smaller the market profit margin, so it is recommended that those already on the road should be prepared Don’t be hot on the road for a while, look at the market sensibly.

Cell phone signal jammer manufacturers teach you which jammer is good for prison

In today’s information age, the development of communication technology is changing with each passing day. As a unique member of the communication family, mobile communication plays an important role in people’s lives and industrial and agricultural production. Today, let’s talk about prison cell phone signal shields. Secondly, while mobile phones bring great convenience to people’s lives, they also have some problems that cannot be ignored. Due to the wide coverage of mobile communication networks, the emergence of networks in some occasions makes the use of mobile phones cause people trouble. , Even security risks, such as:

(1) Become a new leak channel, posing a threat to the security of confidential information;

(2) Become a new source of noise pollution, disrupting normal work order;

(3) Become a new unsafe factor and bring hidden dangers to the safety production of enterprises;

(4) It has become a new criminal method, which has an impact on social stability. Therefore, in some places, we should be able to artificially destroy or restrict this kind of network to avoid the harm caused by the mobile network. Under this premise, the cell phone jammer in the meeting room came into being. The essence of the mobile phone signal jammer is: electromagnetic interference is applied to the wireless network on which mobile phone communication depends, so that the mobile phone cannot access the network, and thus cannot receive information from the mobile network, and cannot send information through the network. But it has no effect on the signal generated by the mobile phone.

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In order for the mobile phone signal jammer to effectively interfere with the mobile network, it must be ensured that the signal field strength of the jammer should be much greater than the field strength of the mobile signal BCH in the interference area. Therefore, the same jammer uses different locations and the effective area of interference. The difference is that the local BCH field strength is generally stronger as it is closer to the base station, and the area where the jammer reaches effective interference is smaller. Generally, the interference radius can only reach 0.5-9m; if it is farther from the base station, the BCH field strength is relatively weak. Then the radius of the jammer to achieve effective interference is larger, up to ten to tens of meters. Therefore, the local BCH field strength should be fully considered before using the interference device, and then the location, number and combination of the interference device should be determined according to the size of the interference area.

Obviously, the farther the jammer is from the base station, the weaker the field strength and the larger the interference radius, and vice versa. The jammer will lose its interference ability if it is very close to the base station.

The interference range of the same shielding device used outdoors will be doubled than when used indoors. If the interference range is less than 200m, a shielding device is generally installed, which can be hung on the indoor wall with a distance of 1 to 1.8m on the ground; if it is greater than 200m, generally Two or more units should be installed and placed on the front and back walls; if the interference space is outdoors and greater than 1000m, multiple units should be used, and the honeycomb distribution effect is better.

Since the frequency band used by mobile phones is dedicated, the transmission frequency of the mobile phone signal jammer in the conference room is completely within the working frequency band of mobile phones prescribed by the country, so it has no effect on other electronic equipment such as TVs and radios. At the same time, the mobile phone jammer only interferes with the BCH transmitted by the base station received by the mobile phone, so that the mobile phone cannot establish contact with the base station, so it has no effect on the mobile phone. Furthermore, although the signal field strength it emits is stronger than that of BCH, it is far weaker than the electromagnetic radiation field generated during a mobile phone call. Therefore, it will not cause harm to the human body and can be used for a long time with confidence.

Which cell phone signal jammer works well in prisons? , Texin has compiled three plans for you!

1. TX-100W high power jammer
2. Portable GPS signal jammer TX-S6
3. UAV signal jammer

The use of mobile phone signal jammer in gas station

When the battery of the mobile phone is started, when the bell rings, it can generate enough energy to cause a slight spark, which may cause a fire. Petroleum, chemical, security and other relevant departments have clearly stipulated that gas stations prohibit the use of mobile phones. It has been a long time since the introduction, but the current implementation is not ideal.

The equipment at the gas station is controlled by a computer. The signal from the mobile phone will affect the normal operation of the equipment and cause inaccurate measurement. More importantly, sparks will appear during the call from the mobile phone, which can easily cause a fire and cause an explosion at the gas station. The current mobile phone signal is almost everywhere, and all electrical equipment is surrounded by it. When the mobile phone is not in use, this kind of surrounded signal has minimal interference to other electrical equipment. This is because when the mobile phone is not in use, there is no data exchange between the mobile phone and the base station, and it is impossible to form a sudden change signal. The electrical equipment is surrounded by a relatively stable electromagnetic field, that is, a static electromagnetic field. The interference of this static electromagnetic field to the electrical equipment is almost zero.

When using a mobile phone, there is a data exchange between the mobile phone and the base station, which generates a random mutation signal, which causes a dynamic electromagnetic field to form around the electrical equipment. This dynamic electromagnetic field signal will induce a mutation interference signal, which is easy to Cause dysfunction of electrical equipment. Therefore, the gas station that is a fire-resistant area is not only strictly forbidden to use mobile phones in the station, but it is best not to use mobile phones within two or three meters around the gas station.

At the same time, gas stations should set up obvious signs prohibiting cell phone calls, and widely publicize safety knowledge, so that people understand that calling cell phones in gas stations is undoubtedly walking with the tiger. There have been many fires caused by the use of mobile phones across the country. A gas station in Henan caused an explosion when the driver used his mobile phone while refueling, causing a huge accident involving many deaths and injuries. There are also many fire dangers caused by mobile phones in gas stations in Shenzhen and Chongqing.

The dangers of using mobile phones at gas stations have attracted many attentions. Relevant departments in Beijing, Hubei, Inner Mongolia, Guangdong, Henan, Shandong, Jiangxi, Sichuan, Chongqing and other places have recommended the use of mobile phone signal jammers at gas stations under their jurisdiction. Sinopec and China National Petroleum Corporation have taken the lead in using mobile phone signal jammers at gas stations in some areas. In short, do you understand now? This is why cell phone signal jammers are used in gas stations, oil depots and other places.

Cell phone jammer is a mobile phone signal jammer specially developed and produced by adopting international advanced shielding technology to meet market demand. The equipment has undergone a brand-new upgrade, changing from 5 channels to 6 channels increases the shielding effect of the device itself on the signal. At the same time, the newly added 4G frequency band solves the disadvantages that other products cannot shield the 4G frequency band, and the shielding effect is better than other similar products. The shielding effect is stronger, the performance is more stable, and it is easier to be recognized and accepted by customers.

cheap signal jammers

When entering the working state, it can automatically form a shielding magnetic field within the specified range, forcibly disable the mobile phone signal, only shield the mobile phone communication signal, and does not interfere with other electronic equipment, which has become its rare advantage , The advent of mobile phone signal jammers may completely solve the harm to users caused by information leakage of communication facilities, allowing people to enjoy the speed and convenience brought by high-tech to mankind while ensuring the safety of their information.

It is mainly used in examination rooms, prisons, gas stations, mobile phone bomb prevention, oil depots, liquefied gas stations, detention centers, interrogation rooms, courts, labor reform teams, conference rooms, theaters, churches, libraries, school dormitories, special security and confidential occasions (Confidential offices, negotiation rooms, mobile vehicles, mobile politicians and business dignitaries guarding) scenes, etc., and mobile phone signal jammers are becoming more and more important in social life.

Can a mobile phone signal jammer shield 4G signals?

Today, I will talk to you about whether the mobile phone signal jammer can effectively shield the 4G network signal? This topic will help everyone have a more comprehensive understanding of the signal jammer. Next, the editor summarized a few pieces of knowledge about mobile phone signal jammers.

1. In addition to the 4G network signals that have been widely used, the commonly used mobile communication network signals include the 3G network signals that were popular in the past few years, as well as the 2G network signals used by some elderly phones. Although 5G network signals have become a topic of discussion by many people, it will take some time before they can reach 5G networks.

2. The first thing to be clear is that the mobile phone signal jammer can shield 4G network signals. When the mobile phone is operating in a certain frequency range, the mobile phone and the base station are connected by radio waves, and the transmission of data and sound is completed with a certain baud rate and modulation method. Aiming at this communication principle, the mobile phone signal jammer scans from the low-end frequency of the forward channel to the high-end at a certain speed during operation. 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 announced from the base station, so that the mobile phone cannot establish a connection with the base station. The mobile phone is manifested in the phenomenon of searching the network, no signal, no service system, etc.

3. The key to shielding 4G network signals depends on the frequency supported by the selected mobile phone signal jammer. The current 4G frequency range is very wide, from 800M-2. 4G, if you want to shield 4G signals, it depends on what you use for shielding. How much bandwidth can the device support? Because some of the 4G frequency band almost overlaps with WIFI 2.4. Once you shield the 4G signal, the WIFI and Bluetooth in the shielded area may not work properly. Therefore, whether the 4G signal can be shielded depends on the function of the shielding product, whether the device has a 4G signal shielding module.

Jammers can prevent the transmission of negative emotions

The humming and noise of the phone in public places could cause negative emotions in others, this behavior is outrageous, especially in theaters, cinemas, restaurants, concert halls and speeches, etc. In order to avoid such a loud voice, a local GPS jammer installed at these locations, in particular 2G 3G 4G, GPS, WiFi, Bluetooth, LoJack jammer, is blocked.

adjustable gps jamming device

Speech is important to show whenever speakers hope to achieve their goals through individual performances. No one likes his speech brutally interrupted by some viewers of the phone, then he felt neglected and disrespectful – and sometimes beat your man is not your competitors, but the vandals. You are these attacked vandals, and worse still, the behavior seems to be understood and appreciated … it really starts, becoming a normal trend, it was to make a speech to the public, there is always a chance that they will suddenly drop out of other phones.

Therefore, we recommend that you install phone jammer before speaking. The equipment can be up to 10 meters, must calculate the area of the place, the device if the number of cell phone jammers. 10 antennas are switched to different interference objectives, as we mentioned in the first paragraph, or we can make them all work. This means that almost the phone can ring and work there (cannot receive and receive phone calls and text), you can use the source Wi-Fi signal, data can be transmitted via Bluetooth, no GPS signal and LoJack, no follow-up. In short, no mobile device can run speech, they can focus on performance and avoid interruptions.

In order to avoid loud noises in the voice telephone, you can better use the jammers.

Telephone signal jammer works in museum

As you know, deterrent devices are available in many places. You will often find this device in places such as classrooms, libraries and cinemas. Recently, the museum has introduced this product. This place is a place to visit for culture and history. I came to this place to gain knowledge. However, there is a phenomenon such as the ringing of the telephone. Some people ignore this act. In such places, you must install a cell phone jammer to maintain good manners.

Principles and morals mature oneself. Language and behavior are important to adapt to the environment. Many people use cell phones even though they ignore their own feelings. Many people are affected by electronic products. It causes gps interference. Helps maintain a great environment. There are students visiting the museum. They are at an important stage in life. Huge history, there is a need to study beautiful art. Use telephone jammers to provide a good environment for students.

Telephone network jammers intentionally block or interfere with wireless communications. It’s a solution for phone signals. Prevents mobile stations from receiving signals from base stations. You can also block the traffic lights in the museum to maintain a good environment. It is often used in places where silence is expected. Most people are focusing on this jamming device. This site has relatively new products on the market. I understand that I am interested in jammers. We use high technology to provide high quality products.

Jammers can help in the war on terrorism

Terrorist attacks have occurred frequently in recent years and are causing great harm to people. Today, the fight against terrorism has been widely discussed and is one of the things people need to watch out for. We find an important means of the terrorist attacks is a bomb attack that causes great damage as a cruel and common means of the terrorists. Therefore, an important thing to fight a terrorist war is to prevent different types, sizes and powers of bomb devices.

There are many types of bombs. Fortunately, the government also has a special bomb disposal force to deal with these various bombs. However, the most difficult terrorist attacks are not able to tear the bomb apart, but to find and prevent bomb attacks. Can you imagine that when you are on the square, was there a sudden bombing in the cinema? It was too late to prevent it. With regard to the precautionary approach, you know that most of the terrorist attacks are triggered by a simple phone call. At this moment, if there is a suitable signal jammer near the place where the bomb is installed, you can make sure that nothing happens because the signal is not being transmitted. Such cell phone jammers are used by military and law enforcement agencies.

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In addition, when we refer to the fight against terrorism, we should mention that most countries have started to take these measures and have installed special woes on important roads where the President has witnessed. For this reason, because there is no signal that can trigger a bomb even when it is installed, there is no accidental danger.

The good news is that blocking technology is evolving and its functionality is getting better and better. Some of the best high power jammer can block radio signals in the range of 1 km or more. This achievement is very important because it can be more effective against terrorist attacks.

With the civilian conversion of military jammers and the development of all technology, it is good to know that the authorities are doing their utmost to protect the innocent. The woes can help with the terrorist attacks. The government’s defense measure is all the more important.

In which areas must be used more disruptive?

Put jammers in school

To block student access to pornographic websites, the center informed the Supreme Court on Friday that it is examining the possibility of installing signal jammer on school premises, but is ruling out the possibility of putting the machines on school buses.

The center announced today to the Supreme Court that it blocked 3,522 child pornographic websites last month and asked the CBSE to consider installing mobile whines in schools to block access to such websites.

The government said to a three-judge bench, led by Justice Dipak Misra, that jammers could not be installed on school buses and that steps were being taken to address the child pornography threat as a whole.

“The government has not instructed private and state schools to install high power jammer on school grounds to watch the increase in student sex crime and increasing reports of student-owned porn sites.” State Secretary for HRD Upendra Kushwaha said in a written response.

He also said that it is impossible to install Jammer in school buildings because computers and the Internet are an integral part of the curriculum. However, jammers can be installed on buses to prevent drivers and students from using the Internet. This situation mainly serves the security of the students.

Put jammers in the prisons

The use of mobile phones by inmates was a threat that could not be controlled due to the alleged violation of some prison officials. It was suspected that many crimes in prisons were planned by gangsters who used cell phones to tell the story to their henchmen.

According to a senior ECIL official, German jammers proved to be very effective when installed in prisons and other sensitive facilities for VVIP security. “We installed them in the central prisons of Chhattisgarh and Jharkhand, where a large number of Maoists are housed in high-security tracts. The chief director of Jharkhand’s security log contains these gadgets … they have now ordered more misery,” said the official who gave it preferred not to be quoted.

GPS jammer in civilian areas

GPS jammer can easily be ordered from the Internet and have the ability to protect privacy and prevent third party tracking. These products are beneficial and should be bought. For example, some VIP characters can prevent illegal location using the GPS tracker.

In North America and Europe, of course, such equipment is also required to protect privacy. Because you don’t know when your vehicle is being followed by someone else. GPS trackers are easy to buy.

students

GPS jamming technology can also be used to manage drones. Professor Todd Humphreys and his team have taken control of an unmanned drone using GPS spoofing technology in Austin. They used tiny helicopters to disrupt GPS systems in unmanned aerial vehicles and then provide coordinates so drones can reach their destinations.

It’s not the first time that a drone’s vulnerability has been exposed. It’s easy to buy a GPS jammer on the internet and then crash a drone. And this signal interference is effective for all unmanned aircraft.

The famous Davos Economic Forum has used similar devices to regulate the use of drones to ensure order and security. Such devices have played an important role in the success of recent conferences.

At the moment, the military applications of GPS jammer technology are mainly focused on electronic warfare. For decades, one of the main requirements in electronic warfare has been to geographically hostile transmissions. This has resulted in a plethora of location-finding techniques such as receive signal strength (RSS), arrival angle (AOA), arrival time (TOA), arrival time difference (TDOA), frequency difference of arrival (FDOA) and so on.

In a positioning application, we have a mutual problem: instead of trying to localize a transmitter relative to ourselves, we try to localize ourselves relative to a number of transmitters. Of course we use the same techniques: GPS is an excellent example of a TOA system.

Russian electronic interference with the Finnish and Norwegian GPS networks began in early September 2017 and was classified as secret by the Norwegian authorities until the exact nature of the scenario was determined.

The loss of GPS capabilities from commercial aircraft could certainly have resulted in a catastrophic air disaster, but the Norwegian Intel believes that Russian GPS jamming over Finland / Norway was not the intention of the Russian government or the Russian military.

According to the expert analysis, GPS interference and interference mitigation technology will be the key points for future electronic warfare.

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

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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!