2020 Julypage 5

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.

Current situation and application of mobile phone signal jammer

Which one is better for the anti-cheating signal jammer for the college entrance examination? jammer-mart will answer for you. The high school entrance examination is the two exams that Chinese students will go through during the process of entering a higher education. In many cases, the high school entrance examination determines the future and fate of many people. Therefore, the high school entrance examination and the college entrance examination are widely valued by society, schools, and families. In the middle school entrance examination and the examination, the test room signal blocker must be installed in the examination room to prevent criminals from cheating. NZDC built-in antenna full-band wireless signal jammer (name signal jammer/disconnector/suppressor/cutter/isolator/conference information confidential machine) is our factory adopts foreign high-tech, mainly for domestic college entrance examination, adult college entrance examination, self-study exam and In the examination process of colleges and universities, some criminals use mobile phones to cheat, combined with the current situation of middle and high school students using mobile phones to send text messages randomly during class hours.

As well as the troubles and noises caused by mobile phones in serious places such as political organizations, large, medium and small conference rooms of enterprises, concert halls, theaters and other serious places, high-tech products carefully developed according to the actual situation of domestic mobile communication. Within a meter range (50-250 square meters), cut off GSM/DCS/CDMA/PHS/3G (TD-SCDMA/CDMA2000/WCDMA)/4G mobile phone signals, 2.4GWIFI wireless signals and walkie-talkie transmission frequency bands UHF400-470MHZ, VHF135-175MHZM, Make the mobile phone unable to make and answer, the walkie-talkie cannot work normally, but it will not interfere with the work of other electronic teaching equipment, the mobile phone and walkie-talkie can be restored to normal use after leaving the partition. Clean the school and clean the meeting. Features of this test room type mobile phone signal jammer from jammer-mart:

1. GSM/DCS/CDMA/PHS/3G(TD-SCDMA/CDMA2000/WCDMA)/4G/UHF/VHF and other frequency bands

2. Use white built-in plastic shell, can be customized according to customer needs and color 3. Transmitting power 10W 4. Effective shielding distance adjustable from 1-30 meters (adjusted according to customer requirements before leaving the factory) 5. No damage to human body

Adhering to the corporate philosophy of pragmatism and integrity, we offer our customers and friends with products, technology and services. We are willing to develop together with our customers and industry peers and keep pace with the times, and we are proud of this!

How to obtain a high-power WIFI signal jammer?

Nowadays, people have very strict requirements for many signal interference equipment. Of course, everyone needs to obtain equipment that can meet their requirements at a preferential price, while also designing high-tech and powerful interference functions. Come to Texin Electronics, you will have the opportunity to obtain high-quality signal jammer.

After various types of signals are widely used in daily life, it is really necessary and necessary to avoid the negative influence on the signal in work or daily life. This is why more and more signal interference with good design and new design The equipment is well received by people. And now the newly designed 8-antenna signal jammer is really very powerful, just in this paragraph, a real example of this high-power 8-antenna signal jammer will be introduced to you here, you have the opportunity to see through the following content in detail This kind of high-power multi-purpose signal blocker is introduced.

wifi blocker device

First, just look at the name of this high-power multifunctional signal blocker, and then you will know that the full name of this example is “16W 8-antenna high-power desktop 3G 4G mobile phone Bluetooth jammer”, which of course is designed with 8 antennas and Observing the interference frequency band, you will of course be attracted by it, because this high-power 8-antenna signal interference device can cut off the signal time of CDMA GSM DCS PCS 3G 4G LTE 4G Wimax WiFi and Bluetooth at the same time, which is really powerful. On the other hand, the shielding range of this desktop WiFi 3G 4G mobile phone jammer is also very strong, because the interference range is up to 50 meters in detailed places based on the intensity of the information.

Cell phone jammers were also invented to help people who are interfered by 3G 4G cell phone signals. For those who are looking for high-power signal jammers, they can get good access here.

It is useless to say too much, and then just look at this real example “16W high-power desktop 8 antenna WiFi 3G 4G mobile phone signal jammer”, and then look at a brief introduction of its functions and capabilities. Soon you will know that this is a desktop WiFi Bluetooth 4G mobile phone jammer. It is designed with 8 antennas and can cut off the signals of CDMA GSM DCS PCS 3G 4G LTE 4G Wimax WiFi and Bluetooth at the same time. In this case, this high-power desktop phone WiFi jammer has both the ability of a mobile phone jammer and a WiFi Bluetooth signal blocker, which is really powerful.

Therefore, due to the design of the high-quality cooling fan system, this 3G 4G wifi jammer can always maintain a good working condition, and can easily reach the goal of 24/7 uninterrupted work. Therefore, 16W high power is also used in this high-power 4G WiFi Bluetooth signal jammer, so that the interference distance of the desktop WiFi Bluetooth 4G mobile phone jammer can reach 50 meters, depending on the intensity of the detailed information, which is really great and powerful.

In addition, there are many other styles of high-power advanced signal blockers. If you need high-quality and good-priced products, then you can come here to view more and choose one.

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.

Schools and prisons use mobile phone signal jammers to be safety-oriented

Schools and prisons should follow these three principles when using cell phone jammers

Radio management

The use of mobile phone signal jammers should not be exchanged at the expense of public mobile communications

Among those who use cell phone jammer, some are to prevent cheating in exams, and some are for quietness of the meeting or confidentiality of meeting information. These are all for good wishes and purposes. But there are also for their own benefit. For example, the owner of a public phone may use a jammer to interfere with the mobile communication base station near his business location, so that people working near the public phone operated by him can use the mobile phone instead of working Public telephone calls increase their economic income. In addition, mobile communication operators may also use shielding devices to harm each other’s interests, so that they can gain advantages in certain local competitions in the same industry. In addition, the mobile phone signal jammer is also easy to add software, becoming a veritable eavesdropping

The above list is the purpose of people using mobile phone signal jammers, but no matter what the purpose is, they should not be exchanged at the expense of public mobile communications. In fact, according to research, it is possible to install mobile phone signal jammers without affecting the normal use of public mobile communications. There are three reasons that cause the mobile phone signal jammer to disturb the mobile communication base station signal:

First, users of mobile phone signal jammers did not take into account the communication needs of outsiders at all, and the target was wrong. The mobile phone communication of a small group of people (such as examinees) should be restricted, but the target was expanded to other ordinary people around.

Second, improper use, because the cell phone signal jammer is installed in an improper position or its transmission power is set too large, it should be controlled within a small range but not properly controlled.

Third, the purchased cell phone signal jammer does not meet the approved standards for radio equipment, the power exceeds the standard, or is a low-quality and substandard product. Finding the reason, in order to overcome its impact on mobile communication signals, it is actually very simple: first, use standard products produced by regular manufacturers, secondly, choose the installation location and direction of action, and thirdly set appropriate transmission power. , It is enough to limit the transmitted signal to a small enclosed area. As long as the above three points are achieved, its impact on nearby mobile communication base stations can be minimized.

Improper application of mobile phone signal jammers in schools and prisons may cause unnecessary harm to the human body

Theoretical analysis shows that when the mobile phone signal jammer is working, if the transmission power is too large due to improper setting, in a small confined space such as meeting rooms and classrooms, electromagnetic waves are superimposed in a small space and pass through the walls that are originally separated from the outside. Multiple reflections from the ceiling and the ground will cause people in the room to be exposed to serious electromagnetic pollution. According to the survey, the college entrance examination and the high school entrance examination are the occasions where mobile phone signal jammers are used the most. In some examination rooms where mobile phone signal jammers are used, some parties (the college entrance examination inspectors, examinees and teachers) are irritable and unable to concentrate. Individual examinees Even headache symptoms appear. Various signs indicate that if the transmission power of the mobile phone signal jammer is turned on too large, it will seriously affect the normal thinking of candidates in the examination room.

As we all know, the characteristics of the free propagation of radio waves in the air, mobile phone signal jammers can block mobile communication base station signals in a certain area and achieve their limited purposes, but also harm human health to varying degrees. Therefore, you must use mobile phone signals with caution. Shield.

The functional management department should strengthen supervision and regulate the safe use of mobile phone signal jammers in schools and prisons

Faced with the increasing use of mobile phone signal jammers from all walks of life in the society, functional departments such as the Radio Management and Security Bureau must increase supervision and regulate the use of mobile phone signal jammers

Does cell phone signal jammer affect pregnant women?

1. The signal jammer is aimed at mobile transmitters and has no effect on the human body.

jammer signal device Powerful

2. The mobile 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, which can cause garbled interference in the signal received by the mobile phone. The mobile phone cannot detect the normal microwave signal data sent from the base station. In the range, the mobile phone cannot establish a connection with the base station, so as to achieve the purpose of banning the mobile phone. The mobile phone is manifested as a search network, no signal, no service system and other phenomena.

3. The mobile phone signal jammer only shields the mobile phone signal without affecting other electronic equipment and is harmless to the human body.

4. The radiation of the mobile phone is similar to that of the previous radio. Generally, the mobile phone has relatively large radiation only when making a call. In fact, pregnant women should be fine as long as they pay a little attention. The larger radiation is actually some electrical equipment at home, such as Said induction cooker air conditioner or something

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.

cheap signal jammers

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

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.

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.