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There are many kinds of examinations in society at present, and the most influential one is the annual college entrance examination. This is the door for thousands of students to enter institutions of higher learning and the bridge for countless families to place unlimited hopes on. There are also entrance exams for master's and doctoral students, CET-4 and CET-6, high school entrance exams for primary school to junior high school, etc. It plays a very important role in the life of every family. In order to fully ensure that all cand... more
GPS locators have become undeniably solid products, whether pinpointing a business property or monitoring a home. But as users become increasingly dependent on these things, the reasons for hackers to twist the system increase. Obviously, potential interference with how these devices work could severely impair performance.GS monitoring device is mainly used for real-time location monitoring, monitoring of property and loved ones. For years, surveillance devices have been used for legal tasks such as rescue missions, sex offender moni... more
People's communication methods have become more and more simple and efficient after the emergence of mobile phones, but at the same time, it has also brought great inconvenience to work in some places. Therefore, many places need to use signal jammers to block mobile phone signals to avoid normal Work is interrupted by mobile phones. So, what are the good properties that a signal jammer should have in order to achieve ideal results?1. Weather resistanceIn some places, signal jammers need to be used all year round. Therefore... more
In this Internet age, everyone has their own mobile phones and other communication devices, which brings a lot of convenience to everyone's life. However, in some special areas, mobile phones and other communication devices have brought a lot of troubles to people, such as: conference rooms, examination rooms, schools, dormitories and other areas, all of which have encountered similar problems. At this time, we can use signal shielding instruments, which can effectively block and interfere with the signals of mobile phones and other ... more
When the mobile phone is working, it is within a certain operating frequency range. The mobile phone and the communication base station are connected using electromagnetic waves, and information and sound effects are transmitted with a certain serial port baud rate and deployment method. For this type of communication principle, the signal jammer for cell phone passes from the low-end rate of the wireless channel to the high-end scanner at a certain rate during the operation process. This scanner speed can cause errors in t... more
As a new technology electronic device, smartphones are very popular in today's society and are the main trend of social development. For most young people, unscientific use of it has caused many problems, so why use mobile phones and why should they be banned? What to prevent? Cell phone signal jammers can be used to prevent these problems, and cell phone signal jammers will be used in the national key vocational qualification examinations. There is no doubt that mobile phones have already undergone earth-shaking changes in our daily... more
Technology is developing more and more rapidly. With the continuous emergence of high-tech products, eavesdropping devices are also being updated in large quantities, and various eavesdropping devices have also appeared. . In addition, with the development of AI voice technology, your voice can be recorded invisibly. At present, your reputation can be quickly copied in about 5 seconds. Who would have thought that it would counterfeit the content of your conversation to do a page of illegal things?Turning a smartphone into an instant ... more
Technology is developing more and more rapidly. With the continuous emergence of high-tech products, eavesdropping devices are also being updated in large quantities, and various eavesdropping devices have also appeared. . In addition, with the development of AI voice technology, your voice can be recorded invisibly. At present, your reputation can be quickly copied in about 5 seconds. Who would have thought that it would counterfeit the content of your conversation to do a page of illegal things?Turning a smartphone into an instant ... more
Maybe we all need to know that in many Chinas, there are no laws and regulations on data signal interference devices, but for our applications, we also need to know common issues, including maintenance of key parts, and where can I use them. Among the commonly used mobile phone signal shielding, it is strictly forbidden to use signal shielding to avoid phone harassment, mobile phone ringtones are prohibited, and GPS positioning system shielding protects car whereabouts, prevents tracking, and maintains personal privacy on site.Based ... more
There are various mobile phone signal blocking devices on the market, and there are various machines. Prices are also unstable. Maybe you once bought a cheap machine, but when it came time to actually use it, it was useless. In fact, when buying a 5G signal jammer, you don’t care about its price at all, because all major buyers can afford it. Otherwise, even if the useless machine is cheap, consumers will not have any practical effect if they buy it. When choosing a 5G signal jammer, you know it will definitely be used in this a... more
The function of cell phone signal jammer is to block signals. It is used in many occasions. The most common use occasion we come into contact with is in the examination room. Nowadays, information spreads very fast. With a mobile device, all kinds of information can be spread to every corner in an instant. For some occasions where information cannot be spread, mobile phone signal jammers are very necessary. The editor below will introduce to you the principles, functions and prices of mobile phone signal jammers.1. Introduc... more
Compare how a cell phone signal booster works to an antenna: The booster receives the cell signal from a base station and sends it to the cell network. You can forget about issues like limited range, dropped calls, and slow data rates when you have a cell phone signal booster. Therefore, a cell phone signal booster is your personal supply of high-quality cellular network.Cell phone signal booster will help your cell phone work at a high level. This device improves the reception of signals, so you will enjoy the perfect working of you... more
Common cell phone signal jammers on the market have operating frequencies: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The applicable frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control a range of about 40 meters in diameter, using a DC-DC converter input voltage and 5V output voltage.Before purchasing a jammer, there are several important factors that should be considered:1) Band frequency.The correct frequency to choose depends on the device you want to block. To prevent cell phone re... more
Common cell phone signal jammers on the market have operating frequencies: 869~894MHz; 825~960MHz; 1805~1880MHz and 1900~1990MHz, etc. The applicable frequency bands are CDMA800, GSM900, DCS1800, and PCS1900. It can control a range of about 40 meters in diameter, using a DC-DC converter input voltage and 5V output voltage.Before purchasing a jammer, there are several important factors that should be considered:1) Band frequency.The correct frequency to choose depends on the device you want to block. To prevent cell phone re... more
Every year during the college entrance examination, the school will have network problems, such as mobile phone disconnections and slow Internet speed, because the school has turned on the cell phone jammer. If we think of cell phones as handheld two-way radios, radios are subject to interference, and cell phones are no exception. Like any radio, cell phone signals are subject to interference.In this article, Topsignaljammer will talk to you about how cell phone jammers work.interference principleJamming a cell phone is like jam... more
As we all know, full-band jammers, with their advantages of high efficiency, stability, reliable quality, and strong interference, play an important role in various places that require signal shielding, such as examination rooms, party and government agencies, large enterprises, etc. Now many families are trying to So that children can concentrate on learning, they will also choose a full-band jammer with better performance. So how to choose a full-band jammer?1. According to signal strengthThe selection of a full-band jammer&nb... more
Many customers have called and said that I need a cell phone signal jammer that can block signals with a radius of 50 meters, an interval of 500 meters, and a radius of one kilometer, and it needs to be blocked by China Mobile, China Unicom and China Telecom.Is there a problem with the customer's request? No problem, and specific interval requirements are given, but can it be completed? The answer is that it is relatively difficult to achieve. Why is it so difficult to achieve? Don’t signal jammers have their own shielding ... more
Shop around to select products and conduct extensive research to learn more about:1. Investigate product quality, technical means, brand, etc.;2. Through Internet search, initially understand and communicate with technical personnel, and listen to technical instructions;Prison demonstration to see the effect:Select a few and go to the site to test and demonstrate the shielding effect;The third part examines the actual effects of the case.After the demonstration, the application, operating status and actual effect of the product in ot... more
Wi-Fi has revolutionized the way we connect and communicate, but with its widespread adoption comes a concerning trend: the rise of WiFi blockers. This article explores the implications and concerns surrounding the increasing use of Wi-Fi blockers, shedding light on the potential consequences for individuals, businesses, and society as a whole.Understanding Wi-Fi Blockers:
This section provides an overview of Wi-Fi blockers, explaining how these devices work and their primary purpose of disrupting or blocking Wi-Fi signals. It ... more
Wi-Fi has revolutionized the way we connect and communicate, but with its widespread adoption comes a concerning trend: the rise of WiFi blockers. This article explores the implications and concerns surrounding the increasing use of Wi-Fi blockers, shedding light on the potential consequences for individuals, businesses, and society as a whole.Understanding Wi-Fi Blockers:
This section provides an overview of Wi-Fi blockers, explaining how these devices work and their primary purpose of disrupting or blocking Wi-Fi signals. It ... more
Effectively signal jammers various walkie-talkie signals, blocks (interferes with) the communication between the walkie-talkie and the receiver, and prevents various wireless stealth headsets (including anti-shielding and anti-detection headsets) grafted to the walkie-talkie system from working properly (strong noise or no sound) )It only blocks the intercom signal and does not affect the normal operation of other electronic equipment.Environmental protection, the amount of electromagnetic radiation has been strictly tested... more
With the popularity of mobile phones, the demand for mobile phone signal blocking in various conferences, exams, etc. has also increased significantly. Therefore, cell phone signal jammers naturally have a wide market. However, the vast majority of customers lack sufficient understanding of mobile phone signal jammers, and often choose high-power jammers one-sidedly for the sake of good results, causing many hidden dangers.The principle of the mobile phone signal jammer is to emit interference signals through broadband and ... more
There are all kinds of cell phone jammer and all kinds of machines on the market. Prices are also unstable. Maybe you've bought a cheap machine on a platform, but it actually didn't work. When buying mobile phone signal shielding, you can't care about the price, because buyers are useful. Otherwise, even if a useless machine is cheap, consumers will have no actual effect. When choosing mobile phone signal shielding, you know what aspects you need to use. You can tell our company's expert who specializes in selling mobile ph... more
The shielding distance of the device has a great relationship with the power of the device and the use environment. There are several aspects that are helpful to the shielding effect: first, the output power of the device, second, the working mode of the shield, and third, the use environment (indoor or outdoor), The fourth is to shield the interference intensity of the surrounding environment.cell phone signal jammerNowadays, mobile phones all use digital signals, and digital signals have strong anti-interference capabilities. Gener... more
The shielding distance of the device has a great relationship with the power of the device and the use environment. There are several aspects that are helpful to the shielding effect: first, the output power of the device, second, the working mode of the shield, and third, the use environment (indoor or outdoor), The fourth is to shield the interference intensity of the surrounding environment.cell phone signal jammerNowadays, mobile phones all use digital signals, and digital signals have strong anti-interference capabilities. Gener... more
Install using:1. Make sure the antenna and other accessories of the signal jammer for sale are installed correctly;2. Ensure that the mobile base station is more than 200 meters away;3. The shielding effect depends on the surrounding environment. The interference effect of mobile phones used in suburbs is better than that in cities, because the density of mobile base stations in cities is larger and the distance between base stations is closer, causing the signals emitted by urban mobile base stations (where the jammer need... more
Looking at ancient and modern times, at home and abroad, cheating has occurred in all examinations in the past. It is just that as skills improve, the methods of cheating are constantly updated and changed. Nowadays, with the development of technology, more and more people use mobile phones to cheat, which has become an issue that examination management departments pay more and more attention to. Cell phone signal jammers are currently a proactive preventive measure in major examination centers.Mobile phones have indeed bro... more
5G signal jammers are built to block the working of communication equipment. The device uses the frequency at which the mobile phone operates, so it cannot affect the use of the mobile phone by receiving signals from the base station. If you want to disable the normal functions of your mobile phone, just install a mobile phone signal jammer, and the mobile phone will stop accepting calls and messages within a certain period of time.A cell phone signal jammer is a unique device. It will assist you against 5g, UMTS, CDMA, GMS, PHS... more
product description:At present, data signals are almost everywhere, and all electrical equipment will be surrounded by them. When the mobile phone is not used, the impact of these heavily surrounded signals on other electrical equipment is minimal. This is because when the mobile phone is not used, there is no communication between the mobile phone and the base station, and there is no communication between the mobile phone and the base station. It is unlikely that sudden changes in signals will occur. The electrical equipment is sur... more
First, you need to explain to the jammer sales manufacturer the place you need to shield and the size of the range. The most important point is whether there are mobile phone signal transmission towers built by operators within three to four hundred meters. These will affect the choice of jammer. type. Find several, compare prices and qualifications, and choose the best.How to choose the right cell phone signal jammer?1. Shielded frequency band: Before purchasing, you need to understand which signals you want to block. Ordinary ... more
5G signal jammer has many different names, signal jammer, mobile phone jammer, signal jammer, signal interference device, signal blocker, mobile phone isolator, mobile phone disconnector, mobile communication signal Jammer, signal blocker, mobile phone jammer, signal jammer, mobile phone blocker, signal blocker, mobile phone signal isolator, signal isolator, signal disconnector, wireless communication Signal jammer.For the upstream and downstream channels of the mobile phone system, it uses memory overclocking, frequency divisio... more
1. 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 1500-1600MHz range. Jammers make it impossible for GPS satellites to monitor the location of cars and all vehicles via GPS, and gps jammer devices will not interfere with cell phones and other devices. The GPS jammer range can be from 5 to 15 meters, which is enough for cars and buses as the trackers are usually installed in the cab inside the car. After initiating the connection via... more
Many schools have been very busy recently, because the days for the college entrance examination are counting down day by day, and they are working non-stop to prepare the materials and machines needed for the examination room. This is to allow candidates to take the examination in a stable and orderly environment.This is also the responsibility of the school. So recently we can see that a kind of machine has been installed in the examination room. This is the examination signal blocker that has been vigorously promoted by ... more
1. The antenna equipment is not tightenedIf the antenna equipment is not tightened, the temporary phenomenon that occurs is that the occurrence of some frequencies cannot be blocked. If this symptom occurs during on-site installation, please first check whether the antenna equipment is tightened.(1) Details of tightening the antenna: Since the antenna is composed of two parts of the activity (1 is the short connector; 2 is the antenna pole), you must hold the lower part of the antenna short connector tightly during installation. Tigh... more
There are many kinds of cell phone signal jammers on the market, and there are also various machines. Prices also vary. Maybe you may have purchased a cheap machine on a certain platform, but it was useless in actual use. In fact, when buying a mobile phone signal jammer, you don't have to care about its price, because the main buyer must buy it if it is useful. Otherwise, even if the useless machine is cheap, it will have no practical effect for consumers to buy it. When choosing a cell phone signal jammer, just make sure ... more
Mobile phone signal jammers are mainly used in various examination rooms, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, governments, finance, prisons, public security, military areas and other places where the use of mobile phones is prohibited. It is understood that the cell phone signal jammers currently on the market can limit mobile phone signals that are 500M meters away from the transmitting station and have a radius of >20 meters. The shielding radius is adjus... more
There is a law in economics: the law of value is the basic economic law of commodity production and commodity exchange, that is, the value of commodities depends on socially necessary labor time, and commodities are exchanged with each other according to the principle of equal value. In a private ownership society, the law of value spontaneously regulates production, stimulates the improvement of production technology, and accelerates the differentiation of commodity producers. In a socialist society, since the socialist economy is a... more
The higher the power of the cell phone signal jammer, the better the effect. In fact, this is not the case. For example, if a space is about 400-500 square meters, you should choose a mobile phone signal jammer that can block about 600 square meters. It’s not that the higher the power, the better. After all, the power of a mobile phone signal jammer has a safe power range. Some customers expressed why most merchants' machines have poor shielding effects when the signal source is very close, while some merchants have very good ef... more
Installation steps and methods1. Take out the screen host from the packaging box.2. Hang the signal jammer on the wall or corresponding location. The recommended installation height is 1-1.8 meters.3. First connect the power cord to the host, then plug the power cord into the mains socket, and then turn on the power switch. The work indicator light on the host lights up to start working.4. For large and small spaces, the installation location is as shown in the figure below.Precautions1. The effective coverage range of the ... more
If you want to understand the answer to the question of whether a mobile phone signal jammer has an impact on laptop Internet access, you must first understand the interference frequency band of the mobile phone signal jammer and the frequency band used by laptop computers to access the Internet.First of all, if the interference frequency band of the mobile phone signal jammer overlaps with the frequency band used by the laptop to access the Internet, it will affect the laptop's Internet access function. Let’s first take a look at th... more
With the rapid popularization of 5G technology, the demand for cell phone signal jammers is also increasing. As an important communication security device, wireless signal jammers can help users block or control the transmission of 5G signals in specific scenarios to protect personal privacy and data security.Using advanced technology and high-power amplifiers, it covers a wide range of signal frequency bands, including 2G, 3G, 4G and 5G networks. With high power output and high anti-interference ability, it can effectively... more
The use of drone signal jammers needs to comply with local laws and regulations, and only operate within legal circumstances. The following is a general step-by-step guide, but please note that the exact instructions may vary by device model and manufacturer. Before operating a drone signal jammer, make sure you understand the device's instructions for use and operating manual in detail and follow the following general guidance:Determine the operating environment: Before using a drone signal jammer, it is crucial to underst... more
GPS signal jammer and GSM signal jammer are two different devices used for different purposes, they have the following main differences:Function and application: GPS signal jammer is used to block or interfere with the Global Positioning System (GPS) signal to prevent the GPS device from receiving positioning signals from satellites. It is often used in specific scenarios, such as military, security testing or personal privacy protection. The GSM signal jammer is used to block or interfere with the signal of the Global Syst... more
There are several key reasons for using cell phone jammers in exam rooms, all related to maintaining the fairness, security and order of the exam.Preventing cheating: The main purpose of using mobile phone signal jammers in examination rooms is to prevent candidates from cheating using their mobile phones. Cheating on mobile phones may include looking up answers, transmitting information, using stored information, etc. These behaviors can seriously undermine the fairness and accuracy of the exam. By blocking mobile phone si... more
