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Tag search results for: "jammer"
Cell phone jammers can not only interfere with mobile phone signals, but also interfere with radio signals in other frequency bands by adding interference modules of different bands. Everyone knows that radio signals can achieve different functions according to the different frequencies used, including GPS, WiFi, etc. Because of the differences in radio technology and standards, as well as the differences in signal strength emitted by the signal transmitter of the radio signal, the interference range of cell phone jammers w... more
Customers often ask in what kind of environment can the effect of the cell phone signal jammer be maximized? Why do mobile phone signal jammers not work well in some places, or the shielding effect is relatively poor? In fact, this is closely related to the electromagnetic environment around the place where the jammer is used. So in what environment will the shielding effect be relatively poor?1. The environment where the mobile phone signal jammer is used is not transparent, there are many compartments, or walls are blocke... more
When using the cell phone jammer, the most basic requirement for the use environment is to have a stable power supply. The most common one is AC 220V mains electricity. Different types of mobile phone jammers can be selected for different use environments. For outdoor use, it is recommended to use a mobile phone jammer with good waterproof performance and fully enclosed shell. In places such as chemical plants or oil depots at gas stations, explosion-proof cell phone jammers are required. For indoor use, only a stable and reliab... more
As the most common auxiliary equipment in the examination room, the cell phone signal jammer is a magic weapon to prevent candidates from cheating. According to the different wireless signal interference frequency bands configured inside the jammer, the functions of different wireless signal interference are also different, so how to increase the interference of the wireless intercom frequency band.Nowadays, cell phone signal jammers have basically realized modularization, that is, different interference modules are used ac... more
When using wireless signal jammers and other wireless signal jammers, it must be reasonable and compliant. According to relevant laws and regulations, if it causes a large-scale interruption of other people's communication signals, it is an illegal act. Therefore, in order to ensure people's normal communication rights and the demand for cell phone signal shielding in some places, the use of cell phone signal jammers must be reasonable and compliant.The signal of the mobile phone is transmitted through the signal of the bas... more
For some occasions, the use of mobile phones will bring a lot of troubles, so people will think of installing and using mobile phone signal jammers in places where mobile phones are prohibited, so as to prevent the use of mobile phones and ensure that the mobile phone signals in this area are restricted. Everyone likes to choose some cost-effective products, and mobile phone signal jammers are no exception. They want to spend less money to buy a jammer with a large shielding range, reliable quality, and little interference ... more
Recently, a key device that has been frequently active in major examination halls, I believe many people should know the real role of this device. It is a key device that has been vigorously promoted in school exams of all sizes, which can effectively prevent and prevent candidates from cheating. That is today's protagonist: cell phone signal jammer.All candidates who take the college entrance examination are concentrating on preparing for the college entrance examination and strive to achieve good results in the college entranc... more
The police frequency jammer purchased by the customer earlier did not originally have the operator's 5G frequency interference module. With the gradual popularization of 5G signals, the police jammers that did not have 5G frequencies cannot shield and interfere with 5G signals, so the jammers must be upgraded to 5G signal frequencies to shield and interfere with 5G frequency signals.According to the division of operator 5G signal frequencies issued by the Ministry of Industry and Information Technology, the 700M shared by C... more
Can cell phone signal jammers shield through walls? To answer this question, we need to look at several situations.First, let's look at the cell phone signal jammer itself. The mobile phone jammer transmits a wireless radio frequency signal specifically for mobile phone signals. When it encounters a wall in the transmission path, part of the signal will be reflected back, and part of the signal can directly penetrate the wall, but the signal strength will be attenuated to a certain extent. And facing different walls, the at... more
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The shielding range of a cell phone signal jammer is mainly determined by the following factors.1. The transmission power of the cell phone signal jammer itself in different frequency bands. In theory, the greater the transmission power, the greater the shielding range. And it is related to the frequency band of the signal frequency transmitted by the frequency band. If the transmission power is the same, the narrower the bandwidth, the greater the shielding range.2. The shielding range of a cell phone signal jammer also de... more
Recently, a key device that has been frequently active in major examination halls, I believe many people should know the real role of this device. It is a key device that has been vigorously promoted in school exams of all sizes, which can effectively prevent and prevent candidates from cheating. That is today's protagonist: cell phone signal jammer.Now there are less than 100 days left before the college entrance examination. All candidates taking the college entrance examination are concentrating on preparing for the college e... more
Before installing the conference room signal jammer, it is necessary to test the shielding effect.When it comes to conference rooms, they are generally divided into small conference rooms, medium conference rooms, and large conference rooms according to the size of the area. Before installing the conference room signal jammer, the test methods for these three types of conference room signal jammers are also different. The environments of these three types of conference rooms are also completely different.The area of the small ... more
The use of a cell phone signal jammer should not be at the expense of public mobile communications.Among individuals or units that use cell phone signal jammers, school exams use cell phone signal jammers to prevent cheating in exams, and conference venues use cell phone signal jammers to keep the venue quiet or keep conference information confidential. These are all for good intentions and purposes. But there are also those who use them for their own selfish interests. For example, a household owner who operates a public t... more
In recent years, in various national examinations, cases of cheating with mobile phones have occurred from time to time, seriously affecting the fairness and justice of the examinations. For this reason, the state stipulates that cell phone jammers must be equipped during important examinations to create a fair examination atmosphere for candidates. So, after turning on the cell phone jammer, why do some mobile phones still show signals?There are several situations in which the mobile phone has a signal.1. The cell phone sh... more
In general, it is not recommended to use a high-power cell phone signal jammer to shield the entire teaching building. This is because it cannot be ensured that the entire teaching building can be completely shielded by using a high-power mobile phone signal jammer. Even if a high-power cell phone signal jammer is used to shield the entire teaching building, there will be some areas where mobile phone signals cannot be shielded.However, in some specific cases, using a high-power cell phone signal jammer to shield the entire... more
We have to go through many examinations, including the junior high school entrance examination, the college entrance examination, the postgraduate examination, the CET-4 and CET-6 examinations, various qualification certificate examinations, and the annual civil service examination, etc. In the examination room, the most common examination auxiliary equipment is the cell phone signal jammer to prevent cheating.Nowadays, the cell phone signal jammer has basically achieved modularization, that is, different frequency bands us... more
Before the cell phone signal jammer is officially activated, the shielding effect of the cell phone signal jammer must be tested first, so that the installation location and number of cell phone signal jammers can be selected.First, preset the installation location of the cell phone signal jammer, and place the cell phone signal jammer on the desktop, generally placed in the front and back corners of the site of use, turn on the power and turn on the switch, and then the shielding effect test can be carried out.Before prepa... more
We have to go through many examinations, including the junior high school entrance examination, the college entrance examination, the postgraduate examination, the CET-4 and CET-6 examinations, various qualification certificate examinations, and the annual civil service examination, etc. In the examination room, the most common examination room auxiliary equipment is the cell phone signal jammer to prevent cheating.Nowadays, the cell phone signal jammer has basically achieved modularization, that is, different frequency ban... more
To know whether the cell phone signal jammer will interfere with the ZigBee signal, you must first understand what the ZigBee signal is. Zigbee technology is a wireless communication technology used in short distances and low rates. Zigbee was previously known as "HomeRF Lite" and "FireFly" technology, and is collectively referred to as Zigbee technology.It is mainly used for data transmission between various electronic devices with short distances, low power consumption and low transmission rates, as well as typical applic... more
In prisons, detention centers and other places of supervision, mobile phones and other communication tools are prohibited from being brought into the supervision area. Once a mobile phone is brought into the supervision area by some lawless elements through unknown means and put into use, it will bring great harm to the management, safety and development of the supervision area. Because of this, it is very necessary to install a cell phone signal shielding system in prisons and other places of supervision.Compared with ordinary ... more
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In some places where the use of mobile phones is restricted, the most common operation method is to install a cell phone signal jammer. However, there are always a small number of people who think about how to crack the cell phone signal jammer so that their mobile phones can be used normally. So are the methods of cracking the cell phone signal jammer searched online reliable?If you want to crack the cell phone signal jammer, you must first understand the working principle of the mobile phone signal jammer. The working principl... more
Before the cell phone signal jammer in the conference room is officially activated, the shielding effect of the cell phone signal jammer in the conference room must be tested first, so that the installation location and number of cell phone signal jammers in the conference room can be selected.First, preset the installation location of the cell phone signal jammer in the conference room, and place the cell phone signal jammer in the conference room on the desktop. Generally, it is placed in the front and back corners of the... more
As we all know, cell phone signal jammers are composed of many interference modules with different frequencies, and the frequencies between these interference modules and antennas must correspond one to one. So why should they correspond one to one? If they do not correspond one to one, what problems will there be?The interference modules of cell phone signal jammers are divided according to the signal frequencies used by mobile phones, ranging from 800M to 6G. Mainstream cell phone jammers are generally divided into 10-12 ... more
As we all know, cell phone signal jammers are composed of many interference modules with different frequencies, and the frequencies between these interference modules and antennas must correspond one to one. So why should they correspond one to one? If they do not correspond one to one, what problems will there be?The interference modules of cell phone signal jammers are divided according to the signal frequencies used by mobile phones, ranging from 800M to 6G. Mainstream cell phone jammers are generally divided into 10-12 ... more
First, the cell phone signal strength from the base station to the use siteWhat is cell phone signal strength? It is the signal strength emitted by the base station. The closer the distance to the base station, the stronger the cell phone signal from the base station to this place. Then, in different places, the signal received by the mobile phone is not always the same. Everyone should have experienced intermittent mobile phone call quality and slow Internet speed. This is caused by the strength of cell phone signals in different pl... more
The use of cell phone signal jammers in examination rooms is now basically standard, and it is common and not surprising. When you enter the examination room, you will also find a common device, that is, a radio-controlled clock. Radio-controlled clocks, as the name suggests, are clocks that display time, but radio-controlled clocks are not simple clocks. Radio-controlled clocks are clocks that ensure the accuracy of time by receiving wireless signals from the National Time Service Center. They are much more advanced than o... more
Before installing the conference room signal jammer, it is necessary to test the shielding effect.First of all, when it comes to conference rooms, they are generally divided into three types: small conference rooms, medium-sized conference rooms, and large conference rooms. Before installing the conference room signal jammer, the test methods for these three types of conference room signal jammers are also different, and the environments of these three types of conference rooms are completely different.The area of the small co... more
Low-power cell phone signal jammers are basically used indoors, and high-power cell phone signal jammers are basically used outdoors.When using a low-power cell phone signal jammer outdoors, the most important thing is to pay attention to rain protection. Just install a canopy above the mobile phone signal jammer, and pay attention to waterproofing the power supply line before it can be used normally.The chassis of the high-power cell phone signal jammer has been waterproofed. There is no need to worry about normal rainfall... more
In order to better enforce the ban on the use of cell phones in prisons, relevant departments will require communication companies to ban uncertified communication equipment. This measure may be based on one of the serious violations of relevant laws and regulations. Standards enforce the law. Legislators in the lower house of parliament can read the decree on Monday.Prison Section Chief Andre said: "Although the previous series of secu rity measures did not have actual results and instead led to an increase in the illegal use of com... more
In order to better enforce the ban on the use of cell phones in prisons, relevant departments will require communication companies to ban uncertified communication equipment. This measure may be based on one of the serious violations of relevant laws and regulations. Standards enforce the law. Legislators in the lower house of parliament can read the decree on Monday.Prison Section Chief Andre said: "Although the previous series of secu rity measures did not have actual results and instead led to an increase in the illegal use of com... more
Mobile and wireless WiFi jammers are dedicated to ensuring your safety and protecting your personal space from unwanted phone calls, information leakage on the communication band and mobile Internet channels, wireless Wi-Fi and mobile Bluetooth Internet relying on micro cameras and system vulnerabilities. In addition, when using signal blocking, the operation of most wireless devices will be blocked, and 99% of devices work at the 2.4GHz frequency.Generally, this type of WiFi jammer is used where the use of mobile phones an... more
With the development of the Internet, the rapid development of wireless network technology has become a practical communication network in our daily lives. The development trend of wireless networks and mobile phones has increased the total number of cyber crimes, and external punishment for cyber crimes is limited to China, the majority of the world. The prevalence of new technology applications in the past 20 years has resulted in the prevalence of cyber crimes. If gangsters were made big by a series like Mr. Robert or Hackers, mos... more
Cell phone signal blockers are already very common information confidentiality devices in some special occasions, but their working conditions have also attracted everyone's attention. In addition to being able to block cell phone signals, can such devices also block wifi signals? These questions are also questions that many netizens want to know. To fully understand such questions, we must first understand the working mode of cell phone signal blockers and the interference frequency bands and the left and right frequency b... more
Nowadays, the popularity of car GPS devices has provided us with a great deal of convenience. At the same time, car buyers are also worried that they may encounter the risk of unauthorized people tracking them through GPS. GPS signal blockers can help solve this problem. GPS signal blocker is a monitoring system used to prevent GPS tracking equipment from receiving GPS device signals. Once you turn on the GPS signal blocker, the GPS signal will be blocked immediately, and you will become untraceable.There are a variety of Q... more
1. How to tell if a GPS signal jammer is installed in the car?The vehicle GPS series signal jammer is the third generation green GPS signal jammer. It only blocks the signal received by the local GPS terminal device and has no negative impact or impact on the communication and transmission of other surrounding electronic products. The device adopts a single-channel output and can block various GPS signals such as all positioning terminal devices within a range of 2-50 meters (depending on the height of the satellite signal), so ... more
Do you like shopping online and think it is very convenient and easy to get what you need from online stores? When asked about this phenomenon, the answer is undoubtedly yes for most people, and in this field, more and more people like to shop online, such as computers, clothes, food and many other items. The same is true for new items. Therefore, when you need to get a signal jammer, online shopping is also one of the ideal choices. If you want to know that a reliable online store is your reliable source, then you come here and have... more
With the rapid development of mobile communication technology, cell phones have become an indispensable tool for people's work and life. Intelligent communication methods have brought us convenient, convenient and accurate comprehensive services, but also brought about increasingly serious air pollution and confusion in life, learning platforms and network security risks. Intelligent management and control of mobile phone communications in designated areas and special environments is undoubtedly the main way to solve the current prob... more
2.4GHz wifi jammer for home life and conference roomsMobile and Wi-Fi Blockers are designed to keep you safe and protect your personal space from unwanted phone calls, interception of communication channels and data leakage on mobile internet sites, Wi-Fi - Fi and mobile Bluetooth internet rely on tiny cameras and system vulnerabilities. In addition, when a signal jammer is used, the movement of most wireless devices will be blocked, 99% of which devices operate at the 2.4GHz frequency.Typically, this type of Wi-Fi blocker ... more
Many customers often call and say: I need a new cell phone signal jammer that can shield a radius of 50 meters, a distance of 500 meters, and a radius of one kilometer, and it must be shielded by China Mobile, China Unicom, and China Telecom.Is there anything wrong with the customer's requirements? No problem, and they also put forward specific distance requirements, but can it be achieved? The answer is: it is relatively difficult to achieve.Why does this happen? Isn't the main parameter of the signal jammer marked with it... more
To understand the answer to the question of whether the 5g signal blocker has an impact on the Internet access of laptops, we must first understand the image frequency band of the cell phone signal screen and the frequency band used by the laptop network.First of all, if the frequency band affected by the 5g signal blocker overlaps with the frequency band used by the laptop network, it will affect the network function of the laptop. Let's take a look at the frequency band affected by the 5g signal blocker. Because the signa... more
In many occasions in daily life, such as exams, meetings, etc., it is very inappropriate to use mobile phones. At this time, in addition to paying for the mobile phone in advance, you can also use cell phone signal jammers to block cell phone data signals and Wi-Fi signals for special occasions. Without cell phone data signal and online data signal, we will not play with mobile phones, which achieves the desired effect very well.The creation of cell phones has indeed increased the distance between people and provided great ... more
There are some products that are very similar in appearance but different in quality. In the process of purchasing a GPS jammer, you can really have a reasonable way to judge the quality of the device. On this premise, before making the selection This is the basis for everyone in the purchase process, but some people do not fully understand how to judge the quality during the purchase process? There are many ways to do the same thing. After you can accurately carry out the control, you can obtain the required results naturally.In man... more
Nowadays, there are more and more criminal activities at home and abroad, especially telecom fraud is getting more and more serious. Do you remember the fraud video of a certain country last year? Let the Chinese people clearly realize the harm of fraud, but do you know what technology these telecom frauds use to locate your location? How to solve the problem of fraud phone not locating your location?In recent years, fraud criminals have become more and more rampant, and many criminals use GPS to carry out fraud activities more frequ... more
Cracking method 1: Enter the cell phone settings, click "Network Settings", change the network mode to "Manual Model" and then enter "Online Search".Principle: The work of the cell phone starts within a certain frequency range. The cell phone signal blocker can only block the phone signal without affecting other nearby electronic devices; save power, the power is 12W-480W.It is also called cell phone signal blocker, cell phone signal blocker, phone jammer, signal jammer, cell phone blocker, signal obstruction device, cell p... more
In many complex environments, the situation on the scene is unclear. In order to make the cell phone signal jammer play a very good effect and prevent accidents in special occasions. For the situation of the power supply system of the equipment going out to perform tasks, the cell phone signal jammer is usually equipped with a built-in battery or an external battery box. Increase the use time of the impact instrument and protect the combat personnel from the harm of the remote control time bomb. Whether the cell phone signa... more
The application of full-screen segment cell phone signal blockers cannot give up the cost of modern communication technology for the people.Among the people who use full-screen segment cell phone signal blockers, some are to prevent cheating in exams, and some are to keep the venue quiet or exchange privacy protection, which are all derived from the desire and purpose of excellence. However, there are still their own interests. For example, the owner of a telephone booth is likely to use a full-screen segment cell phone signal b... more
Nowadays, there are many areas around us that are strictly prohibiting the use of mobile phones, especially those places with information security requirements such as examination sites, corporate offices, classrooms, factories, companies, etc. In the past, in addition to putting mobile phones in the signal shielding cabinets of the security department in advance, these areas can also install mobile phone signal blockers. Cell phone signals can appear in different places, everywhere, such as Wi-Fi signals and other signals exist ever... more
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