Jammer Blog

Cell phone signal jammers offer a solution to these problems and have a wide range of applications. Their portable design allows you to carry them with you. They effectively block the transmission of information and play an active role in maintaining privacy. Many people buy these jammers for personal use, especially in theaters, hospitals, and […]

GPS jammers have a variety of applications and have become very important due to the increasing importance of surveillance in our lives. Many people believe that maintaining privacy is becoming increasingly challenging and therefore prefer to use jammers or jamming technology. One of the largest markets for jammers is the United States, which is known

Using jammers can provide certain advantages in specific situations. Here are some potential advantages of using jammers: 1.Privacy protection: Jammers can help protect privacy by blocking or interfering with signals used for surveillance devices, such as hidden cameras or recording devices. They can prevent unauthorized access to sensitive information and conversations. 2.Security enhancement: Jammer can

People often ask about the best cell phone signal or cell phone jammer brands. The answer is simple: when choosing a cell phone signal jammer, it is best to go with a reputable brand. For example, JAMMERSIGNAL offers a well-respected cell phone signal jammer brand that is known for its excellent pre-sales and after-sales service.

In today’s world, many people are concerned about protecting their privacy due to advances in wireless signals and GPS technology, which brings with it the risk of having their personal information stolen. The devices we use every day, such as mobile phones, laptops, and GPS navigators, increase the vulnerability of privacy. For example, the use

5G Cell Phone Signal Jammer With the increasing popularity of mobile networks, the use of 5G cell phone jammer is becoming more and more widespread. These 5G jammers are mainly used in various occasions, such as examination rooms, conference rooms, government facilities, prison detention centers, and other similar places. The application of cell phone signal

Because of the low signal strength, GPS jammer can disrupt large areas using car batteries, frequency conversion, and metal struts. One major change is in the range of smartphone radio waves cutoff. The drone already had a range of 75 miles. With the latest update to the signal blocking technology, the drone pod can now

When a mobile phone is in use, it works within a specific frequency range, establishes a connection with a base station through radio waves, and transmits data and sound according to a specific baud rate and modulation method. The cell phone jammer scans the frequency range from the low end to the high end of

With the rapid development of the drone industry, the number of civilian drones has continued to increase because of their high speed and ease of use. However, the problem of unauthorized drone flights (also known as “black flights”) has become a serious problem because it infringes on people’s privacy, poses risks to property and disrupts

1.Understanding GPS jammers GPS jammers, also known as signal blockers, are devices that effectively prevent GPS satellite tracking by interfering with GPS signals. They are used to protect privacy and maintain information confidentiality by blocking GPS signals and preventing others from tracking your whereabouts. 2.What GPS jammers do GPS signals, like cell phone signals, can

Anti-jam refers to measures and technologies used to protect GPS signals from interference and deliberate interference. GPS signals can propagate over long distances and are susceptible to interference and higher RF energy. In civilian applications, GPS technology plays a vital role in providing precise positioning, timing, and communications. However, low-power signal jammers can suppress GPS

The widespread use of mobile phones and the surge in base stations around the world have made great contributions to the comprehensive development of various aspects of politics, economy, civil affairs, science and technology, and life in various countries. Mobile phones have become an indispensable tool in people’s daily life and work, and are an

GPS signals play a vital role in controlling unmanned aerial vehicles (UAVs). Usually, during the signal propagation process, there is a certain distance between the controller and the drone, at which time the signal strength is relatively weak. This makes it easier to use drone jammer to combat drones, which interfere with GPS signals. Many

Sometimes, when we are in a certain area, our mobile phone will suddenly lose signal, making it impossible for us to surf the Internet, send messages or make calls. This is usually because a cell phone jammer is installed at that location. But do you know how to maximize the effectiveness of a cell phone

Cell phone jammers are designed to interfere with the radio frequencies used by cell phones, effectively preventing calls from being made or received. There are two main types of cell phone jammers. The first is a compact device that blocks the signal between a cell phone tower and a single cell phone. These devices typically

The price range of cell phone jammers varies depending on the specific use, generally between $200 and $2000. For example, GPS jammers for civilian use are relatively cheap at around $400. Prices also vary based on power levels, with low-power jammers ranging from $200 to $800, medium-power jammers ranging from $800 to $2000, and high-power

There are four key aspects to consider when evaluating the cost-effectiveness of signal jammers: 1: High shielding efficiency High shielding efficiency refers to the ability of the device to shield signals without blind spots or loopholes. Some locations, such as prisons, may have communication base stations nearby and strong mobile phone signals. Achieving effective shielding

Mobile GPS jammers offer a revolutionary solution to changing the way mobile phones are used. Imagine a classroom scenario where students are engrossed in their phones, but by activating a jammer, you can regain control and restore your focus. In a quiet environment, you don’t have to put up with annoying ringing sounds. During social

In today’s world, Wi-Fi networks have become an integral part of our lives, both in public places and at home. Computers rely on Internet access, and many smartphone functions also rely on Wi-Fi. However, there are situations where you may not want to be interfered with by Wi-Fi signals. In this case, a WiFi jammer

There are wireless WIFI jammers on the market that are sold as deterrent devices. They have multiple uses and allow customers to individually select the radio waves they want to block without affecting other radio waves. These devices are designed for different types of radio waves. Given the widespread use of smartphones around the world,

The working principle of the wireless signal jammer is basically as follows: Modern mobile phones use the increased frequency to establish communication with the base station, and the base station transmits the signal to the mobile service exchange center. In standby mode, the mobile phone establishes a connection with the base station through the broadcast

As a regular reader of our blog, you may have noticed that we have been stressing that smartphones pose a significant threat to privacy. That is why we strive to shed light on the privacy and security issues associated with these portable devices. The main reason why smartphones pose such a danger is that users

Over time, communication technology has developed rapidly and has been widely used in the civilian field. Traditional HF-VHF-UHF frequencies, once considered part of the “old communication world”, have now been overshadowed by new developments. The development of communications has also affected the field of mobile phone shielding. In recent years, the use of HF frequencies

The drone market has experienced tremendous growth in recent years. Manufacturers such as DJI, XAG, and Zero Control have played a major role in the development and production of commercial drones, making drones more affordable and providing a positive experience for users. As a result, drones are becoming more widely used. However, with this growth

The backpack frequency jammer is designed to be light and flexible, suitable for emergency, transition, temporary control and other situations. In large and medium-sized examinations, frequency jammers are often used as examination room security equipment to effectively prevent candidates from cheating using mobile phones, walkie-talkies and other communication equipment. Schools, examination rooms, etc. also use

First, let’s understand what 5G WiFi is. 5G WiFi operates at a high frequency of 5000MHz and is faster. The higher the frequency, the stronger the ability to penetrate walls. 2.4G WiFi operates at a frequency of 2400MHz, which is also supported by older WiFi frequency devices. Although some mobile phones support dual-band operation at

In recent years, mobile phone signal jammers have become more and more common in our daily lives, but it is important to understand how to properly install and assemble mobile phone signal jammers to ensure their effective application. A typical cell phone jammer consists of several components, including a server, a wireless antenna, and an

The rapid advancement of technology has undoubtedly improved our lives, but it has also brought new challenges. With the widespread use of WiFi bands for accessing the Internet, protecting private data and large amounts of information has become a critical issue. The loss or theft of such data can lead to property losses and various

Choosing the right cell phone signal jammer is a challenge for many people. They may not be sure how to choose the right jammer for their needs. JAMMERSIGNAL recommends communicating with the jammer manufacturer and providing them with information about the intended application site and the coverage required. It is also important to consider whether

The working principle of a cell phone jammer is based on the concept of scanning the frequency range of the forward channel from low to high at a specific speed. During operation, this scanning speed causes destructive interference to the message signal received by the mobile phone. As a result, the mobile phone cannot detect

Portable cell phone jammers have legitimate and reasonable uses, but it is important to ensure that they are used within the law and do not cause harm to others. If you believe that you have been negatively impacted by someone using a signal jammer, it is important to assess the situation before taking any action.

A wiretap jammer is a device designed to interfere with the transmission of indoor sound picked up by a small microphone and transmitted via radio waves. These jammers are used to prevent eavesdropping, making it difficult for eavesdropping devices to capture and transmit audio. Let’s explore their uses: 1.Preventing eavesdropping: When it is necessary to

There are various situations where 5G jammers can be used for specific purposes. Let’s explore some of the scenarios where 5G signal jammers are appropriate: 1.Educational institutions: Mobile phones are often prohibited in classrooms and during important exams to maintain a focused learning environment and prevent cheating. Many universities have implemented 5G signal jammers to

Jammers, specifically GPS jammers, are devices used to interfere with or block signals from Global Positioning System (GPS) receivers. While they may be used for malicious or illegal activities, it is important to note that in many countries, the use of jammers, including GPS jammers, is generally illegal. However, for informational purposes, here are some

Mobile phones have multiple functions such as information transmission and video recording, which can easily leak sensitive information of the state and related institutions. In order to safeguard their own interests, many units have taken measures such as installing RF jammers. These measures are particularly important in places such as government, banks, and examination halls

With the increasing popularity of wireless signals, it is essential to use wireless signals reasonably. In environments where wireless signals cannot appear, the use of professional equipment becomes indispensable. WiFi radio jamming is one of these devices, which is often called invisible equipment. However, the effectiveness of these devices depends on accurately identifying the type

Parents may be concerned about their children using their phones in potentially dangerous situations. However, schools also need to set guidelines regarding phone use. Recently, the principal of a school in Philadelphia tried to explain to parents that the school would only confiscate phones from students who frequently broke the rules. Unfortunately, this explanation did

Today we are going to talk about the shielding effect of mobile phone signal blockers on 4G network signals. The theme of this issue is to give you a comprehensive understanding of signal blockers. Here are a few key points to note: 1.Mobile communication network signals: In addition to the widely popular 4G network signals,

In today’s world, cell phone signals are ubiquitous and present in all kinds of environments around us. When a cell phone is not in use, other electronic devices have little effect on it. When there is no active cell phone, there is no data communication between the cell phone and the base station, which generates

In today’s world, the use of electromagnetic waves, especially those in the communication frequency range, is regulated. This regulation was created to ensure responsible and safe use of these frequencies. Therefore, cell phone jammers are designed to operate within a specific frequency range specified by the operator. Complying with these specified frequencies is essential. It

With the popularity of mobile phones, the number of mobile phone users in my country has exceeded 900 million a few years ago. Today, the application scope of mobile phones has expanded from basic voice calls and text messages to digital cameras, video recorders, and Internet access. These smart phones have greatly promoted people’s communication,

The cell phone jammer is an advanced data security product that uses special electromagnetic signals to form an interception zone in the target area, preventing the mobile phone from receiving data information from the communication base station and establishing contact with the base station. When using the signal jammer, the following four aspects need to

It is highly inappropriate to use mobile phones in specific places such as schools, examination halls, meeting rooms, and prisons. To address this problem, cell phone signal jammers have been developed to block mobile phone signals in specific locations. By blocking Wi-Fi and GPS signals, these jammers effectively prevent individuals from accessing mobile phone signals

In the modern information age, telephones have become a necessity for family communications. Communication technology plays a vital role in all aspects of life, industry and agricultural production. However, some issues cannot be ignored, especially the security risks associated with network communications. These risks may threaten the confidentiality of information and even pose a safety

The effectiveness of signal jamming can be affected by a variety of factors. Let’s explore the key factors that determine the results of jamming: 1.The power of the jammer: The power output of a signal jammer plays an important role in determining its jamming radius. The larger the signal jammer, the larger the jamming radius.

Small drones are numerous and difficult to detect, identify and track, posing a challenge to existing defense systems. Jamming through signal jamming is a viable solution. By disrupting the radio communications between the drone operator and the drone or interfering with GPS navigation, the drone may crash or deviate from its intended course. Signal jammers

In certain important places, such as conferences where cell phones are not allowed, jammers are used to block cell phone signals. These jammers are equipped with various antennas, including directional antennas, which can precisely target the jamming signal. If you need a signal blocking device that can effectively block multiple signals, you can find and

Cell phone jammers work by transmitting radio frequencies that interfere with the signals transmitted by cell phones, effectively preventing the phone from making calls. Currently, there are two main types of cell phone jammers. The first type is a small device that blocks the signal from being transmitted from a cell phone tower to a

Many customers are concerned that GPS jammers may harm their cell phones. We would like to reiterate that these cell phone jammers do not affect the cell phones themselves. They do not block signal transmissions between the cell phone and the base station. However, it is important to ensure that the jammer is fully charged

1.Site survey Survey: Comprehensively check the internal structure layout of the prison, including relevant information such as building dimensions (length, width, floor height), corridor location, and the external environment around the prison, including the distribution and distance of nearby base stations. Measurement: Measure and record the location, signal strength, frequency distribution, etc. of nearby base

The mobile phone signal shielding system, also known as the mobile phone shielding system, adopts the B/S architecture and realizes remote centralized control and management through the TCP/IP protocol. Each mobile phone signal shielding device has an independent IP address, similar to ordinary network equipment, and can be connected to the network through a network

In recent years, the market has been flooded with a variety of signal jammers, but not all products are suitable for our needs. Some products are designed specifically for public use and may not work well in some cases. However, there is a special jammer that stands out – the 5G jammer. So, what are

According to Gladwin Samuels, Acting Warden of the prison, the use of cell phone jammers has been stopped at Camp Street Prison due to undisclosed issues, although they were installed before the July 9 fire and jailbreak. The possession of mobile phones and frequent use of social media by prisoners is a cause for concern.

It is quite common to use mobile phone signal blockers in examination halls, and it is not uncommon to encounter mobile phone signal blockers. Another common device in examination halls is the radio-controlled clock. As the name implies, the radio-controlled clock is not just an ordinary clock that displays the time, but a clock that

In the past, wireless signal jammers were commonly used in examination halls to block mobile phone use. These jammers effectively cover base station signals at close range by emitting signals similar to base stations. This prevents mobile phones from detecting actual base station signals. However, it is worth noting that even if the signal blocking

In our rapidly evolving society, high-tech electronic devices have become an integral part of our lives. However, many people experience difficulties and challenges when using smartphones. To address these issues, portable jammers can help. It is frustrating to see people constantly addicted to their smartphones, even during family gatherings where quality time should be cherished.

The issue of cheating using smartphones has raised concerns about the necessity of signal jammers. I tried to address this issue to the relevant authorities via email, but it proved very challenging. Cheating incidents seem to coincide with the start of exams, and with the rapid development of electronic communications, the means used by cheaters

Mobile phone signal jammers are common devices that interfere with data signals. They are often used in examination halls to prevent students from using mobile phones to cheat. Examination halls have also become a common place for mobile phone monitoring. Signal jammers can be installed in the examination halls of candidates, or in private places

As unauthorized drone flights become more common, the market for anti-drone solutions is booming. Despite technological advances and the growth of the drone market, the problem of unauthorized drone flights (commonly known as “black flights”) remains. In response to this problem, the anti-drone industry has developed drone jammer countermeasure systems specifically targeting this problem and

With the rapid development of intelligent technology, drones have become a common sight in our daily lives, and they are widely used in various fields, even in rural areas. However, when drones intrude into no-fly zones or unauthorized locations, their activities need to be effectively controlled. This is when drone jammers come in handy, using

At present, JAMMERSIGNAL Technology Co., Ltd. has launched a 5G mobile phone signal blocker that can effectively block 5G signals. The following are some key points of its 5G signal blocker: 1) The 5G mobile phone signal blocker developed by JAMMERSIGNAL Technology Co., Ltd. uses advanced technology to analyze the communication principle of 5G signals,

The use of cell phone jammers has raised public safety concerns. Low-powered GPS jammers can disrupt signals within a range of nine meters, while more advanced versions can block all transmissions within the size of a soccer ball. Clearly, these jammers pose a significant safety risk. But what if jamming technology could be implemented at

In order to solve the problem of students using mobile phones in class, many schools choose to install cell phone jammers in classrooms. However, this decision has sparked debates with opposing views. Some people worry that these jammers will emit radiation that may affect students’ health, while others believe that they can effectively combat the

The Global Positioning System (GPS) is a widely known global navigation positioning system that relies on a constellation of 24 satellites. It provides precise 3D position, speed, and other relevant information around the world. This all-weather, high-precision system plays a vital role in promoting modern science, technology, and economic development. It has become an integral

When customers express their need for a cell phone jammer, they are usually looking for a solution that can be used both indoors and outdoors. They want the jammer to effectively block signals at a considerable distance even in an outdoor environment. However, it is important to understand the difference between indoor and outdoor cell

There are many types of wireless antenna jammers, including omnidirectional antennas, directional antennas, sector antennas, and flat panel antennas. Each type has a specific purpose depending on the wireless communication needs and environment. Omnidirectional antennas Omnidirectional antennas are ideal when the density of wireless devices and clients is high and close to each other. These

Cell phone jammers interfere with the electromagnetic signals of mobile networks, specifically targeting downlink and uplink signals. By interfering with this range, jammers block network data transmission while allowing mobile phones to send signals to other receivers. The effectiveness of a mobile signal jammer depends on the ratio of the strength of the fill signal

If your phone is hacked or infected with a virus, it can have serious consequences. Cell phone jammers are an effective tool to protect against network viruses. We recommend checking Android users’ permissions regularly, as some apps require cell phone tracking permissions. By determining the coordinates of the nearest cell phone towers and analyzing the

But signal jammers are actually sold in 80 countries, and JAMMERSIGNAL Co., Ltd. has stable and long-term cooperative customers in 80 countries in the past 10 years. In addition, if the application of the jammer does not damage or deceive the public’s telecommunications, the signal jammer can be purchased and legally owned by individual customers

The effective range of a cell phone jammer depends on the specific output power. A high-power jammer used in an open space can have a shielding range of several hundred meters, which is suitable for use in indoor environments with low power requirements such as classrooms and conference rooms, while the typical range of a

HawkEye 360​​, a Virginia-based satellite company, is currently exploring the possibility of using its formation-flying satellites to detect and locate GPS jammers and potential interference. HawkEye 360​​ has been operating three microsatellites in a sun-synchronous polar orbit since early 2019. These satellites are able to detect radio frequency transmissions from the Earth’s surface. Working together

With the popularity of mobile phones, the demand for full-band jammers in confidential meetings, standardized tests, prisons, detention centers and other occasions is also increasing, and the market size of full-band jammers has also expanded significantly. However, many users lack sufficient understanding of full-band jammers. In order to achieve better results, they often choose jammers

On July 29, 2021, the portable frequency signal jammer produced by JAMMERSIGNAL Technology Co., Ltd. successfully passed the comprehensive inspection of the Ministry of Public Security’s Security and Police Electronic Products Quality Inspection Center and obtained an official inspection report, verifying its performance and compliance. Portable frequency jammers, also known as tow-box signal jammers or

Passive shielding refers to measures such as using wallpaper or building materials with embedded metal pieces to prevent cell phone signals from entering or leaving a room. Some buildings inadvertently block radio signals due to their thick concrete walls and steel frames. Indoor location tracking applications have a variety of uses, including improving grocery sales,

In modern society, the popularity of smart devices has undoubtedly brought us convenience, but it also brings certain risks. Many of us have heard stories about hackers breaking into computers to steal valuable information. In addition, some people may be under surveillance or investigation. While it is common for law enforcement agencies and official agencies

With the widespread use of mobile phones, constant ringing and interference has become a nuisance for many people. In search of a solution, people have begun to use cell phone jammers. These devices are designed to temporarily block cell phone signals within a specific range, blocking signal transmission between the phone and the base station.

The issue of students using mobile phones to cheat during the college entrance examination has sparked widespread discussion, with people questioning whether there are handheld metal detectors and signal jammers in the examination room, and why mobile phones can still be brought into the examination room to send text messages. The problem lies not only

A full-band jammer is a device that transmits a wireless signal of a specific frequency to interfere with or block the signal transmission of other devices. The ability of a full-band jammer to penetrate walls depends on several factors, including signal frequency, transmit power, and the material used for the wall. When customers ask whether

When considering buying a cell phone jammer, many customers want to know the shielding range of the mobile phone signal jammer. However, it must be understood that the shielding range of the signal jammer is not fixed. The mobile phone signal jammer interferes and confuses the information signal received by the mobile phone by quickly

With the rapid development of technology, electronic devices such as mobile phones have become an indispensable part of our daily lives, bringing us convenience and practicality. However, these advances have also brought some drawbacks. A common problem is the misuse of mobile phones, such as cheating in exams, which undermines the fairness of assessments. In

Each frequency band of the full-band signal jammer is debugged and aged before leaving the factory to ensure optimal performance. After receiving the full-band signal jammer, customers do not need to perform any additional debugging. Just connect the jammer to a 220V AC power supply and use a mobile phone to test the shielding distance.

Many users of wireless signal jammers often lack understanding of their working principles, resulting in improper use and unsatisfactory results. The working principle of wifi jammers is that wireless devices (such as mobile phones) and base stations communicate through radio waves within a specific frequency range. This communication allows data and sound to be transmitted

Economic and technological progress has greatly improved people’s living standards, and cars have become the main means of transportation. While cars provide convenience and mobility, they also bring some challenges, such as vehicle tracking that compromises location security and exposes individuals to potential risks. Given the practicality of cars, GPS technology has become a means

In the digital age, electronic devices such as mobile phones have become an integral part of people’s daily lives, and their wide range of uses has brought both convenience and challenges. However, in the dependence on mobile phones, many people feel inconvenienced and often turn a blind eye to the disruptive noise generated by mobile

Various venues can benefit from using cell phone jammers to solve specific problems and maintain a suitable environment: By deploying mobile jammers in these different environments, each venue can address specific issues, enhance security, and maintain the desired atmosphere for the benefit and comfort of all participants. Best Selling Signal Jammers

In today’s rapidly evolving technological environment, privacy breaches are a growing concern. Many people take protecting their personal privacy very seriously. The development of GPS technology has been remarkable, and GPS functionality is now integrated into our smartphones. However, this convenience also brings the risk of being tracked, causing great inconvenience to countless users. Fortunately,

At present, countries around the world are studying the combination of GPS and inertial navigation technology. For example, drones require precise positioning information during flight, which requires the installation of GPS receivers on drones. However, the use of drone countermeasure systems will destroy the GPS receivers on drones through electromagnetic interference, forcing drones to rely

Everyone desires success and happiness. If you are tired of interference and unnecessary GPS tracking, GPS jammers can bring you happiness and pave the way to success. GPS tracking is already common in vehicles and smartphones, and we often encounter it in schools, shopping malls, supermarkets, and government agencies. While GPS technology has its benefits,

It is undeniable that mobile phones have become an integral part of our lives, bringing us convenience and changing the way we communicate. However, excessive mobile phone use can also have negative effects, such as developing bad habits and social disconnection. People often become addicted to social media and online activities, distracting from face-to-face communication.

Basic working principle of jammers: A cell phone jammer is a device that transmits signals at the same frequency that can cause interference in the cell phone signal area. With the increase in the number of cell phone users, cell phone jammers are being used to disable cell phone signals in specific locations. When a

What are the basic requirements for using a cell phone jammer? To find out about this, you can visit JAMMERSIGNAL. Cell phone signals have become a vital part of our lives, and many people appreciate the benefits they bring. However, in some cases, the use of a cell phone signal jammer is necessary. To ensure

In daily life, individuals and companies may be monitored or recorded by mobile phones. Some people may have encountered this situation. So, how can we prevent it? Here are some methods for you. There are two main ways to monitor mobile phones: 1. WeChat call recording; 2. The recording function that comes with the mobile

If you are a regular reader, you may have heard about the topic of signal jammers, which we discuss to address pressing issues related to personal security and privacy. In this article, I want to shed light on the fragility of our privacy and how it can be compromised. These concerns are exactly why we

In recent years, drone technology has made great progress and has applications in the civilian field. However, while drones bring benefits, they also bring some challenges. To meet these challenges, drone countermeasure systems (including drone jammers) have been developed. Let’s explore the various application areas of drone jammers: Drone jammers are an important tool for

Have you ever wondered why places like gas stations and oil depots use cell phone jammers? In this informative article, we will explore the reasons for using cell phone signal jammers. In today’s world, cell phone signals are everywhere and all electronic devices are surrounded by signals. When a cell phone is not in use,

Verizon has clarified its position on the suspension and shutdown of its 3G network in response to recent media reports. According to Heidi Hemmer, Verizon’s senior vice president of network engineering, the operator is actively managing the network to remove use from 3G infrastructure and reallocate spectrum. Hemmer stressed that the withdrawal plan is still

We often receive inquiries from customers. The on-site signal is strong, but the jamming distance of the full-band signal jammer is relatively short. In this case, how to improve the jamming effect? ​​This situation is more common for signal jammer manufacturers, especially when the site is close to the base station of the mobile operator,

With the rapid advancement of science and technology, communication equipment has also evolved. Mobile phones are becoming more and more popular. Almost everyone has one. Communication methods have also evolved from fixed and limited communication methods such as landlines and telephone booths to communication anytime, anywhere and through various methods. However, these developments have also

This jammer device effectively shields all mobile phone signals (2G/3G/4G/5G), 2.4G signals (WIFI/WLAN Bluetooth) and other communication signals, and uses the built-in omnidirectional antenna to transmit specific electromagnetic signals to form an electromagnetic protection field in areas where wireless communication devices are prohibited, so that wireless devices in the area cannot identify and connect to