Jammer Blog

It has been seven years since the launch of 4G signals in 2014. With the progress of the times and the advancement of communication technology, the arrival of 5G is getting closer and closer. Many people want to know when there will be full-band jammers to block 5G signals. The answer to this question depends […]

Like mobile phones, mobile phone signal blockers emit certain radiation. However, it should be noted that mobile phone signal blockers do not need to be avoided simply because of radiation hazards. The working principle of mobile phone signal blockers is similar to that of mobile phones. They use chips similar to mobile phones to emit

To ensure the effective installation of a full-band GSM jammer, it is necessary to consider the size of the area that needs to be shielded. For example, conference rooms can be divided into small, medium, and large conference rooms. The installation and testing methods of full-band signal jammers vary according to these categories because each

The Municipal Procuratorate organized a paper-marking examination, with more than a thousand prosecutors from Zhoukou City and County Procuratorates participating. Although it was an internal examination, it was as serious as an examination. To ensure the fairness of the examination, backpack jammer devices were installed on site to prevent cheating. The examination was conducted in

Maintenance: Best Selling Signal Jammers

How do drone jammers work? Drone jammers work by emitting electromagnetic noise to disrupt the operation of a drone and block its communications with its pilot. To achieve this, jammers typically transmit radio frequencies in the 2.4 GHz or 5.8 GHz range. These frequencies are considered “unassigned” public frequencies, ensuring that drone jammers will not

If you are looking for a solution to block cell phone and WiFi in a specific area, consider the 12W 4G LTE WIFI Cell Phone Jammer with Remote Control. This powerful jammer can effectively block 4G LTE cell phone signals and WiFi signals. The 4G LTE Cell Phone Wireless Jammer with Remote Control is commonly

Our website offers a wide range of jammers, both handheld and fixed. Recently, we launched a new product: the USB-type jammer. In this article, we will focus on a portable jammer that is very convenient to carry. This type of jammer has many advantages and is highly recommended by our store manager as it is

It’s the annual college entrance examination season again. The 2020 National College Entrance Examination will be held from July 7 to 9. I wish all customers who have candidates taking the exam all the best! During the exam, each test site will activate a high-power signal shielding device, which will affect the wireless network quality

The client requested to install a cell phone signal jammer in a venue of about 1000 square meters to ensure a quiet and orderly environment during the meeting. The venue size is about 40 meters × 30 meters and the height is about 20 meters. First of all, it should be noted that the mobile

There has been a lot of discussion about the spectrum that 5G technology will use. After the official release of the first 5G-NR standard, network operators around the world are conducting trials with the goal of commercializing 5G in the next 2-3 years. Various frequency bands ranging from 600 MHz to 7 GHz have been

With the development of society, cars have become an essential tool for many families and the main means of transportation for family and friends to travel. Although cars provide convenience, it must be admitted that cars are equipped with GPS satellite locators, which play a vital role in tracking and anti-theft security. However, these GPS

In today’s modern society, electronic devices such as WiFi have become an integral part of our daily lives. Although WiFi has become widely popular and used, some people still feel uncomfortable or sensitive to electromagnetic waves. These people may feel pressure or discomfort in the head and chest when exposed to WiFi signals, even in

A cell phone jammer, also known as a cell phone blocker or signal jammer, is a device designed to disrupt or block wireless cell phone signals in its vicinity. When activated, a cell phone jammer emits a specific electromagnetic interference signal that cancels out or interferes with the transmission of cell phone signals, causing the

Blocking cell phone signals is often a better option in various public places such as classrooms, libraries, and other places that require a quiet environment for activities such as reading, listening to music, or concentrating. If you are looking for an affordable and powerful GPS jammer, it is important to consider factors such as price

Currently, many schools are preparing for the upcoming college entrance examination, and they are working tirelessly to ensure that the examination room is equipped with the necessary materials and equipment. Their goal is to create a stable and orderly environment for candidates, which is a responsibility that schools take very seriously. Therefore, we can see

How do portable GSM jammers improve road safety? Whether you are driving or crossing the road (including using pedestrian crossings), texting on the move poses a significant risk to your safety and that of others around you. For example, when you are texting while crossing the road, you ignore traffic signals and approaching vehicles. As

This is an important question to consider today. You may be wondering why you should be concerned about this issue. In response, I would like to emphasize that although it may not seem like a significant issue at first glance, the topic I am discussing has recently received increased attention. Therefore, I invite you to

Various devices that can interfere with and block radio waves have emerged, including Wi-Fi, Bluetooth, and GPS. While the issue of cell phone etiquette still exists, in this case, cell phone jammers are used. These devices are equipped with antennas for specific frequency bands, effectively rendering smartphones unusable when switched on. They can also counteract

In the past three decades, with the advancement of science and technology, the way of communication has also undergone tremendous changes. From the most basic shouting to the current 5G era, people have a variety of ways to communicate. However, while it is convenient, it also brings new challenges. Examination rooms, prisons, confidentiality and other

In today’s interconnected world, people’s desire for personal privacy and quiet space is becoming more and more important. Cell phone signal jammers are powerful devices that can help individuals achieve tranquility in specific situations and isolate themselves from outside interference. What is a cell phone signal jammer: This section introduces the basic concepts and principles

When customers consult about mobile phone signal blockers, they often mention a common problem, that is, they have tried or purchased 5G signal blockers of other brands, but in actual use, they find that the shielding distance of these so-called 5G signal blockers is significantly shorter, and sometimes they cannot even block certain 5G frequency

In recent years, there have been significant advances in unmanned aerial vehicles, commonly known as drones. These aircraft can be operated without the need for an onboard crew. Drones are capable of autonomous flight, without the need for constant remote control. Although the concept of using drones as strategic machines has not yet been fully

When it comes to defense technology, we have two types: ordinary jamming and advanced jamming . But how do we distinguish between these two strategies? Let’s explore this topic with the help of JAMMERSIGNAL. Ordinary jamming relies on basic technical solutions and employs a series of low-power or high-power jammer devices to counteract signals based

Nowadays, signal jammer technology is very mature, and the application of small radio signal jammers is becoming more and more common. These devices can effectively meet your needs and play a vital role in various scenarios. It is no longer a rare thing to encounter small jammers in our daily life. Compared with professional jammers

Cell phone jammers are strategically installed in locations that are considered conducive to disrupting communications. These smart jammers emit jamming signals in the same frequency band and signal format as satellite positioning systems, effectively blocking radio waves. Some devices are designed to operate in convenient frequency bands, providing reliable performance. While the impact of these

There are generally two ways to shield mobile phone signals: At present, the mobile phone signal blocker on the market uses the method of signal interference. Although the principle is simple, it is illegal to use this frequency band privately and cannot generate commercial value. However, schools have begun to use signal blockers to prevent

There are two main ways to dissipate heat for high-power mobile phone signal jammers: 1.Natural heat dissipation: High-power cell phone jammers that use natural heat dissipation generally use a fully sealed heat dissipation shell. The main body of the device is the shell, which acts as a heat sink. All components such as switching power

The introduction of cell phone jammers has had a certain effect on reducing mobile phone noise pollution, but users of these signal blocking devices often worry about whether the electromagnetic radiation they produce will cause harm to human health. This concern stems from the autonomous and random nature of the installation and use of mobile

Wireless signal jammers, commonly known as WiFi jammers, are widely used in college entrance exams. Such devices can be seen in the examination rooms of major educational institutions. Why are more and more schools choosing to install such devices? In recent years, the phenomenon of cheating has become increasingly rampant, driving the demand for such

Wondering how signal jammers work? A signal jammer is a device that interferes with phone signals within its range. They are available at affordable prices. These devices work by interrupting the frequency at which the signal is transmitted. They are often used in places like prisons and work by interfering with radio waves in different

Wireless signal jammers have become an indispensable tool in various examination halls and meetings such as the junior high school entrance examination, postgraduate entrance examination, CET-4 and CET-6, civil service examinations, and professional examinations. They are used to shield wireless signals, prevent cheaters from using electronic devices, and ensure the fairness and integrity of the