Professional Technology Blog At Perfectjammer

Some individuals or companies that sell wireless cell phone jammer instruments use second-hand chips, machines with poor capacitors, and identical-looking eight-channel cell phone jammer on the market. The chip inside is 5 channels, and then the materials used are different. The chip is the heart of a cell phone jammer. The quality of the cell phone jammer […]

The outside world is cut off, covering all mobile communication equipment and masks. Effectively shield GSM/CDMA/DCS/WCDMA/LTE/WIFI) frequency bands. Built-in aluminum alloy radiator, the equipment has good short-term stability. Adopt foreign advanced technology and chips, soft start circuit design, high integration. Overfrequency cell phone jammer Only downlink jamming does not interfere with the base station. It is better […]

Is the phone ringing around you? Or when you’re watching a new Hollywood movie and someone picks up the phone and talks loudly? At gas stations, there’s a “No Cell Phones” sign, but some people don’t care about your safety when they’re on the phone. To solve all these problems, all we need is a cell […]

For some portable jammers, if the battery dies quickly, when you use a portable cell phone jammer, you won’t be able to remove it if the battery is damaged. Of course, you can use it in fixed places like home, office and some portable signal jammers, if the battery is dead, it will become useless […]

What surprises you is that this high-power 4G mobile phone signal jammer also has a wide range of applications, as well as examination rooms, conference rooms, bank halls, hospital waiting rooms, private rooms and other places that require quiet conditions. cell phone jammer can also be installed and widely used in security restricted areas, casinos, theaters, churches, […]

Many people have long felt that the mobile data signal at home is particularly poor. They can’t make phone calls at home or use mobile internet to connect to the internet. This doesn’t happen inadvertently at a certain time or at a certain time. The situation is the same across the region. It is seriously […]

This feature of the portable cell phone jammer makes it easy to use without any limitations. In addition, the portable cell phone jammer is easy to carry and easy to carry. Therefore, it is ideal for individuals. Portable influencers come in different models and sizes. Plus, there are 5G jammers that block all cell phone signals from […]

Cell phone jammers, although called jammers, don’t actually block data signals, but look like a data cell phone jammer. Generally speaking, the communication between a mobile phone and a smart phone is based on a communication base station, that is, a mobile phone-communication base station-mobile phone. The mobile phone signal jammer will affect the communication between […]

Long-term stable operation guarantee. Therefore, the high temperature casing will not damage the machine. This should be taken into account when using portable cell phone jammer for cell phones to affect shielding and avoid dead spots. For all these reasons, this can be a useful cell phone signal jammer. Here’s a simple link to “Small Device Writers […]

Everything is on the market because people need them and they help people in some way. Therefore, under this development trend, 4G 2110MHz-2185MHz mobile phone jammers also came into being. It helps a lot of people. Now more and more people are using 4G cell phone signal jammers. And wondering why more and more people […]

Almost all students in schools now have their own mobile phones. To make matters worse, cell phones have become a “weapon” for many students against their teachers. During the meeting, most students use mobile phones to surf the Internet. Many students tend to listen to music or play video games in class; it often happens […]

The school installed 4G jammers in the dormitory. This is an act of internal management and is a good thing. He said that now most of the time using smartphones, many students spend the night in bed, and the spirit of class the next day is very lacking, which will affect their learning. After installing […]

4G mobile phone jammers are in demand from business organizations to schools, hospitals, banks, and even law enforcement agencies, and the demand grows as more needs to be done. A company in the US is said to have invented a device that interferes with the camera’s function. Many detainees continue to organize illegal drug trafficking […]

Before buying, you need to know which data signals you need to block. Commonly used mobile signals (234G) can be selectively blocked. If you only block 2, 3G or only block 3, 4G, you can change it before shipping. However, DXN’s cell phone jammer are shielded with full frequency bands. If customers need to shield a certain […]

With the improvement of our living conditions, college students commonly use mobile phones or other electronic products. This situation creates many problems for school management. Students stay up late, texting on their phones, surfing the web, etc. During the day, the class yawns and the students bend over to sleep. Cell phone use in the […]

All phones are used at school 99% of the time, only for texting friends in another classroom, taking pictures, surfing the web, and “killing time” via social media at teacher meetings. I’m not saying mobile jammers should be legal everywhere, I’m just encouraging students to focus on teaching during school hours. Once the school is […]

Sometimes cell phone jammers are essential, but sometimes they can be superfluous. Sometimes GPS can help people. Sometimes GPS is really bad, for example, it’s used for tracking. So there are two sides to the matter. Today’s social and economic development is getting faster and faster, and the progress of science and technology is obvious […]

With the rapid development of this operating industry, mobile phone GPS is becoming more and more accurate, and dual-frequency GPS is also commonly used in mobile phones. To be on the safe side, cell phone jammer can be used to stop certain people from getting their location. People who don’t understand the industry are likely to be […]

Some people are looking for a portable cell phone jammer that can be easily removed when needed. Someone is looking for a signal jammer with a shielding distance of several meters, which is suitable for many fixed places such as classrooms, homes, offices, etc. Cell phone jammers should be AC ​​powered. But are there high-powered cell phone […]

Because of this, this high-power mobile cell phone jammer has such a powerful ability, so it can be used in prisons, because we all know that the conditions of prisons are very important, and we cannot use mobile phones and other tools to send information. However, only people are used to check And making sure no one […]

The size of the portable cell phone jammer is relatively small, the corresponding weight is also much lighter, and it is more convenient to use in mobile mode. The reduced size also makes it easier for users to place the cell phone signal jammer in a more discreet place when in use, making it easier for others […]

The power of portable cell phone jammer is relatively small, and the coverage area is relatively small. Desktop mobile phone signal jammers have higher power, larger coverage, and a wider range of signal frequency bands that can be shielded. But you should also look at the specific settings when buying, because some pocket jammers are very powerful, […]

Among the people who use cell phone jammer, some are to prevent cheating in exams, and some are for the quietness of meetings or the confidentiality of meeting information. These are for good wishes and purposes. But there are also for their own personal gain. For example, the owner of a public phone may use a […]

The users of cell phone jammer do not take into account the communication needs of outsiders at all, and the target is wrong. Cell phone communication should be restricted to a small group of people, such as test-takers, but expanded to include other ordinary people in the surrounding area. Secondly, the use method is improper, because the […]

When the mobile phone signal jammer is working, if the transmission power is too large due to improper settings, in small confined spaces such as conference rooms and classrooms, electromagnetic waves will be superimposed in the narrow space and pass through the walls. originally separated from the outside world. Multiple reflections from the ceiling and […]

For most antennas, installation requires fixing the antenna to a pole about 4m long. Antenna elevation, the angle between the antenna and the pole, can be adjusted between 0° and 5°. Adjustments can be made during installation to improve the state of the ground signal to a certain extent. Some people think that the coverage […]

Do you think you will protect yourself if you find any tracking devices around? This is indeed necessary. Search the internet and find a device called a wifi jammer. You will see the cell phone signal used to track the device. Jammers help avoid tracking. Our website will obviously make the best choice for you. For […]

What you should also understand is that wifi jammer provide all kinds of security data for such meetings. Received information can be sent over the phone. vulnerable. It is necessary to ban the use of mobile phones. Small jammers with various properties. We have a large selection of proven GPS radio circuit breakers. Military aircraft, prisons and […]

Japan relaxed cell phone jammer more than two years ago, requiring and allowing licenses to be used in theaters and other public places. You can prevent cellular frequencies from entering certain areas, while more expensive models interfere with larger areas. The company sells briefcase-sized devices that can cover a radius of around 150 meters, while basement-sized devices […]

A minute later, the reporter found that the mobile phone signal was indeed zero, and the screen displayed no service when making a call. “How much area can this machine cover?” “It should be bigger than this room.” “What if I want to shield a dozen rooms on one floor?” “Also, our maximum radius is […]

The requirements for many signal jamming devices are now very strict, and of course everyone needs to get a device that can meet their requirements at a good price, while also designing high technology and powerful jamming functions. You will have access to quality signal jamming equipment. After the extensive use of different types of […]

At present, schools are starting school one after another, and students do not focus on listening to lectures in class, playing with mobile phones or cheating in the examination room has formed a severe trend, so the series of educational examination room products are particularly important. The series of educational examination room products are designed […]

First, we need to know what 5G WiFi is. High 5G VIFI frequency The lower the frequency, the better the penetration through the wall; the higher the frequency, the faster the speed. 5G WiFi works on a high frequency of 5000MHZ and supports fewer terminals; 2.4G WiFi works on a frequency of 2400MHZ, which is […]

First, we need to know what 5G WiFi is. High 5G VIFI frequency The lower the frequency, the better the penetration through the wall; the higher the frequency, the faster the speed. 5G WiFi works on a high frequency of 5000MHZ and supports fewer terminals; 2.4G WiFi works on a frequency of 2400MHZ, which is […]

There are several types of mobile communication network signals we use every day. In addition to the 4G network signals that have been popularized at present, there are also 3G network signals that were popular in the past few years, and 2G network signals used by some elderly phones. Although the 5G network signal has […]

The biggest function of the mobile cell phone jammer is to accept the sensitivity test, mobile phone test, etc. The mobile phone signal shielding box and the shielding box have a lot in common, and they are also shielded in various shapes such as shells, plates, and sleeves made of conductive or magnetically conductive materials. It is […]

In order to be serious about the conduct of meetings and disciplines, the bureau installed and enabled mobile cell phone jammer in conference rooms of all sizes, allowing participants to devote more energy to the meeting; at the same time, it made practical moves and punches, paid close attention to the construction of style, and innovated warning […]

The emergence of mobile phones has greatly facilitated people’s lives, promoted the completion of work and study, and brought in the connection between people. But sometimes over-reliance on mobile phones will only make mobile phones a hindrance, a negative reaction. Especially for students, especially in the tense study period, if they rely too much on […]

The working principle of mobile communication is that within a certain frequency range, wireless devices (mobile phones, etc.) and base stations communicate through radio waves to complete data and sound transmission with a certain baud rate and modulation method. When the mobile phone communicates, it contacts the base station through the uplink frequency, and then […]