Professional Technology Blog At Perfectjammer

How many test signal jammers should be installed in a classroom? Every year when the college entrance examination is approaching, before this important day, the staff in charge of the college entrance examination room are actively preparing for the various materials needed in the examination room. There is also a mechanical device called a wireless […]

The popularity of smartphones continues to increase, and the range of applications continues to expand. Without it, we go from living consumption to employment. However, in some special occasions, the function of the mobile phone should be limited, but there are still people who do not follow the rules and use the mobile phone recklessly. […]

The wireless signal jammer in the examination room has become a necessary special tool for the examination room, which guarantees a fair and reasonable service for the examination room. However, if we do not use the equipment properly, the actual effect will be poor, and there will be a safety accident in the examination room. […]

5G signal jammers have many different names, signal jammers, mobile phone jammers, signal jammer, data signal influencers, data signal blockers, isolators on mobile phones, disconnectors on mobile phones, mobile communication technology signals Jammer, data signal shielding device, mobile phone shielding device, data signal shielding device, mobile phone blocking device, data signal blocking device, mobile phone signal […]

In recent years, various types of mobile phone signal jammers have emerged in an endless stream, dazzling us, but in fact, not all products are suitable for our use, and some products are also public, so the differences are counterproductive and we apply to other types of mobile phones. Among the signal jammer, there is a […]

With the popularity of mobile phones, the demand for mobile phone signal jammers in various conferences, exams, etc. has also greatly increased, so mobile phone signal jammers naturally have a broad market. However, most users do not know enough about mobile cell phone jammer, and often choose high-power shielding unilaterally in order to achieve good results, […]

In some exam rooms, cell phone jammer are often used, but do you know the key points when using cell phone signal jammers? Let’s learn together: 1. It should be noted that the mobile phone signal jammer should not be placed directly in a place that is too hot, such as a place close to a heater […]

As a new technology electronic device, smart phone is very fashionable in today’s society. It is a key concept of social development, so why can it be applied to mobile phones? Key vocational qualification exams across the country will use high-power WiFi signal jammers. Undoubtedly, mobile phones have already undergone earth-shaking changes in our daily […]

The WiFi signal jammer will generate heat when it is working, so it is necessary to install cooling fans and cooling fins to ensure that the machine will not burn out when it is working. But not every wireless signal jammer will make a particularly loud noise when turned on, because the fans used are […]

Do you love shopping online and point out that it is very convenient and easy to get what you need from an online store? When asked about that phenomenon, the answer to most people is no question, and in this In the field of technology, more and more people like to shop online, such as […]

Law enforcement officials say GPS jammers can jam GPS signals for periods of time they choose, making it impossible for law enforcement to get useful information when monitoring and retrieving a vehicle’s GPS track. Because the driver Han violated the relevant provisions of the “Chongqing Taxi Passenger Transport Management Measures”, he will face a fine […]

Yesterday, the reporter came to Yizhixin Auto Service Company, located at No. 80, Lane 820, Jindu Road, and found that the company’s logo had been removed and the door was closed. However, through the small door that was occasionally opened next to it, you could see that there were still staff inside. Two more cars […]

Afterwards, the reporter found a counter in SEG Digital Plaza and sold this “cell phone signal jammer” very grandly. Prices range from $100 to $500 depending on the shielding range. According to the little girl guarding the counter, they have set up the counter here for more than a month, and the business is not […]

As we all know, every cell phone signal jammer device has a different interception range. In general, the higher the power, the longer the interference radius. The higher the power, the larger the size of the cell phone signal jammer and the more cooling system required. This is why desktop jammers generally have a wider jamming range […]

Today, all kinds of electronic devices are emerging, some of which can even be camouflaged to evade detection. Cheating candidates enter the test room to output test questions to the outside world, and then people outside the test room help answer the questions, so as to achieve the purpose of cheating, and the basis of […]

There are many employees working in the company who don’t want to be bullied, especially some college students in the workplace. Whenever they see that the company rules are unreasonable or the company boss is unreliable, they will choose to resign. I also recommend that everyone find in the company. For the following three predicaments […]

In order to improve users’ perception and satisfaction, the mobile company has taken various measures to solve the problem of radio interference: First, establish a fast complaint channel and set up a special complaint hotline to ensure that the problems reported by users are reported in a timely manner. The user solves it as soon […]

This year’s general college entrance examination, centering on the overall requirements of the provincial party committee and government of “safety, quality and fairness”, established “safe college entrance examination, sunshine college entrance examination, warm college entrance examination” to ensure the safety of the test and pay close attention to the test discipline. fair and just. To […]

An associate professor at Southeast University’s School of Cyberspace Security explained that using a mobile phone to start a fire at a gas station requires two conditions. One is that the concentration of the oil and gas mixture on site must reach a certain proportion, and the other is that the power of the electromagnetic […]

Contemporary communication technology adopts excellent anti-jamming technology, such as frequency hopping, immediate code sequence spread spectrum communication (DSSS) and other technologies. However, the key to suppressing the effects of frequency hopping and spread spectrum communication is high frequency filtering, but it is because of high frequencies. Amplifiers and mixers are discrete system components that, when […]

Remember, the iPhone must be jailbroken because the Apple Store completely bans all Wi-Fi spoofing apps. However, you need to be aware that jailbreaking reduces the security of your smartphone. The Cydia repository provides all the applications needed to hack wireless networks. Everything works perfectly on iOS 4 and above. This experiment first uses “libcap”. […]

Junk mobile jammers are lightweight and very small, and most manufacturers are committed to developing portable cell phone signal jammer that are easy to use in the public domain. The operation of the device is very simple – just switch on the host side! Receives all GPS signals, including GPS L1, L2, L3, L4, L5 bands, such […]

In addition to officially approving the new IMT subject of 6GHz spectrum, WRC-19 also officially divided 26GHz, 40GHz, 47Hz and 66Hz into IMT spectrum, which will greatly promote the coordinated development of 5G network high, medium and low frequency bands and accelerate the construction of 5G network. 5G global commercial deployment. In addition, WRC-19 confirmed […]

There are many reasons why people choose portable cell phone signal jammer. For example, employers can block employees’ cell phone signals so they don’t get in the way or get in the way of work during important meetings. Cell phone jammers can also block your phone from sending outgoing messages. Humans can use cell phone jammers […]

We are well aware that there are many effective and most important professional VCRSs on the market. But as long as we are in such a vulnerable situation, there will be digital credit cards in the form of digital recorders, which we will continue to investigate and recommend to the best surveillance agencies in Italy […]

As long as you search the Internet with the keyword “cell phone jammer”, you will know that there are a large number of such cell phone signal jammer on the Internet, and with the widespread use of 4G cell phone signals, learn more details and learn how to get 4G cell phone jammers A reliable location is […]

At the same time, the surrounding environment of the community should also be marked, especially office areas, residential buildings or social development factories and enterprises within a few hundred meters of the courtyard wall; key points should be designated as shielded areas, and non-critical points should be designated as shielded areas . Areas and areas […]

Some students said that the school’s approach is not very humane. If a student is suddenly in a hurry, it will be inconvenient to not have a cell phone. I don’t get it: the internet is the fastest and easiest way to get first-hand information. It is useless to block cell phone signals in order […]

5G commercialization will be realized in 2020, so will there be 5G signals everywhere? Users will replace their phones with 5G phones. In fact, this is not the case. Network coverage requires a long development cycle. 4G is from market to basic coverage. It’s been 3 years. So far, there are still some remote areas […]

Shields radio wave signals from mobile phones, compatible with 3G, 4G, CDMA, GSM, DCS, PHS, WIFI and GPS. It is compatible with mobile phones of all frequencies currently used in Japan. In this way, the trouble of using the mobile phone can be completely solved. Models that are already hard to stop are likely to […]