Professional Technology Blog At Perfectjammer

We all know that almost all cell phones have GPS location and navigation features that make it easy for people to go out and make it easier for traders to get our location information, so we can recommend entertainment for some traders when we need them. When we leave the phone, our trip becomes very […]

In 2009, Concord launched the world’s first simple and practical intelligent vehicle networking hardware GT02, which has become the leading company in the industry and popularizes the use of end devices for vehicle networking in the industry. Many people will wonder: what good is the GPS location of the car? In fact, the different models […]

Everyone who has played CODOL knows that in this type of game, choosing and tuning the tactical equipment is very important for the personal experience of the game. Some understated props can save your life even in critical moments. For example, an electronic jammer, cell phone blocker can not only disrupt the enemy’s radar, but […]

The cell phone jammer targets only the uplink and downlink channels of the cellphone system. It uses frequency doubling, frequency division, frequency hopping filtering and other technologies to analyze the frequency that needs to be shielded. If the signal interference transmitter is in the working state, a spherical shielding space is generated in accordance with its performance. […]

There are all kinds of mobile spy devices everywhere in our lives, and more and more mobile spy devices are staring at us, so we need a radio signal jammer device for cell phones. In some cases, such electronic spy devices endanger us. Among them, the most dangerous device is a cordless phone. They are installed in […]

As we all know, WiFi and Bluetooth are very important to us. It is a radio technology that is mainly used for data exchange between fixed and mobile devices at a short distance. WiFi networks usually use the 2.4G frequency band. This brings us convenience, it helps us to send and receive data and documents […]

For good reason there are more and more users of signal jammer in schools. Many teachers found that the vast majority of students texted in the classroom and even played games throughout the class. Some students even spoke openly about cell phones. Teachers are trying to prevent students from using cell phones in the classroom and want […]

In recent years, the constant development of advanced technologies, especially the constant exchange and updating of mobile phones, has fundamentally changed our communication methods and our daily life. Mobile phones are currently widespread and the frequency bands used by mobile phones mainly include GSM, CDMA, DCS and PCS. With the rapid development of 3G 4G […]

With the rapid spread of mobile phones, many inconveniences have been spread to others. Some viewers don’t follow the etiquette, and a cell phone’s ringtone can distract them from watching movies, which is a problem. There is a lot of discussion about how the problem of mobile phones can be solved. GSM jammers have entered […]

With different signal jammer transmitters, the jamming range described in the manufacturer’s specifications may differ from the actual working area. The interference range is influenced by factors such as transmission frequency, working environment and battery life. There are various types of cellular phone signal blocking devices on the market. If you want to shield signals over a […]