• 2024-10-26

Some classrooms in schools are equipped with a box similar in size to a speaker, which is called a mobile jammer. Why install a mobile jammer in the classroom? The answer is obvious: mobile interference can block phone signals and prevent phone use. Schools have implemented some school rules prohibi...

• 2024-10-19

When customers are using wireless jammers, they sometimes find that in some larger rooms, only one jammer is not enough to fully cover the shielded signal. In this case, at least one more jammer needs to be added. Therefore, the customer asks: Can the effect be doubled by turning on two wireless jam...

• 2024-10-19

In some special occasions, the use of mobile phones is restricted, and the most common way is to install signal jammers on site to block mobile phone signals. However, there are always some people who want to figure out how to crack it and make their phones work properly. So, are the cracking method...

• 2024-10-12

When choosing and using signal jammers, people often encounter a slight gap between the shielding distance and their expectations. They always think of using a larger shielding distance, or using a single device to shield the entire building or factory area, and so on. From the perspective of the us...

• 2024-10-12

When using a mobile phone jammer, the most basic requirement for the usage environment is to have a stable power supply, commonly AC 220V mains power. For different usage environments, different types of mobile phone jammers can be selected. For outdoor use, it is recommended to use a waterproof and...

• 2024-09-29

Most of the common smart jammers on the market do not have power regulation functions, such as those used for signal shielding in exam rooms or conference venues. However, there is still a group of customers who hope that smart jammers have power regulation functions. The purpose of doing this is to...

• 2024-09-29

Often, when people call us to express their needs, they immediately state their purchasing intention: they need to purchase a high-power portable jammer and rely on this shielding device to solve the signal shielding of all rooms in the entire building. We also need to inform where this shielding de...

• 2024-09-21

The difference in the shielding effect of signal jammers on mobile phone signals from different operators is due to the differences in the transmission power of signals in different frequency bands of the base stations of China Mobile, China Unicom, and telecommunications operators, the number of ch...

• 2024-09-21

There are various types and styles of mobile jammers available today. Some customers have certain requirements for the device's power on and off functions after selecting and installing shielding devices. They are not satisfied with using conventional hardware switches to turn on and off the device....

• 2024-09-14

The difference in the shielding effect of mobile phone jammers on mobile phone signals from different operators is due to the differences in the transmission power of signals in different frequency bands of the base stations of China Mobile, China Unicom, and telecommunications operators, the number...