• 2022-10-30

Although the time of this year's college entrance examination has been postponed due to the epidemic, the corresponding protective measures have not been reduced at all to ensure the safety of examination information. During the examination, the relevant departments will turn on the frequency jammer...

• 2022-10-30

With the rapid development of science and technology, some interference devices have also emerged, which are mainly used to prevent computers, network servers and communication electronic devices from leaking important information during operation, and to prevent cheating in school examination rooms...

• 2022-10-30

Communication equipment is also constantly updated. The rapid development of communication technology makes mobile phones more and more popular. Up to now, it can be said that there is only one person, and the communication mode has changed from the fixed and rigid location of landlines and telephon...

• 2022-10-23

Today's mobile phone jammers, based on the analysis of the principle of signal communication, integrate a variety of methods to interfere with wireless signals to interfere with signals. At present, the mobile phone jammer scans the channel from the low end frequency to the high end frequency at a c...

• 2022-10-23

Some jamming devices also follow the technology. With the emergence of 5G signals, the current frequency jammers add new frequency bands that can interfere with 5G signals. At present, they can completely interfere with the frequency bands of normal mobile phone communication, ensuring stable interf...

• 2022-10-23

Some people want to use some means to practice favoritism and malpractice in the examination room, and even bring their mobile phones to the examination room at all costs. With the current interference technology, some instruments that interfere with signals have become reliable equipment in the exa...

• 2022-10-16

The school uses the phone jammer to prevent students from cheating in the exam. The installation of the jammer reduces the burden of the teacher's invigilation and, to a certain extent, reduces the waste of human resources. In the classroom, some students secretly use their mobile phones to read nov...

• 2022-10-16

Mobile phone has become one of the necessary tools in our travel, on the contrary, the demand for mobile phone signal jamming equipment has gradually become more and more. When we use a mobile phone to make a call, we use the uplink frequency to contact the base station, and then the signal of the b...

• 2022-10-16

In our daily life, mobile phones bring us a lot of convenience, but it seems very unreasonable to carry mobile phones in some places, which also brings us a lot of trouble, and professional products such as interference signals are derived with the development. The school will certainly not allow st...

• 2022-10-09

Nowadays, frequency jammer has been widely used in school examination room, prison detention center, company meeting room and other occasions, especially in school examination room. How to select these signal shielding devices? What problems should education departments pay attention to when purchas...