• 2023-01-07

As far as we know about signal jammers, we probably know that shielding machines can interfere with mobile phone signals and can be used in the examination room to prevent candidates from cheating with mobile phones. We are not clear about how shielding machines work and their types. According to th...

• 2023-01-07

Some customers found that in the actual use process, the shielding effect of the telephone jammer in the examination room is not ideal after it is turned on. If the factors of poor shielding equipment selection and performance are excluded, the installation position of the shielding equipment will b...

• 2023-01-07

"It's not surprising." Communication experts explained that 5G is a new network system introduced in recent years, which uses some new radio bands. Many old mobile jammers do not support shielding 5G signals. According to the division of 5G frequency band, the 5G of China Telecom and China Unicom ma...

• 2022-12-11

The strong mobile phone signal on the site is generally due to the close proximity of the surrounding base stations and the installation of an indoor mobile phone signal distribution system in or around the building, referred to as a mobile phone signal amplifier. According to the working principle ...

• 2022-12-11

Now many schools are busy preparing for the examination room. This is because the annual most important exam is coming. In the face of this most important examination, many schools are actively preparing to arrange what is needed in the examination room to ensure the normal order of the examination ...

• 2022-12-11

Mobile phone jammers are used to interfere with mobile phone signals and are generally used in secret related meeting rooms, standardized examination rooms, prisons and other places. What factors are related to the jamming effect of mobile phone jammers? (1) Transmitting power of jammer Jammers can ...

• 2022-12-03

Some customers found that in the actual use process, the shielding effect of the examination room network jammer is not ideal after it is turned on. If the factors of poor shielding equipment selection and performance are excluded, the installation position of the shielding equipment will become the...

• 2022-12-03

In order to deal with large illegal gatherings, sudden mass incidents, and bomb dismantlement tasks of suspicious explosives, the role of vehicle jammers is also crucial The equipment of vehicle jammer adopts ultra wideband design. All common wireless signals with frequencies ranging from 20-6000MHz...

• 2022-12-03

As the most common auxiliary equipment in the examination room, mobile jammer is a magic weapon to prevent examinees from cheating. According to the different radio signal interference frequency bands configured inside the jammer, the functions of different radio signal interference are also differe...

• 2022-11-26

Before installing the frequency jammer, it is necessary to test the shielding effect. After testing, it can be determined whether the frequency jammer meets the shielding requirements of the whole conference room, and the number of shielding devices needed in the conference room can be determined. B...