• Aug , 16 2022

First of all, the smart jammer itself emits a radio frequency signal specially for Intelligent jammer. It will attenuate when it meets obstacles in the transmission path, and the error degree of different obstacles is different. For example, the steel concrete wall or brick concrete wall facing the whole face, the reinforced concrete wall and the brick concrete wall with two consecutive faces can ...

• Aug , 16 2022

1. Status of mobile phone jammer during operation,It can block the radio frequency of a specific area, causing signal blocking, thus blocking all communications. Just like radio muting, users cannot send or receive calls or text as long as it is within the interference range. 2. What is the mobile phone jammer? It is a device that blocks the communication between the mobile phone signal and the ba...

• Aug , 16 2022

  Generally, the examination room type radio jammer is usually determined by power, frequency range, material, accessories and appearance. Radio jammer with different functions are definitely different. For example, our company's 818b5 examination room mobile phone signal shield is divided into a stand-alone version and a network version. The network version can switch and adjust the power of...

• Aug , 10 2022

The prison is a place with strict control and high confidentiality. There are some important criminals in custody. It is prohibited to use mobile phones and other electronic devices to contact the outside world. It is reasonable to strictly control mobile phones. To prevent the creation of prison security, prisons use wireless jammers to prevent such situations. So as not to cause public order and...

• Aug , 10 2022

The Signal Jammer adopts special high-tech technology research and development, which can disable the mobile phone within a certain range and automatically form the interference range. It can be widely used in flammable and explosive places, quiet places, places to prevent microwave interference, important confidential places, operating places and other places to prohibit the use of mobile phones....

• Aug , 10 2022

The interference range of mobile jammers varies according to the power of products. The interference radius of high-power mobile jammer used in prisons can reach hundreds of meters, while the radius of small-power mobile jammers suitable for examination rooms and conference rooms is generally 1-10 meters, depending on the strength of nearby signal base stations.  High power (several hundred w...

• Aug , 05 2022

Nowadays, the world has entered the information age of rapid development. With the rapid development of communication, especially mobile communication, mobile phone has become an indispensable communication device in people's daily life. People are enjoying the convenience of life brought by communication and are also adversely affected. In university classrooms, libraries, conference rooms and ot...

• Aug , 05 2022

1、Power: the power emitted by the cell phone jammer, antenna radiation (antenna gain, specificity, etc.), others 2、The interference effect of mobile phone jammer is different between indoor and outdoor space The generation, attenuation coefficient and reflection surface of indoor mobile phone signal and interference data signal are complex. The effect of the same mobile phone is different. General...

• Aug , 04 2022

In recent years, mobile phone shielding has been used in various national examinations. When the mobile phone is shielded, what is the problem with the display of the mobile phone signal? 1. The mobile phone displays a signal. When the mobile phone makes a call, the mobile phone can be used normally, and the call quality is relatively high, which is not affected. This situation shows that the shie...