• May , 30 2022

Themanpack jammer is small in size, hand-held design, and can be mastered by one hand. Its size is equivalent to that of common walkie talkies. manpack jammer are easy to carry, can be directly put into clothes pockets or satchels, and can be hung or worn on arms and belts; Moreover, the jammer has high power and can effectively shield all commonly used mobile phone signals within a radius of 5-20...

• May , 30 2022

In order to shield the remote detonating signal of the carrier type radio jammer in different places. At the same time, to solve the power supply problem of outdoor task equipment, the trailer type will be equipped with a built-in battery or an external battery box. Whether the built-in battery or the external battery box is idle, it is necessary to maintain the internal battery。   No matter ...

• May , 30 2022

With the rapid development of modern communication technology, the use of mobile phones has become popular. In recent years, mobile communication not only brings convenience to people, but also poses new challenges to information security. Some major accidents such as using mobile phones to steal various information, cheating in examinations and interfering with social public order occur from time...

• May , 27 2022

        The standardized test room smart jammer generally selects the test room dedicated smart jammer of watts, and the shielding frequency band configuration is also different. The commonly used 5g signal shield is generally the basic version, and the shielded frequency bands: 2G, 3G, 4G, 5g, 2.4gwifi and other frequency bands are usually built-in with 8-1...

• May , 26 2022

Antenna is a metal device for transmitting and receiving radio waves. No matter what type of Signal Jammer equipment, it will be equipped with antenna to interfere with the signal of the base station. The antennas installed in common low-power signal jammers are generally built-in omnidirectional antennas with soft edges, and only a few are built-in directional antennas.       ...

• May , 26 2022

High power cell phone shield is easy to generate heat during long-term use.. If it is not dissipated in time, it is easy to reduce the shielding effect and safety problems of mobile phone. Then many problems of redesigning the shielded radiator of cell phone shield need to be taken into account. Among the conventional metal materials, aluminum is the first choice for heat dissipation bec...

• May , 19 2022

1. The number of modules of on-board smart jammer can be changed, and some frequency bands with strong signals can be subdivided into several segments. In this way, narrow bands can be used to suppress specifically, so as to improve the shielding effect of on-board high-power jammer; Due to the limitation of appearance size and weight, the number of modules selected for small power jammer is the m...

• May , 19 2022

In the electronic sealing control and public security emergency disposal of large venues, the public security police, special police or armed police and other departments need to deal with criminals before using the network jammer. The equipment is to effectively shield the function of industrial wireless remote control devices and wireless mobile communication devices, so that they lose the abili...

• May , 19 2022

In order to ensure the fairness and justice of the examination and protect the vital interests of the majority of candidates, cell phone shield is used in the college entrance examination room. Like other important examinations, the use of mobile phone shielding in the examination room has also attracted much attention. The misunderstanding in use must be paid attention to.   (1) In different...