There are many types and models of network jammers. Before buying, you must first make clear your needs. Only after you know your needs can you choose the most suitable product among so many products. Let's first briefly understand the basic points we need to know when buying a network jammer.

Basic principle of shielding instrument? Within a certain frequency range, the network jammer can transmit a relative frequency to interfere with the mobile phone signal, so that the mobile phone can not detect the normal data transmitted by the base station. In this way, the purpose of shielding the mobile phone signal is achieved.

What factors affect the network jammer? In the actual operating environment, the shielding signal transmitted by the network jammer is affected by many factors: the placement position, whether there is a shelter between the shielding instrument and the communication equipment, and the distance from the base station.

Generally speaking, the shielding instrument is divided into two types: indoor use and outdoor use. The volume of indoor type and the output power of actual output signal are smaller than that of outdoor type, and the production cost and sales price are relatively low. If the areas to be shielded are small and medium-sized indoor places with relatively simple structure, such as classrooms, meeting rooms, offices and cinemas. Then the best choice is the small and medium-sized indoor network jammer. If the area to be shielded is large and open, such as warehouse, meeting place and workshop. Then you can choose large outdoor network jammer equipment.