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 8-10 channels of antennas. On this basis, we can choose 5g shields that shield more frequency bands. For example, the professional 5g shield can shield wireless signals in frequency bands: 2G, 3G, 4G, 5g, 2.4gwifi, 5.8geifi, walkie talkie frequency band and other wireless signals, with built-in 10-12 channel antennas. Of course, the more frequency bands are configured for shielding, the higher the price and the better the shielding effect. How to select the frequency band also depends on which frequency bands and the budget of the project to be shielded according to the on-site environment. With the development of modern mobile communication network, 5g signal shield has been paid more and more attention, especially in some large conferences, companies, schools, college entrance examination halls and other places. In order to create a quiet and fair environment, 5g signal shield is an essential equipment in these places.

The examination room type low-power smart jammer is more suitable for the classroom application of the school. If there is a base station near the on-site school, the shielding effect of the low-power 5g shield is a little weak, so you can choose the high-power 5g shield, which does not need to be installed in each classroom, but only needs to be placed in the shielding area, and the number of high-power 5g shields can be selected according to the shielding range. If only a certain frequency band needs to be shielded, the module of a certain frequency band high-power intelligent jammer can also be purchased separately.