Are there 5G signal jammers on the market?

When will 5G signals become popular? Is there a market for 5g signal jammers? Will it come along with the spread of 5G signals?

Topsignaljammer  2022.3

5G signals will be developed and popularized. Whether it is performance or other aspects, I believe that in the future development, 5G signals will have many areas. This is the mainstream of technological development. So 5G signal jammer in 2020 are already here.

With the popularization of 5G signals, information confidentiality and security must be effectively supervised in various examination rooms such as military security systems, prison detention centers, and high school entrance examinations. , professional factory!