What is the importance of cell phone jammers in prisons

With the continuous development and popularization of mobile phones as mobile communication tools, and the continuous improvement of the technical level of mobile communication tools for humans, especially the promotion and application of 3G and 4G technologies, it is useful for prisons, labor camps, detention centers, drug rehabilitation centers and Continue Reading

What are the advantages of engineering-grade mobile phone signal jammers over other jammers?

How to choose and use engineering-grade signal jammer? What is engineering-grade cell phone jammer? In fact, engineering-grade mobile phone jammers are derived from the hardware upgrade of ordinary mobile phone signal jammers. They are more refined in workmanship, more wear-resistant and heat-resistant, and faster in heat dissipation. They can be used Continue Reading