maybe-you-need-the-mobile-jammer-abstract-pdf

The appearance of the cell phone jammer can be divided into an external antenna and an internal antenna. In general, the external antenna extends outward because the antenna is external, so it is relatively It occupies a larger space and volume; because of the extended antenna, the effect of the external antenna is more stable.In the past few years, various types of mobile phone signal jammers have emerged in an endless stream. We are dazzled and dizzy. In fact, not all products are suitable for us to apply to ourselves. Some products are public, so they are not. 

When we use a mobile phone signal jammer, you will find that no matter where we are, as long as we can turn on such a jammer, no one can search for our wireless signal. In other words, home The effect of the product is more obvious than that of common public products. In such an environment, we can always shield all signals easily, but if we use a public shield, then the shielding effect may be unstable. So we need to understand the specific use effect.The antenna is externally designed, and one end of the interface is unified to make the appearance more beautiful and decent. It also has an anti-loosening design, and the antenna and the host have a marked working frequency band to facilitate one-to-one correspondence.

Mobile phone wireless signal jammers are mainly used for domestic college entrance examinations, domestic postgraduate entrance examinations, adult college entrance examinations, self-study examinations and various colleges and universities examinations, as well as various middle schools, technical schools, vocational high schools, prisons, detention centers, conference rooms, etc. , Adverse effects caused by communication with outside prisoners and collusion with others.Mobile phone signal jammers are mainly used in examination rooms, and are not limited to examination rooms.