For good reason there are more and more users of signal jammer in schools. Many teachers found that the vast majority of students texted in the classroom and even played games throughout the class. Some students even spoke openly about cell phones. Teachers are trying to prevent students from using cell phones in the classroom and want to know how to stop using cell phones in the classroom.
Mobile phones bring us comfortable and convenient communication, but we regret that some people have taken over these technologies from their main functions and used them in other areas, and even committed uncivilization or even more serious, malicious, or terrible behavior. For example, hacking technology to steal cell phone information, contacts, company files, etc. We therefore need jammers to protect ourselves.
The equipment for signal interference varies depending on the type. Portable jammers are the most popular type of signal jammer. They are easy to use and transport and are much cheaper than jamming transmitters with high performance and large signal-to-noise ratios. The price for portable jammers is typically several hundred dollars. The range of interference frequencies is diverse and can generally meet our requirements.
If you want to use a signal jammer in a relatively large area, it is advisable to choose a high-performance jammer that has more shielding signal bands and a wider interference range. If you want to use it more conveniently, you can buy a small jammer that is easy to carry, cheap, small, light and very popular. Many portable jammers also have a band that blocks the use of GPS WiFi phones and radios. No matter what you need, jammer-shop.com offers you the perfect service.