Generally, the diameter coverage of a mobile phone jammer is within 60 meters. It is equivalent to a classroom of 120 square meters. Therefore, the gap between products still exists. After installing Personal Cell Phone Signal Jammer Blocker Device , you can test the effect and judge the installation plan based on the effect. Generally, at least one cell phone jammer is installed in a classroom. Because even in the best range of use, its ability to penetrate walls cannot be guaranteed. Therefore, in order to ensure the effect, the best way is to find a mobile phone signal jammer with the ability to penetrate the wall, or a larger coverage area. In this respect, the leading technology company is our signal jammer manufacturer. They have advanced technology and, with the customer first, will take the customer's purpose as the purpose to create the best test room mobile phone jammer. cell phone jammer It is almost easy to buy on the Internet. Some manufacturers use confidentiality as a selling point.
Exam Personal Cell Phone Signal Jammer Blocker Device Can all communication signals be blocked? Speaking of it, many people are unfamiliar with the test signal jammer. In fact, it has been widely used in the college entrance examination examination room. In the college entrance examination last year, many examination rooms installed this kind of equipment. The response has been very good, and it has been proven to have a good effect on preventing electronic signal cheating. Starting this year, it has been vigorously promoted so that more examination rooms can also install mobile phone signal jammers.