Where Cell Phone Signal Jammer Are Used？

Extensive use of mobile phones are equipped with the widespread use of infringement. Although most of the mobile phone companies have spent millions of dollars with appropriate education to mobile phone users of mobile phone use and etiquette, there are still many people ignore such manners. Also because of this cell phone use signal interference becomes popular.

Although mobile phone signal interference is illegal in some countries, but some places are legitimate. Almost all the prison facilities for global mobile phone calls made prisoner not contact in the disturbance to the outside world. We must remember that these prisoners can still for illegal activities, so need to use mobile phones per penology owns the interference. To a certain extent, hampered the further plan or future crime.

In China, the education department use cell phone signal jammer to prevent cheating student with his mobile phone. They use mobile phone jammers legalised, especially in the exam main end. The perimeter and the high school is a moving around, so that students will not answer the phone even messages can be used as a cheat or illegal purposes. Some university in Iran is using the phone jammers prevent students use their phones in class.