People always complain about society because they think they have been treated unfairly and many things are unpredictable. If you are taking an exam, it is easy to find that it is unfair. There are many students who have put in a lot of effort and achieved good results, which is of course fair. However, there are some students who rarely attend classes or spend time studying, but their test scores can meet the requirements. You will surely guess that they will cheat in the exam. When it comes to cheating, you would think that the mobile phone is the first accomplice. In order to maintain the fairness of the exam and the fairness of a world, mobile cell phone jammer are to ensure the fairness of the exam.
Prison cell phone jammers have become a necessary addition to the tool library needed to ensure the safety of prisoners. Mobile phones are getting smaller and smaller every day, which makes it easier for prisoners to smuggle into the facility. This is an even more daunting task for the already stressed correctional staff, but cell phone jammers are a way to prevent prisoners from using cell phones for potentially dangerous activities. The use of cell phone jammers can also force prisoners to use approved/monitored phone lines in prisons.