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The use of cell phone jammers has been necessitated by a number of factors. Before you can consider all the factors that have led to the invention and deployment of these devices, you need to understand and identify where they are used. One of the most common places you can and will find cell phone jammers is in school and other educational establishment. The reason for the establishment cell phone jammers here is pretty straight forward. Authorities in the school are trying to prevent and dissuade undesirable cell phone usage in their establishments. There are many ways that cell phones can be used to break the rules of educational establishments and this is why cell phone jammers have become so popular with them. The first undesirable behavior that school administrators try to curb is cheating in exams through cell phone usage. Students have devised means through which they can cheat in their exams using cell phones to get answers to exam questions. This has necessitated the use of cell phone jammers in schools to make sure that this does not happen. By using cell phones, students can send to each other the answers to exam questions discreetly so that even the authorities do not even notice. This can be achieved by sending each other text messages as well as instant messages that contain answers to questions. However, cheating in exams is not only limited to this, they can also look up for answers using local search engine queries on the internet which is also difficult for authorities to notice. Therefore to make sure that such instances are completely eradicated, cell phone jammers are used. These devices make sure no form of cell phone communication can occur in the class room when the exam is taking place. The best thing about these cell phone jammers is that they come in different shapes and sizes that can be used to disrupt cell phone signal in that specific classroom where the exam is taking place and leave other places unaffected. The second place where cell phone jammers can be used is in movie theaters where absolute quietness is required to let people enjoy a movie quietly. Many people lack the proper etiquette when it comes to cell phone manners and they will talk through these devices anywhere they want to without giving the other person next to them any consideration. Therefore, to avoid such instances, cell phone jammers are used to make sure that the movie theater does not suffer an interruption due to cell phone usage. However, in some places it is illegal to use these jamming devices, so make sure you read up on the state laws before you get yourself one of these devices.
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