Handphone is the one of most important thing in the world. You can send sms, make a call, and surf internet. Not only them, but you can also enjoy multimedia from this gadget. Like playing music, getting a picture, and others. But, a lot of people are not realize that there is situation or time that they are not allowed to active their handphone. For example, in examination room, cinema, ICU, library, and others.
In several country, copying the answers of others in examination is culture. They habitually see the others' answers with their eyes directly. But, the development of technology makes copying answers method develops too. They can send sms to others, and surf internet to get the answers. This is a big problem. As well as we know, education not only has a purpose to make student to get the certificate. But, education has a purpose to make students to be intellect people. If student has a fraudulent deed in the test, it is to be a proof that he is not intellect.
How to prevent fraudulent test? So, the student can not copy the others' answers? Handphone Jammer. Handphone Jammner is the gadget that could switch handphone signal off (GSM/CDMA/3G). This thing work with radius 50 meters. If this handphone jammber is placed in the examination room, maybe it can minimize the number of copying answers.
