Pocket Size Cellphone Detector

Abstract

Mobile phone is a good technology which is not lacking from our lives. Today, mobile phone has become popular to everybody since it is very convenient. The most advantage of having a mobile phone is you can communicate to your family and your friends no matter what where you are. For instance, you can contact easily to your friends by calling or sending messages everywhere without electricity. It is maybe the main reason why almost all people today choose to own a mobile phone. From the customer’s point of view, it is obvious that mobile phones assist you in business a lot, such as, make schedule of working, surf the internet, and keep in touch with their companies. Moreover, you can relax with mobile phone’s applications, for example, play games, listen to music, or chat with your friends. The ubiquity of the cell phone has made communication easier and faster, integrating the world into a global village as people who are in different geographic location are connected in seconds, it's great to be able to call anyone at any time. There is great need to limit the use of cell phone at particular places and at particular times. Hence, the use of intelligent “cellphone detector” is guaranteed. This work concentrates in designing a system that will dictate the presence of RF signals from an unauthorized user in restricted areas which will in turn trigger another device to restrict the user from service. The system will be able to sense the presence of an activated mobile cellphone from a short distance. So it can be used to prevent use of mobile phones in examination halls, confidential rooms, defense establishments, jail, military camp, hospitals, petrol pumps, and where the uses of an active Mobile Communication (GSM) device are prohibited.