Development of GSM — 900 Mobile Jammer: An approach to overcome existing limitation of jammer

We have seen a dramatically boom in the number of users of mobile communication devices in the last two decade. This magnified the need of a more efficient and reliable signal scrambler for a cultured society. Mobile Jammer devices are becoming civilian products rather than electronic warfare devices. With increasing number of Mobile users, the need to disable Mobile phones in specific places, where the ringing of Mobile phone would be disruptive, has increased. These places includes Worship places, lectures Rooms, Hospitals, Concert halls, meeting room, jails and other places where the silence is appreciated. Mobile Jammer can be very effective in Confidential meeting Hall where important information can be leaked from room to outside without knowing to any other person. Jammer can be very effective in jails to break the communication between the prisoners. This paper discusses the design and development of GSM Mobile jammer and aims to present a solution for the problems of complexity and cost, related to jammer designs. Paper also discusses the performances of jammer for various types of signal.