Several years have seen a dramatic boom in the radio communications sector, hence, raising the amount of consumers of mobile communication apparatus. This underscores the need for a more efficient and more dependable signal jammer. In tight security places, it is mandatory for individuals to turn off their phones. Likewise, in examination halls, it is required that students should not keep their mobile phones with them. There are many places where cell phones are not allowed. This project is made with this plan to handle this issue with the littlest and least demanding conceivable way.
Cell phone jammer is a part of gear capable of blocking transmission or reception of mobile phone signals. This is chiefly achieved by creating some type of disturbance at the working frequency ranges of cell phones, which causes no indication or significant reduction of signal quality.Basic components like 555IC, resisitors, Capacitors etc are used for making this portable jammer.