This mobile jammer will jam GSM900/1800/CDMA/3G MOBILE PHONES at 4-10 meters range. It has 2 watt power output..This is a complete, assembled working project / model (duly tested) at our work shop. This is a handmade project on a general purpose PCB and uses Electronics / Electrical components as per requirement of a particular model. A rough report & study material related to project will be mailed to student on request.