Cell Phone Detector Circuit Diagram

This is a simple cell phone detector circuit diagram, this is a pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cellphone from a distance of one and-a-half meters. So it can be used to prevent use of mobile phones in examination halls, confidential rooms, etc. It is also useful for detecting the use of mobile phone for spying and unauthorized video transmission. Sourced: EFY

 Simple Cell Phone Detector Circuit Diagram