please check if this circuit diagram of mobile detector work?

This handy mobile bug or cell phone detector, pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cellphone from a distance of one and-a-half metres. 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 unauthorised video transmission.
please check if it  works?

Picture of please check  if this circuit diagram of mobile detector work?
artworker3 years ago
Guys at "http://www.electroschematics.com/1035/mobile-bug-detector-sniffer/" say it works!