Related Ads
Cell Phone Detector circuit using CA3130, NE555

Cell Phone Detector circuit using CA3130, NE555, BC548

This detector functions let you know that nearby there are phones that activated from a distance of five feet. So that can be used to prevent the use of mobile phones in the exam room, secret room, a place of worship, etc. It is also useful to detect the use of mobile phones to spy on and the transmission of unauthorized video.
Once detected RF signal transmissions from a bug that enabled phones, the detector alarm beeps and LED flashes. Alarm signal will continue until the transmission stops.
This circuit can detect both incoming and outgoing calls, SMS and video transmission even if the phone is kept in silent mode.

Cell Phone Detector circuit using CA3130, NE555, BC548