27-08-2012, 12:52 PM
MOBILE BUG-CELL PHONE DETECTER
MOBILE BUG-CELL PHONE DETECTER.pptx (Size: 51.23 KB / Downloads: 89)
INTRODUCTION
This handy, pocket-size mobile transmission detector or sniffer can sense the presence of an activated mobile cell phone from a distance of one and-a-half meters.
It can be used to prevent use of mobile phones in examination halls, confidential rooms, etc.
The device can detect the incoming and outgoing calls, SMS even if the mobile phone is kept in the silent mode.
When the device receive RF transmission signal from an activated mobile phone, it starts sounding a beep alarm and the LED blinks. The alarm continues until the signal transmission ceases.