Design and Development of Mobile Bug with Jammer Circuit
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International Journal of Engineering Trends and Technology (IJETT) |  |
| © 2016 by IJETT Journal | ||
| Volume-32 Number-4 |
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| Year of Publication : 2016 | ||
| Authors : Sadixya Pradhan, Nikhil Rai, Tashi Rapden Wangchuk |
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| DOI : 10.14445/22315381/IJETT-V32P240 |
Citation
Sadixya Pradhan, Nikhil Rai, Tashi Rapden Wangchuk"Design and Development of Mobile Bug with Jammer Circuit", International Journal of Engineering Trends and Technology (IJETT), V32(4),199-203 February 2016. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
Abstract
This handy mobile bug or cell phones detector, pocketsize 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. The circuit can detect both the incoming and outgoing calls, SMS and video transmission even if the mobile phone is kept in the silent mode. The moment the bug detects 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.
References
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Keywords
555 Timer (IC), CA310 (op-amp CMOS), Relay, Transistor.