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wysiwyg_imageupload:771:this is
and if u neet more detail
look that link…….http://www.circuit-projects.com/rf-radio-frequency-circuits/simple-cell-phone-jammer.html
Cell phone jammer is an electronic device that blocks the transmission of signals between the cell phone and its nearby base station. By using the same frequency as the cell phones, the cell phone jammer creates strong interference to the communication between the caller and the receiver. It is efficient in blocking the transmission of signals from the phone networks, including UMTS, 3G, CDMA, GSM and PHS.
Ali,
In the past i worked on this circuit, the range is not above 4-5 meters & power consumption is more for battery applications. if you are looking for good range use 1/4 monopole antenna with 50ohm impedence, it would increase further 5meters.
hi ali
i want to make this project this circuit is running ? in working condition?
what is tha frequency range of this project for jamming the signal.
thanks.
Assalam U Alaikum:
First of all I wan’t to ask can I use bft66 instead of mrf947t1 & secondly does a mobile phone uses a single gsm frequency at a time cuz this circuit generates only constant frequency. Would it should be enough to jam a single service at a time???
thanx all my project now changed to GSM JAMMER,due SPECTROMETRE COST,,,,,,,,,……………………..am happy about the circult of the jammer i saw but willin to known better about it tanx all……………………………………………………………………………….GSM JAMMER DETAILS PLS ALL
A teacher, or the prison, more and more ares are considering the legal use of phone jammers, it has been a necessity of our daily life, I have got one from jammerfromchina for my family. so if you want to get one, you can go and visit it for more details. share with you!
Hi!
Here is the simple and best circuit diagram for mobile jammer. For complete information about this circuit diagram and its working, read the post: Simple Mobile Jammer Circuit
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