looking for small jammer, jammer principle.

[vignesh pr]

im engineering student. looking for small jammer with least range of 2m of diameter.
i'm also intresting know is there any material which can absorb mobile frequency.

 

[tpetar]

RF absorbing materials :

**broken link removed**
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[abdulmakhdoom]

Please anyone send me the Mobile Jammer circuit..........

 

[tpetar]

Often students wants RF bugs, not jammers.

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You can try one of thise:

**broken link removed**
https://electroschematics.com/1003/mobile-cell-phone-jammer/
https://www.ladyada.net/make/wavebubble/index.html

**broken link removed**

 

[pico]

Check this one out.

https://www.ladyada.net/make/wavebubble/index.html