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amr mohamed
 
 


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Date of Birth : 1994-09-29
Join Date : 2010-11-12
Age : 22

PostSubject: contactless telephone ringer   Sun 03 Apr 2011, 10:19 am


contactless telephone ringer


Description of Service

Vallmbat Kvchar light will illuminate intermittently with the same frequency ring tone
And when you pick up the phone
Lighting down a little to the reduction in voltage



Circuit diagram



Speaker type Peso

cheers

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