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Subject: i need help building a two wire intercom

Date: 03/07/03 at 10:04 AM
Posted by: prs
E-mail: pratu_shahin@yahoo.com
Message Posted:

In Reply to: i need help building a intercom device(upsatirs to downstairs) posted by jamie on 10/04/01 at 1:35 PM:

i need help building a two wire intercom device for multistory buildings.
i do have circuit ready but i did not understand it so i want its discription pl help me


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