2 way intercom. need help.

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esmendar

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Hi,
I need help with my intercom, how can i make it 5 ways using the kit of 2 way intercom? your inputs are greatly appreciated. thanks..
 

2 way ingtercom. need help.

If you want one intercom to be able to dial and connect to one out of 4 other intercoms then you need dialing and receiving circuits.

if you want 5 intercoms to be connected all together then they will pick up a lot of background noises and you must adjust the impedances so that the circuits are not loaded down.
 

2 way ingtercom. need help.

one way to seperate them could be to use CTSS or DTMF tones.
 

here's the sample of my intercom. thanks

 

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