
Door station additional button for Duo System.
Security policy (edit with Customer reassurance module)
Delivery policy (edit with Customer reassurance module)
Return policy (edit with Customer reassurance module)
Composed by surface mounting box, front plate with frame for combination with audio-video or just audio door station up to 8 additional buttons, complete with appropriate connection cables. Buttons are to be purchased separately: AG21 or AG20.
Digital Duo System technology.
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