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DOORPHONE SYSTEM COMPONENTS
OUTDOOR SYSTEM
INTERIOR HANDSET UNIT
1 call button
+ tag reader
1 call button with keypad
+ tag reader
2 call buttons
+ tag reader
2 call buttons with keypad
+ tag reader
Connection
of an electrical latch
or lock
Handset units can communicate
with each other (inter-handset
communication function)
Handset
Base
Outdoor caller units wired
to main controller (road side)
Main controller
(garden side)
Connection
of gate motorisation
system
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1. Introduction