1.Product Overview
R28 series is an Linux-based doorphone and SIP-compliant with
a 4.3’’ screen and a dialpad. It incorporates audio
communications, camera capabilities and access control.
It is applicable to multi-storey residential buildings, high-rise
office buildings and their complexes.
Occupants can communicate with visitors via audio and video
calls, and unlock the door if they need. Visitors can also use PIN
codes or RFID cards to unlock the door.
Its multiple ports, Door, Relay(COM), RS485 and Wiegand, can
be used to easily integrate external digital systems, such as
elevator controller and fire alarm detector, creating a holistic
entrance control.
Figure1.1 Product Description
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