DoorBird D21 Série Manuel D'installation page 27

Night-vision:
Yes, light sensor, automatic IR-cut
filter, 12 IR-LEDs (850 nm)
AUDIO
Audio components:
Speaker and microphone, echo and
noise cancellation (AEC, ANR)
Audio streaming:
Two-way, full duplex
NETWORK
Ethernet:
RJ45 jack, PoE 802.3af Mode-A
MOTION SENSOR
Type:
Active
Detection angle:
110°
Range:
1 – 10 m (3.3 – 32.9 ft), depends on
environment, configurable in 1 m
(3.3 ft) steps.
If a "Display Module" is connected to
the Main Electrical Unit, the range is
limited to 1 m (3.3 ft).
Technology:
4D. Based on multiple integrated
sensors and algorithms, e.g. Radio
Frequency Energy (RFE)
Configuration:
Via App, e.g.
• Range (1.10 m / 3.3 - 32.9 ft)
• Movement direction (coming,
leaving, both)
• Individual events (e.g. switch a
relay, push notification, SIP call
[audio/video], HTTP(s) notification)
• Individual schedules
RFID
Type:
Active Reader Passive Tag (ARPT)
system
Standard:
ISO/IEC 18000-2:2009 Part 2, EM4100,
EM4102
Frequency:
125 KHz
Range:
0 - 3 cm, depends on environment
Antenna:
Internal
Compatible Transponder:
RFID key fobs, sold separately,
see www.doorbird.com/buy
Up to 100 tags manageable
Configuration:
Via app, e.g.
• Tag (add, delete)
• Individual events (e.g. switch a relay,
push notification, SIP call [audio/
video], HTTP(s) notification)
• Individual schedules
INTEGRATED WIRELESS MODULES
RFID:
125 KHz
Sensor:
24 GHz, can be disabled
OPTIONAL ACCESSORIES
Sold separately:
see www.doorbird.com/buy
*: Only contained in certain models or
configurations.
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