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1 Introduction
1.1 Overview
Door detector is a wireless detector consisting of a sensor and a magnet that can send a signal to
the hub and trigger an alarm when an armed door is opened. It can be set up via the DMSS app for
iOS and Android phones.
1.2 Technical Specications
This section contains technical specications of the door detector. Please refer to the ones that
correspond with your model.
Table 1-1 Technical specications
Type Parameter Description
Port
Indicator Light 1 × green alarm indicator
Button 1 × power button
Function
Tamper Alarm Yes
Remote Update Cloud update
Search Signal strength detection
Low Battery Alarm Yes
Wireless
Parameters
Carrier Frequency
DHI-ARD323-W2
(868S):
868.0 MHz–868.6 MHz
DHI-ARD323-W2 (S):
433.1 MHz–434.6 MHz
Communication
Distance
DHI-ARD323-W2
(868S):
Up to 1,200 m
(3,937.01 ft) in an open
space
DHI-ARD323-W2 (S):
Up to 1,000 m (3,280.84 ft)
in an open space
Communication
Mechanism
Two-way
Encryption Mode AES128
Frequency Hopping Yes
Peripheral External Zone
1-channel external digital input
1-channel external digital input does not have any
certication standards.
Temperature
Measuring Range -15 °C to +65 °C (+5 °F to +149 °F) (Indoor)
Measuring Precision ± 1 °C (± 1.8 °F)
Resolution 1 °C (33.8 °F)
User’s Manual
1
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