User’s Manual
1
1 Introduction
1.1 Overview
Wireless panic button is a wireless button transmitter that sends a panic alarm signal to the
hub of the alarm security system. By just the press of the button, alarm signals and events are
sent to the monitoring company to ensure a prompt response, and to keep you up to date via
the DMSS app. It is suitable for use with security in homes, banks and more. It is also easy to
carry around.
1.2 Technical Specifications
This section contains technical specifications of the device. Please refer to the ones that
correspond with your model.
Table 1-1 Technical specifications
Type
Parameter
Description
Function
Indicator Light
1 for multiple statuses (pairing,
communication, and more)
Button
1
Remote Update
Cloud update
Signal Strength Detection
Yes
Low Battery Detection
Yes
Battery Level Display
Displays battery level on app
Wireless
Carrier Frequency
DHI-ARD822-W2 (868):
868.0 MHz–868.6 MHz
DHI-ARD822-W2:
433.
35
MHz–434.6
MHz
Communication Distance
DHI-ARD822-W2 (868):
Up to 1,400 m (4,593.18
ft) in an open space
DHI-ARD822-W2:
Up to 1,300 m
(4,065.09 ft) in an
open space
Power Consumption
Limit 14 mW
Communication
Mechanism
Two-way
Encryption Mode
AES128
Frequency Hopping
Yes
General
Operating Temperature
–10 °C to +55 °C (+14 °F to +131 °F) (indoor)