Wireless panic button Dahua ARD8 with RF 868 MHz and IP54 protection

Technical features

• Dahua ARD8 radio panic push button
• 1 activation button
• 1 LED indicator for pairing, communication and other operational statuses
• Multiple LED colors to indicate different statuses

Functionalities

• Cloud update with automatic recovery from update failure
• Accidental press prevention
• Low battery detection
• Battery level display in the application
• Signal strength indication
• Test mode available

Alarms

• Activation of intrusion, fire, gas leak and medical alarms
• Alarm event notifications sent to the ARC and the user

Communication interface

• Carrier frequency from 868.0 MHz to 868.6 MHz
• Bidirectional RF868 communication
• Communication range up to 1200 m in open space
• AES128 encryption
• Frequency hopping available

Power supply

• CR2032 battery
• Battery life of 3 years with 2 uses per week
• 28 mA operating current

Environmental

• Operating temperature -10 °C to +55 °C indoors
• Operating humidity 10% to 90% RH
• IP54 protection

Physical characteristics

• PC + ABS housing
• Wall mounting or portable use
• Dimensions: 55 mm × 36 mm × 14.2 mm (L × W × H)
• Packing dimensions: 95 mm × 59.5 mm × 30.5 mm (L × W × H)
• Net weight: 18 g
• Gross weight: 48 g

Contents

• Dahua ARD8 radio panic button DAHUA-4852 (DHI-ARD821-W2(868)-L)

Certifications and standards

• CE
• EN 50131-1:2006+A1:2009+A2:2017+A3:2020
• EN 50131-3:2009
• EN 50131-6:2017
• EN 50131-5-3:2017
• Safety class 2
• Environmental class II