Dahua DHI-ARA24-W2(868) – Wireless Keyfob 868 MHz, range up to 900 m
Wireless keyfob remote control for Dahua AirShield alarm systems with 868 MHz two-way radio communication, up to 900 m range, and AES-128 encryption.
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Description
The Dahua DHI-ARA24-W2(868) is a wireless keyfob remote control for the Dahua AirShield alarm system series. Operating at 868 MHz with a two-way protocol and frequency hopping, it ensures reliable and secure communication. The ergonomic polycarbonate and ABS housing, combined with four dedicated function buttons, allows quick and convenient control of the alarm system from anywhere within range.
Key features
- Frequency: 868.0 MHz–868.6 MHz (two-way communication)
- Wireless range: up to 900 m in open space
- Buttons (4): Away (Arm), Home mode, Disarm, SOS emergency alarm
- Encryption: AES-128
- Frequency hopping: yes – ensures communication stability
- Power supply: CR2032 battery (included), up to 5 years battery life
- Low battery alarm: yes
- Maximum power consumption: 100 mW
- Updates: cloud-based firmware updates with automatic recovery on failure
- Configuration and monitoring: remote via mobile app
- Status indicator: two-colour LED
- Dimensions: 40 mm × 60 mm × 14.9 mm
- Housing: polycarbonate and ABS plastic
- Operating temperature: –10 °C to +55 °C
- Operating humidity: 10%–90% RH
The DHI-ARA24-W2(868) is the ideal accessory for professional installers deploying Dahua AirShield wireless alarm systems in residential and commercial environments. Its compact form factor and included lanyard string make it convenient for everyday use.
