Dahua ARM9A4-W2(868) Dahua Wireless Multi IO Transmitter
€256.68
Not in stock — available for pre-order. Dahua products ship from the EU warehouse (usually about a week) or from China (about 2 months); we will reply with the exact delivery time and a quote.
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Product "Dahua ARM9A4-W2(868) Dahua Wireless Multi IO Transmitter"
Dahua ARM9A4-W2(868) is a wired multi-I/O transmitter module that integrates wired detectors and devices into the Dahua AirShield wireless alarm system. It provides 16 wired zones and 4 relay outputs and is mains powered (no PoE).
Key Advantages and Features:
- 16 wired zones: All channels 0EOL/EOL/2EOL/3EOL, up to 500 m cable (RVV2×2.4)
- 4 relay outputs: Max 30 VDC, 3 A per channel
- Auxiliary power outputs: 2 outputs at 14.5 V, total 2 A
- 868 MHz wireless: AirShield two-way link, up to 1600 m, AES128 and frequency hopping
- Ethernet: RJ-45 10/100 Mbps network connection
- Backup battery support: 12 V 7 Ah battery (not included), up to 30 h standby
- Tamper protection: Tamper plus firmware updates from management software
Technical Specifications:
| Parameter | Specification |
|---|---|
| Type | Wired multi-I/O transmitter |
| Inputs | 16 wired zones (0EOL/EOL/2EOL/3EOL), up to 500 m cable |
| Outputs | 4 relay outputs, max 30 VDC, 3 A |
| Aux power | 2 × 14.5 V, total 2 A |
| Wireless | 868 MHz, up to 1600 m in open space |
| Link security | Two-way, frequency hopping, AES128 |
| Network | RJ-45 10/100 Mbps (no PoE) |
| Power supply | 100–240 VAC, 50/60 Hz / backup battery 12 V 7 Ah (not included) |
| Battery standby | Up to 30 h |
| IP rating | IP30 |
| Operating temperature | −10 °C to +50 °C |
| Dimensions | 304 × 235 × 90.8 mm, 1.22 kg |
Best suited for: integrating wired detectors and devices into the Dahua AirShield system on mains power, where many zones and outputs are required.
| Alarm device type: | Module |
|---|---|
| System: | Wireless |
Dahua Technology – Enabling a Safer Society and Smarter Living
Dahua Technology is a world-leading video-centric AIoT (Artificial Intelligence of Things) solution and service provider. Dedicated to technological innovation, Dahua offers reliable security systems and smart video solutions tailored for residential users, commercial enterprises, and the public sector alike.
Why Choose Dahua?
Cutting-Edge Innovation: Dahua invests heavily in Research & Development (R&D) each year, consistently bringing highly accurate AI-driven video surveillance technology to the global market.
Comprehensive Security Ecosystem: Their extensive product portfolio includes high-resolution IP and analog cameras, smart video recorders, access control systems, video intercoms, intrusion alarms, and smart home solutions.
Proven Global Reliability: Trusted in over 180 countries, Dahua products are renowned for their exceptional build quality, outstanding image clarity, and user-friendly operation.
Through continuous innovation and world-class video technology, Dahua helps create a safer environment and streamlines daily operations for businesses and communities worldwide.
Videovalve is Dahua's official distributor in Estonia. See Dahua's official partner list (dahuasecurity.com)
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