Dahua DHI-ARD512-W2 Wireless Glass Break Detector
The Dahua DHI-ARD512-W2 is a wireless glass-break detector for the Dahua AirShield alarm system. It listens for the specific sound of breaking glass within about 9 metres and raises an alarm before an intruder is through the window, covering tempered, double-glazed, laminated, wired, plate and float glass. It links to your AirShield hub over an encrypted 868 MHz two-way connection and runs on a battery, so there is no wiring to run. An AirShield hub is required and sold separately.
Key points
- Acoustic glass-break detection up to 9 m, for most common glass types
- Dual-frequency listening with algorithms to cut false alarms
- 868 MHz two-way radio with AES128 encryption and frequency hopping
- Range up to 1,600 m in open space to the hub
- Two wired alarm inputs to add third-party detectors
- CR123A battery with around 3 years of life; tamper alarm; indoor use
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§ 01Overview
What the DHI-ARD512-W2 is
The Dahua DHI-ARD512-W2 protects windows and glass doors on a Dahua AirShield alarm system by listening for the sound of breaking glass rather than waiting for someone to move inside. Mounted on a wall or ceiling within about 9 metres of the glass, it recognises the break of tempered, double-glazed, laminated, wired, plate and float glass and triggers the alarm at the point of entry.
False alarms are the usual worry with acoustic sensors, so it listens for the low-frequency thud and the high-frequency shatter at the same time and uses an algorithm to tell a real break from everyday noise. The link to the hub is 868 MHz two-way with AES128 encryption and frequency hopping at up to 1,600 m in open space, and it carries a tamper alarm plus two wired alarm inputs so you can bring a couple of third-party wired detectors onto the same point.
Worth knowing before you buy: it is an indoor accessory, not a system on its own. It needs a Dahua AirShield hub to work and is normally paired with motion detectors and a siren. A single CR123A cell runs it for around three years with a low-battery warning, and the whole system is managed from the free DMSS app. It is genuine Australian Dahua stock with local 3-year warranty and support.
§ 02Engineering
DHI-ARD512-W2 specifications
- Acoustic detection up to 9 m for tempered, double-glazed, laminated, wired, plate and float glass
- Dual-frequency (high and low) listening with anti-false-alarm algorithm
- 868 MHz two-way communication with AES128 encryption and frequency hopping
- Range up to 1,600 m in open space to the AirShield hub
- Two wired alarm inputs (NO/NC) for adding third-party detectors
- Tamper alarm, test mode and low-battery warning; cloud update
- CR123A battery, around 3 years of life; surface mount, indoor (-10 to +55 C); requires an AirShield hub
§ 03Full datasheet
Detailed specifications
Audio
| Feature | Detail |
|---|---|
| Microphone | Highly-sensitive omnidirectional microphone |
Network & Storage
| Feature | Detail |
|---|---|
| Remote Update | Cloud update |
| Carrier Frequency | 868.0 MHz–868.6 MHz |
| Transmitter Power (EIRP) | Limit 25 mW |
| Communication Mechanism | Two-way |
| Communication Distance | 1,600 m (5,249.34 ft) |
| Encryption Mode | AES128 |
| Frequency Hopping | Yes |
Event & Alarm
| Feature | Detail |
|---|---|
| Alarm Input | 2 (NO/NC) |
| Low Battery Detection | Yes |
| Tamper | Yes |
| Detection Range | Max. 9 m (29.53 ft) |
| Specifications of Glass to be Detected | Glass type: Tempered, double-glazed, laminated, wired, plate and float | Glass thickness: 2.4 mm–6.4 mm (0.09""–0.25"") | Glass size: 0.3 m × 0.3 m to 3 m × 3 m (0.98 ft × 0.98 ft to 9.84 ft × 9.84 ft) |
| Test Mode | Yes |
| Scenario | Indoor |
Interface
| Feature | Detail |
|---|---|
| Button | 1 × power button |
| LED Indicator | 1 × green alarm indicator |
General & Environment
| Feature | Detail |
|---|---|
| Power Supply | 1 × CR123A battery |
| Battery Model | CR123A |
| Battery Life | 3 years (The external input type is NO); 1 year (Both external sensors are enabled, and the input type is NC) |
| Power Consumption | Max. 150 mW |
| Operating Current | 45 uA |
| Alarm Current | 50 mA |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
| Operating Humidity | 10%–90% (RH) |
| Product Dimensions | 107.8 mm × 34.5 mm × 24.8 mm (4.24" × 1.36" × 0.98") |
| Packaging Dimensions | 95 mm × 43 mm × 139 mm (3.74" × 1.69" × 5.47") |
| Net Weight | 45 g (0.10 lb) |
| Gross Weight | 130 g (0.29 lb) |
| Installation | Surface mount |
| Casing Material | PC and ABS |
| Appearance Color | White |
| Anti-corrosion Level | Basic Protection |
| Certifications | CE |
| Audio — Microphone | Highly-sensitive omnidirectional microphone |
|---|---|
| Network & Storage — Remote Update | Cloud update |
| Network & Storage — Carrier Frequency | 868.0 MHz–868.6 MHz |
| Network & Storage — Transmitter Power (EIRP) | Limit 25 mW |
| Network & Storage — Communication Mechanism | Two-way |
| Network & Storage — Communication Distance | 1,600 m (5,249.34 ft) |
| Network & Storage — Encryption Mode | AES128 |
| Network & Storage — Frequency Hopping | Yes |
| Event & Alarm — Alarm Input | 2 (NO/NC) |
| Event & Alarm — Low Battery Detection | Yes |
| Event & Alarm — Tamper | Yes |
| Event & Alarm — Detection Range | Max. 9 m (29.53 ft) |
| Event & Alarm — Specifications of Glass to be Detected | Glass type: Tempered, double-glazed, laminated, wired, plate and float | Glass thickness: 2.4 mm–6.4 mm (0.09""–0.25"") | Glass size: 0.3 m × 0.3 m to 3 m × 3 m (0.98 ft × 0.98 ft to 9.84 ft × 9.84 ft) |
| Event & Alarm — Test Mode | Yes |
| Event & Alarm — Scenario | Indoor |
| Interface — Button | 1 × power button |
| Interface — LED Indicator | 1 × green alarm indicator |
| General & Environment — Power Supply | 1 × CR123A battery |
| General & Environment — Battery Model | CR123A |
| General & Environment — Battery Life | 3 years (The external input type is NO); 1 year (Both external sensors are enabled, and the input type is NC) |
| General & Environment — Power Consumption | Max. 150 mW |
| General & Environment — Operating Current | 45 uA |
| General & Environment — Alarm Current | 50 mA |
| General & Environment — Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
| General & Environment — Operating Humidity | 10%–90% (RH) |
| General & Environment — Product Dimensions | 107.8 mm × 34.5 mm × 24.8 mm (4.24" × 1.36" × 0.98") |
| General & Environment — Packaging Dimensions | 95 mm × 43 mm × 139 mm (3.74" × 1.69" × 5.47") |
| General & Environment — Net Weight | 45 g (0.10 lb) |
| General & Environment — Gross Weight | 130 g (0.29 lb) |
| General & Environment — Installation | Surface mount |
| General & Environment — Casing Material | PC and ABS |
| General & Environment — Appearance Color | White |
| General & Environment — Anti-corrosion Level | Basic Protection |
| General & Environment — Certifications | CE |
§ 04Why choose this
Built for the way you actually use the DHI-ARD512-W2
Built to ignore everyday noise
Dual-frequency listening plus an algorithm confirms a real break, so pots, music and slammed doors do not trip it.
One sensor, several windows
A 9 m range lets a single detector cover a room of windows rather than fitting a contact to each one.
Fit and forget
Around three years on a CR123A cell with a low-battery warning and a tamper alarm keeps maintenance low.
§ 05Where it fits
Right at home in these scenarios
Ground-floor windows
Protect the most common entry points — lounge, kitchen and bedroom windows — where a smash is the likely way in.
Shopfronts and glass doors
Cover large panes and glass entries in a shop or office where forced entry through glass is a real risk.
Rooms a motion sensor misses
Add glass-break cover where furniture or layout leaves blind spots for a PIR.
Layered with motion detection
Run it alongside PIR detectors so you are alerted both at the glass and on movement inside.
§ 06Setup
Installation & setup
What's in the box
One DHI-ARD512-W2 glass-break detector with a CR123A battery and mounting hardware. A Dahua AirShield hub is required and not included.
Installation requirements
Mount it on a wall or ceiling within about 9 metres of the glass, with a clear path to the windows and away from noise sources that could mask a break. Enrol it to your AirShield hub in the DMSS app, run the test mode to confirm a good two-way signal, then test a glass-break before relying on it.
§ 07Questions
Frequently asked about the DHI-ARD512-W2
Q.01
Does the ARD512-W2 work on its own?
Q.02
How does it avoid false alarms from everyday noise?
Q.03
How far from the window should I mount it?
Q.04
Which types of glass does it detect?
Q.05
Can I connect wired detectors to it?
Q.06
How long does the battery last and can I replace it?
Q.07
What happens if someone tampers with it?
Q.08
Is this genuine Australian Dahua stock?
§ 09Bundles
Recommended packages
Pair it with an AirShield hub (required)
The detector needs a hub to work — build your system on the DHI-ARC3800H-FW2 Alarm Hub 2, or the smaller DHI-ARC3000H-FW2 hub.
Add motion and door cover
Layer it with a ARD1233-W2 PIR detector and a ARD323-W2 door contact so you are alerted at the glass and on movement or an opened door.
Make alarms heard
Add an ARA12-W2 indoor siren indoors and an ARA13-W2 outdoor siren outside so a break is loud inside and out.
Want a ready-made system?
Start from a bundled AirShield starter kit and add this detector for window protection.
