The Dahua DHI-ARM7011-W2(868) is an AirShield 868MHz wireless relay module, which Dahua calls a Wireless Relay. It is a dry contact device used to remotely control 0-36 VDC power, so you can switch power remotely: the dry contact of the relay is electrically isolated from the power supply circuit of the device, and the relay can be used in low voltage to control the supply of power to other devices. It has built-in overvoltage protection and overheating protection, and talks to a Dahua alarm hub over two-way, frequency-hopping 868.0-868.6MHz wireless.
Also listed as ARM7011-W2(868).
| Model | DHI-ARM7011-W2(868) |
|---|---|
| Type | Wireless relay (dry contact device) |
| Alarm input | 1 for tamper, NO/NC |
| Relay output | 1, NO/NC (0-36 VDC, max 5A) |
| Indicator light | 1 for multiple statuses (pairing, communication) |
| Button | 1 |
| Remote update | Cloud update |
| Test mode | Yes |
| Wireless carrier frequency | 868.0 MHz-868.6 MHz |
| Communication mechanism | Two-way |
| Communication distance | 1200 m (3937.01 ft) in open areas |
| Encryption mode | AES128 |
| Frequency hopping | Yes |
| Power supply | 7-24 VDC |
| Operating temperature | -10 °C to +55 °C (indoor) |
| Operating humidity | 10%-90% (RH) |
| Product dimensions | 39 mm × 33 mm × 19 mm |
| Net weight | 45 g |
| Installation | Wall mount |
| Casing material | PC + ABS |
| Certifications | CE |
Dahua describes it as a dry contact device used to remotely control 0-36 VDC power. It can be used in low voltage to control the supply of power to other devices, and its dry contact is electrically isolated from the module's own power supply circuit.
The relay output is 1 channel, NO or NC, rated 0-36 VDC at up to 5A. For 100-240 VAC switching see the Dahua DHI-ARM7012-W2(868) 868MHz wireless WallSwitch.
Dahua lists a 7-24 VDC power supply.
The (868) in the model number is the 868.0-868.6MHz version, which Dahua shows with an 868MHz alarm hub. The model without (868) is the 433MHz version.
Dahua quotes 1200 m in open areas for this 868MHz model.
Yes. Dahua shows it sending to and receiving from an alarm hub, with setup through the DMSS app. Pair it with an 868MHz hub such as the Dahua DHI-ARC3800H-FW2(868) 868MHz alarm hub.
Full manufacturer specification: Dahua product page
Supplied by Zenith Security Co, Wolverhampton. We deliver to England, Scotland and Wales, or you can collect from our Wolverhampton trade counter (please call first).
Browse the full Dahua range, the Intruder alarms category, or contact us on 01902 902251 or visit our Wolverhampton trade counter for advice.
Browse the range: Dahua AirShield alarms · Dahua cameras.
| Product Code | DHI-ARM7011-W2(868) |
|---|---|
| Brand | Dahua |
| Device Type | Input/Relay Module |
| Product Type | Intruder & Smoke Alarm |
We provide tailored support for you and your CCTV system.
Many of our Cameras and Recorders come with a comprehensive 3 year warranty.
We've got a fully functioning show room and IP suite to show you exactly how our CCTV equipment works
As cheap as £10, orders placed before 2:30pm are dispatched for delivery within 1–2 working days!





















































