ARM320-W2-868 - Dahua - Wireless Input Expander - 6 types of alarm: intrusion, medical, fire, emergency, gas, tampering - Bidirectional 868Mhz frequency - Low battery alarm - AES128 encryption - Alarm LED indicator - Power button - Tamper alarm - Updatable in Cloud - Frequency Hopping - Range up to 1,600m in open field - Sensor: tri-axial accelerometer - Powered by 3x CR123A batteries - Temperature monitoring - High quality product, can be installed on the wall or in third-party devices .
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WIRELESS MODULE - WIRELESS FOR INPUT EXPANSION - WITH 6 TYPES OF ALARM - FREQUENCY 868MHZ - ARM320-W2-868
WHY BUY IT?
100% INTEGRATED WITH OPTEX SENSORS

Product details
- Wireless input expander - Dahua Security - ARM320-W2-868
- Supports 6 types of alarm : intrusion, fire, medical, gas, tamper, emergency
- Bidirectional communication frequency 868Mhz
- Range up to 1,600m in open field and in the absence of obstacles
- Cloud Update
- Sensor: triaxial accelerometer
- AES128 signal encryption
- Alarm input door: 2 (1x Tamper + 1x Alarm)
- Low battery detection
- Test Mode
- Power button
- Alarm indicator light (green)
- Powered by 3x CR123A batteries
- Dimensions: 95mm × 43mm × 139mm
- Basic corrosion protection
- Product net weight: 70g
- For indoor use
- Installation with wall mounting or third-party devices
- Operating temperature: –10 °C to +55 °C
- Temperature monitoring range: –10 °C to +55 °C
- Monitoring accuracy: ±1°C
- Average battery life: 5 years
Data sheet
| ARM320-W2-868 | |
|
Technical Specs |
|
|
Port |
|
|
Alarm Input |
2 (1 for alarm and 1 for anti-tampering) |
|
Auxiliary Power Output |
3.3V, up to 10mA |
|
Function |
|
|
Button |
1×power button |
|
Remote Update |
Cloud update |
|
Low Battery Detection |
Yes |
|
Tampers |
Yes |
|
Measuring Range (Temperature) |
–10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
|
Technical |
|
|
Sensor |
Triaxial accelerometer |
|
LED Indicator |
1 × green alarm indicator |
|
Scenario |
Indoors |
|
Operating Current |
45 uA (with 1 min heartbeat, normally open mode, charge not being provided for other devices and device moved alarm not enabled) |
|
Alarm Current |
50 mA |
|
Wireless |
|
|
Carrier Frequency |
868.0 MHz–868.6 MHz |
|
Communication Mechanism |
Two-way |
|
Communication Distance |
Up to 1600 m (5249.34 ft) in an open space |
|
Encryption Mode |
AES128 |
|
Frequency Hopping |
Yes |
|
General |
|
|
Power Supply |
3 × CR123A batteries |
|
Battery Model |
CR123A |
|
Battery Life |
5 years (4 years if the external input type is pulse) |
|
Power Consumption |
Max. 150 mW (without providing charge for other devices) |
|
Operating Temperature |
–10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
|
Operating Humidity |
10%–90% (RH) |
|
Product Dimensions |
102 mm × 39 mm × 21.5 mm (4.02" × 1.54" × 0.85") |
|
Net Weight |
77 g (0.17 lb) |
|
Gross Weight |
135 g (0.30 lb) |
|
Installation |
Surface mount, or mount inside a third-party device |
|
Certifications |
THERE IS |
|
Anti-corrosion Level |
Basic Protection |
|
Packaging Dimensions |
95 mm × 43 mm × 139 mm (3.74" × 1.69" × 5.47") |



