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AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

2026-03-13

AI Empowering a Smarter, Safer, and Sustainable Traffic: Dahua Unveils Latest ITS Solutions at Intertraffic Amsterdam 2026

ARM310-W2

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ARM310-W2

Wireless input expander

Key Points
    · Supports six types of alarm: intrusion, medical, fire, emergency, gas, and tamper.
    · Frequency hopping function and two-way communication technology ensure communication stability.
Sales Enquiry
Datasheet

Specifications

Port

Indicator Light

1 × green alarm indicator

Button

1 × power button

Protection Zone

1-channel dry contact input

Function

Tampering Alarm

Yes

Remote Upgrade

Cloud update

Low Battery Alarm

Yes

Test Mode

Yes

Search

Signal strength detection

Wireless

Carrier Frequency

433.1 MHz–434.6 MHz

Communication Distance

Up to 1,000 m (3,280.84 ft) in an open space

Communication Mechanism

Two-way

Frequency Hopping

Yes

Encryption Mode

AES128

General

Power Supply Mode

CR123A battery

Power Consumption

Max. 70 mW

Operating Temperature

–10 °C to +55 °C (+14 °F to +131 °F) (indoor)

Operating Humidity

10%–90% (RH)

Dimensions

100.2mm × 20.8mm × 20.3mm (3.94" × 0.82" ×0.80")

Package Dimensions

135.0 mm × 98.5 mm × 27.8mm (5.31" × 3.88" × 1.09")

Installation Mode

Bracket mount

Net Weight

70 g (0.15 lb)

Gross Weight

115 g (0.25 lb)

Certification

CE

Battery Life

4 years (The external input type is NO)

2 years (The external input type is NC or Pulse)

Casing Material

PC + ABS

Temperature

Measurement Range

–15 °C to +65 °C (+5 °F to +149 °F) (indoor)

Measurement Precision

±1 °C (±1.8 °F)

Resolution

1 °C (33.8 °F)

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