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Dahua Technology Introduces APOLLO BP3EW-4G to Expand Wire-Free 4G Security Monitoring

2026-04-20

Dahua Technology Introduces APOLLO BP3EW-4G to Expand Wire-Free 4G Security Monitoring

ARA12-W2(868)

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ARA12-W2(868)

Wireless siren

Key Points
    · It features danger warning and intrusion determent.
    · 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

Function

Tamper Alarm

Yes

Remote Upgrade

Cloud update

Test Mode

Yes

Low Battery Alarm

Yes

Search

Signal strength detection

Wireless

Carrier Frequency

868.0 MHz–868.6 MHz

Transmitter Power (EIRP)

Limit 25 mW

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

2 × CR123A batteries

Power Consumption

Max. 240 mW

Operating Temperature

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

Operating Humidity

10%–90% (RH).

Product Dimensions

81.0 mm × 81.0 mm × 26.0 mm (3.19" × 3.19" × 1.02") (L × W × H)

Packaging Dimensions

135.0 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H)

Installation

Bracket mount

Net Weight

105 g (0.23 lb)

Gross Weight

175 g (0.39 lb)

Certifications

CE

EN 50131-1:2006+A1:2009+A2:2017+A3:2020

EN 50131-4:2019

EN 50131-6:2017

EN 50131-5-3:2017

Security Grade 2

Environmental Class II

Battery Life

2.5 years in working status (triggered twice every week and alerts 120 s for each triggering)

Sound Pressure

Volume high 84 db (A )1 m

Volume medium 78 db (A)1 m

Casing

PC + ABS

Temperature

Measuring Range

–15 °C to +65 °C (+18.8 °F to +149 °F) (indoor)

Measuring Precision

± 1 °C (± 33.8 °F)

Resolution

1 °C (33.8 °F)

Audio/Video Parameter

Volume Adjustment

3 volumn levels

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