描述
ARA12-W2(915)
Wireless Siren
ARA12-W2(915) 屬大華防盜警報產品。傑成系統有限公司（香港防盜）為大華產品安裝商及經銷商，可提供供應、安裝、調試、保養及維修。方案可參考防盜系統。規格以原廠資料為準。
規格
Function
| Indicator Light | 1 × green alarm indicator |
|---|---|
| Button | 1 × power button |
| Remote Update | Cloud update |
| Low Battery Detection | Yes |
| Tamper | Yes |
Technical
| Test Mode | Yes |
|---|---|
| Operating Current | 3 VDC 1.5 A (max) 3 VDC 80 uA (standby) |
| Sound Pressure | Volume high: 105 dB(A) In anechoic chamber: high: 84 dB(A) at 1 meter, medium: 78 dB(A) at 1 meter |
Wireless
| Carrier Frequency | 915 MHz–928 MHz |
|---|---|
| Transmitter Power (EIRP) | Limit 1 W |
| Communication Mechanism | Two-way |
| Communication Distance | Up to 1,000 m (3,280.84 ft) in an open space |
| Encryption Mode | AES128 |
| Frequency Hopping | Yes |
General
| Power Supply | 2 × CR123A batteries |
|---|---|
| Power Supply Type | Type C |
| Battery Model | CR123A |
| Battery Life | Lasts for 2.5 years if alarms are triggered every two weeks, with each alarm sounding for 120 seconds. |
| Power Consumption | 4.5 W (max) 0.24 mW (standby) |
| 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) |
| Net Weight | 105 g (0.23 lb) |
| Gross Weight | 175 g (0.39 lb) |
| Installation | Bracket mount |
| Casing Material | PC + ABS |
| Packaging Dimensions | 135.0 mm × 98.5 mm × 56.8 mm (5.31" × 3.88" × 2.24") (L × W × H) |
