描述
ARM9A4-W2(868)
Dahua Wireless Multi IO Transmitter
ARM9A4-W2(868) 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
Port
| Alarm Input |
Supports local 16-channel alarm input, 1 to 6 channels support pulse detection, and 1 to 16 channels support 0EOL/EOL/2EOL/3EOL connected to a maximum of 500 m ( 1640.42 ft )，（cable typed Rvv2*2.4，No strong electricity signal interference） |
| Alarm Output |
Supports 4 local channels(Max 30 VDC, 3A) |
| Storage Battery |
Yes (12 V, 7 Ah.The backup battery is not included in the set） |
| Auxiliary Power Output |
2 built-in auxiliary output, 14.5V, total 2A |
Function
| Indicator Light |
1 × indicator (indicator status) |
| Button |
1 × switch button |
| Remote Update |
Supports cloud update |
| Low Battery Detection |
Yes |
| Tamper |
Yes |
Technical
Wireless
| Carrier Frequency |
868 MHz |
| Transmitter Power (EIRP) |
limit 25 mW |
| Communication Mechanism |
Two-way |
| Communication Distance |
RF: Up to 1,600 m (5249.34 ft) in an open space |
| Encryption Mode |
AES128 |
| Frequency Hopping |
Yes |
General
| Power Supply |
100–240 VAC, 50/60 Hz |
| Power Supply Type |
Type A |
| Standby Time |
Static standby: Up to 30 hrs |
| Low Battery Threshold |
11,000 mV |
| Battery Restore Threshold |
12,000 mV |
| Power Consumption |
220 VAC quiescent current (40 mA Irms) 220 VAC max current@2Aload + charge (315 mA Irms) |
| Operating Temperature |
–10 °C to +50 °C (+14 °F to +122 °F) |
| Operating Humidity |
10%–90% |
| Product Dimensions |
304 mm × 235 mm × 90.8 mm (11.97" × 9.25" × 3.57") |
| Net Weight |
1.22 kg (2.69 lb) |
| Gross Weight |
1.78 kg (3.92 lb) |
| Installation |
Wall mount |
| Casing Material |
PC + ABS |
| Appearance Color |
White |
| Protection |
IP30 |
| Certifications |
CE |
| Anti-corrosion Level |
Basic Protection *The products are designed for general use and are applicable even in areas with no specific requirements for anti-corrosion protection. |
| Storage Temperature |
–10 °C to +55 °C (+14 °F to +131 °F) |
| Storage Humidity |
10%–90% |
| Packaging Dimensions |
369 mm × 140 mm × 280 mm (14.53" × 5.51" × 11.02") (L × W × H) |
