Device Type: Wireless Alarm Kit (Hub + Keyfob + Door Detector + PIR Detector)
Model / SKU: DHI-ART-ARC300H-03-W2 (official: ART-ARC3000H-03-W2; variants: -W2 for 433 MHz, -W2(868) for 868 MHz)
Brand: Dahua
Wireless Capacity: Supports up to 150 wireless peripherals total, including up to 6 sirens and 64 wireless keyfobs.
Peripheral Status Display: Signal strength, battery level, temperature, and program version.
Key Features:- Automatic Network Replenishment (ANR): Hub offline cache of up to 50 entries to ensure no alarm events are lost during network interruptions.
- SOS Emergency Call: Dedicated SOS function for immediate emergency alerts.
- Cloud Update: Remote firmware updates with automatic recovery from update failure.
- Video Linkage on App: Enables integration with Dahua video surveillance for visual verification of alarms.
- Frequency Hopping & Two-Way Communication: Ensures stable and reliable wireless communication.
- Power Failure Protection: Configured parameters are preserved during power loss.
Wireless Communication:- Carrier Frequency: 433.1–434.6 MHz (W2) / 868.0–868.6 MHz (W2(868)).
- Transmitter Power (EIRP): Limit 10 mW (W2) / Limit 25 mW (W2(868)).
- Communication Distance (Open Space):
- Hub: Up to 1,200 m (W2) / 2,000 m (W2(868)).
- Keyfob: Up to 500 m (W2) / 900 m (W2(868)).
- Door Detector: Up to 1,000 m (W2) / 1,200 m (W2(868)).
- PIR Detector: Up to 1,200 m (W2) / 1,600 m (W2(868)).
- Encryption: AES128.
- Frequency Hopping: Yes.
Network (Hub):- Network Mode: Ethernet and Wi-Fi.
- Network Port: 1 × RJ-45 10 M/100 M Ethernet port.
- Wi-Fi Standard: IEEE 802.11b/g/n.
- Network Protocols: TCP/IP, including PPTP, L2TP, DHCP, UPNP, and NTP.
Power (Hub): 12 V DC, 1.5 A (EU/UK/USA power adapters optional); built-in lithium battery provides up to 12 hours standby during power outages.
Kit Contents (DHI-ART-ARC3000H-03-W2):- 1 × Hub (Wireless Alarm Controller)
- 1 × Keyfob (4 buttons: Home, Away, Disarm, SOS)
- 1 × Door Detector (Reed switch, non-metal doors, movement distance < 40 mm)
- 1 × PIR Detector (Dual-element low-noise PIR sensor, 12 m detection range at 90°, install height 2.2 m, pet immunity ≤ 18 kg, 3-level adjustable sensitivity).
Environmental:- Operating Temperature: Hub: –10°C to +50°C; Keyfob/Door Detector/PIR Detector: –10°C to +55°C (indoor).
- Operating Humidity: 10%–90% RH.
Physical (Hub): 163.0 × 163.0 × 32.0 mm; Net Weight: 0.38 kg; Installation: Wall mount or desktop.
Key Specs: Dahua ART-ARC3000H-03-W2 Wireless Alarm Kit, 150-Peripheral Capacity (6 Sirens, 64 Keyfobs), Automatic Network Replenishment (ANR), SOS Emergency Call, Cloud Update with Auto-Recovery, Frequency Hopping, Two-Way AES128 Encryption, 433 MHz / 868 MHz Options, Up to 2,000 m Open-Space Range, Ethernet + Wi-Fi, 12 V DC Power with 12-Hour Battery Backup, Includes Hub + Keyfob + Door Detector + PIR Detector
Usage: Residential Intrusion Detection, Small Business Security, Apartment & Home Automation, Wireless Alarm System Integration, Remote Monitoring via Dahua App, and Any Installation Requiring a Scalable, Reliable Wireless Alarm Solution