Dahua DHI-ARC3000H-W2 – wireless alarm hub for 150 devices, Wi-Fi/LAN, 868 MHz

The Dahua DHI-ARC3000H-W2 is a wireless alarm hub from the ARC3 series, designed for apartments, houses, offices, and small commercial premises. It acts as the central communication node for the entire Dahua wireless alarm ecosystem, managed remotely via the DMSS or COS Pro mobile app. Communication with wireless peripherals takes place at 868 MHz using frequency-hopping technology and two-way AES128-encrypted transmission, ensuring stable and secure operation even in RF-congested environments.

Key features

• Wireless device capacity: up to 150 wireless peripherals (6 sirens, 64 wireless keyfobs, 4 repeaters, 8 keypads, 8 PIR cameras)
• Communication frequency: 868.0–868.6 MHz; range up to 2,000 m in open space
• Encryption: AES128, two-way communication, frequency hopping
• Network connectivity: 1 × RJ-45 10/100 Mbit/s Ethernet + dual-band Wi-Fi (2.4 GHz / 5 GHz)
• Backup power: built-in lithium battery, up to 12 hours standby
• Video linkage: supports up to 4 IPC cameras with live video push to the app upon alarm trigger
• Network protocols: TCP/IP, DHCP, PPTP, L2TP, UPnP, NTP
• Peripheral status display: signal strength, battery level, temperature, firmware version
• Automatic Network Replenishment (ANR) and cloud updates with automatic recovery from update failure
• Power supply: 12 V DC, 1.5 A (EU adapter included)
• Operating temperature: –10 °C to +50 °C (indoor installation)
• Operating humidity: 10–90% RH
• Dimensions: 163.0 × 163.0 × 32.0 mm; weight 0.38 kg
• Casing: PC + ABS; wall mount or desktop installation
• Certifications: CE

The DHI-ARC3000H-W2 is the ideal choice for installers and B2B customers seeking a reliable, easy-to-install, and remotely managed wireless alarm solution for small to medium-sized premises.