Dahua Alarm Hub 2 Kit WiFi (Hub+PIR+Keyfob+Door) ARC3800H-03-W2

Order Code: 28275

Order Code: 28275

Stock Level: Good

Price €329.₀₀

Promo Price(Online only) €209.₀₀until 31/12/2025

Supports alarm video verification through integration of the IPC with the hub.
Images can be remotely and quickly transferred from the PIR-Cam to the device.
Supports wired and AP network configuration methods, which makes it easier to add the hub to apps and to switch to the hub's network.
Supports multi-network redundancy for Ethernet and Wi-Fi to ensure the network remains stable and reliable.
Supports two-way communication and frequency hopping to make communication with wireless peripherals stable and reliable.
Features cloud update. You can also remotely update the device and wireless peripherals on the mobile app.
Offers a dual backup system, and uses auto recovery when an update fails.

Port

Wireless Zone
Hub: 150 channels for wireless peripherals (6 sirens, 64 PIR cameras (only 8 indoor PIR cameras), 64 keyfobs, 8 keypads, 4 repeaters)
Network Mode : Hub: Ethernet and Wi-Fi
Network Port : Hub: 1 RJ-45, 10 Mbps/100 Mbps Ethernet port
Storage Battery : Hub: One built-in 4,750 mAh rechargeable lithium battery

Video & Audio

Function

Indicator Light : Hub: Status of alarms, arming/disarming, network, device failure / Keyfob: 1 dual-color status indicator (Green = normal, Red = abnormal) / Door Detector: 1 green alarm indicator / PIR Detector: 1 green alarm indicator
Button : Hub: Reset button, voltage button, AP switch button / Keyfob: 4 buttons (Home, Away, Disarm, SOS) / Door Detector: 1 power switch / PIR Detector: 1 power switch
Video Linkage : Hub: Yes
Offline Cache : Hub: Up to 50 alarm messages
Arm & Disarm : Hub: App, Keypad, remote control, card, scheduled arming/disarming
Remote Update : All: Cloud update
Low Battery Detection : All: Yes
Tamper : Hub: Yes / Door Detector: Yes / PIR Detector: Yes
User Management : Hub: 33 app users (31 general, 1 admin, 1 installer) and 32 keypad users
Logs : Hub: Up to 5,000 entries
Measuring Range (Temperature) : Door Detector: –15 °C to +65 °C (+5 °F to +149 °F) (indoor) / PIR Detector: –15 °C to +65 °C (+5 °F to +149 °F) (indoor)
Transmission Protocol : Hub: SIA, SoftGuard

Technical

Sensor : Door Detector: Reed switch / PIR Detector: Dual-element low-noise PIR sensor
Detection Mode : PIR Detector: PIR
Sensitivity : PIR Detector: 3 levels adjustable
Detection Range : PIR Detector: 12 m (39.37 ft) (90°) at 2.2 m (7.21 ft) installation height
Detection Speed : PIR Detector: 0.3 m/s–3 m/s (0.98 ft/s–9.84 ft/s)
Movement Distance : Door Detector: < 40 mm (1.57")
Pet Immunity Level : PIR Detector: ≤18 kg (39.68 lb)
White Light Resistance Level : PIR Detector: 2000 lx
Two-way Digital Temperature Compensation : PIR Detector: Yes (no attenuation in high temperature)
Scenario : Door Detector: Non-metal doors

Wireless

Carrier Frequency : All: 433.1 MHz–434.6 MHz
Transmitter Power (EIRP) : All: ≤10 mW
Communication Mechanism : All: Two-way
Communication Distance (open space) : Hub: Up to 1,400 m (4593.18 ft) / Keyfob: Up to 500 m (1640.42 ft) / Door Detector: Up to 1,000 m (3280.84 ft) / PIR Detector: Up to 1,200 m (3937.01 ft)
Encryption Mode : All: AES128
Frequency Hopping : All: Yes

General

Language : Hub: English
Power Supply : Hub: 100-240 VAC, 50/60 Hz / Keyfob: CR2032 battery / Door Detector: CR123A battery / PIR Detector: CR123A battery
Standby Time : Hub: Up to 12 hours (Wi-Fi connected, alarm center linked, 1,800s heartbeat, 8 peripherals) / Keyfob: 3 years / Door Detector: 4 years / PIR Detector: 4 years
Power Consumption : Hub: 220 VAC 80 mA (Max), 220 VAC 40 mA (Standby) / Keyfob: 40 mA (Max), 0.5 µA (Standby) / Door Detector: 42 mA (Max), 29 µA (Standby) / PIR Detector: 44 mA (Max), 34 µA (Standby)
Operating Temperature : All: –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
Operating Humidity : All: 10%–90% RH
Product Dimensions (L × W × H) : Hub: 174.8 × 174.8 × 38.3 mm (6.88" × 6.88" × 1.51") / Keyfob: 60.0 × 39.5 × 15.0 mm (2.36" × 1.56" × 0.59") / Door Detector: 100.2 × 20.8 × 20.3 mm (3.94" × 0.82" × 0.80") / PIR Detector: 104.0 × 60.0 × 50.0 mm (4.09" × 2.36" × 1.97")
Net Weight : Hub: 510 g (1.12 lb) / Keyfob: 20 g (0.04 lb) / Door Detector: 70 g (0.15 lb) / PIR Detector: 100 g (0.22 lb)
Gross Weight : Kit: 1.46 kg (3.22 lb)
Installation : Hub: Wall mount / Desktop mount / Door Detector: Bracket mount / PIR Detector: Wall mount
Casing Material : All: PC + ABS
Certifications : All: CE
Anti-corrosion Level : Basic protection
Storage Temperature : All: –10 °C to +55 °C (+14 °F to +131 °F)
Storage Humidity : All: 10%–90% RH
Packaging Dimensions (L × W × H) : Kit: 270 × 218 × 122 mm (10.63" × 8.58" × 4.80")