The Dahua Alarm HUB 2 ARC3800H-FW2(868) Black is a completely new industrial design and advanced technological alarm system with 4G function, reliable communication and stable operation of the new generation of wireless alarm products. From the comfort of the mobile applications DMSS (for users) and COS Pro (for installers), receive real-time notifications, monitor and manage devices, perform remote operations and much more. The system offers the option to connect to the network via cable or WiFi. The Dahua alarm hub 2 can support 150 peripherals (6 sirens, 64 PIR cameras, 64 key fobs, 8 keypads and 4 repeaters).
Supports alarm video control via integration of the IPC with the hub.
Images can be transferred quickly and remotely from the PIR-Cam to the device.
Supports wired and AP network configuration methods, making it easier to add the hub to apps and switch to the hub's network.
Supports multi-network redundancy for Ethernet and Wi-Fi to ensure network stability and reliability.
Supports two-way communication and frequency hopping for stable and reliable communication with wireless peripherals.
Has cloud updates. You can also update the device and wireless peripherals remotely via the mobile app.
Specifications:
Gate
Wireless Zone
150 wireless peripherals (6 sirens, 64 PIR cameras (of which only 8 are indoor cameras), 64 keyfobs, 8 keypads and 4 repeaters)
Network mode
Ethernet, Wi-Fi and Mobile Network (Supports installation of dual SIM cards. Only one card can be enabled at a time)
Network port
1 RJ-45, 10 Mbps/100 Mbps Ethernet port
Storage battery
One built-in 4,750 mAh rechargeable lithium battery
Video & Audio
Video input
8 channel IPC, only supports alarm video upload
Audio output
1 channel
Volume control
Yes
Voice broadcast
Telephone and local speaker
Function
Indicator light
The indicator light shows the status of alarms, power on/off, network connection and device error
Button
Includes a reset button, voltage button and AP switch button
SMS
Yes (up to 5 phone numbers)
Phone conversation
Yes (up to 5 phone numbers)
Video linkage
Yes
Offline cache
Stores up to 50 alarm messages
Switch on and off
App, keyboard, remote control, card, scheduled switch on and off
Distance update
Cloud update
Low battery detection
Yes
Sabotage
Yes
User management
33 app users (31 general users, 1 administrator and 1 installer) and 32 keyboard users
Logs
Up to 5,000 entries
Transmission protocol
SIA, SoftGuard
Wireless
Carrier frequency
868.0–868.6 MHz
Transmitter Power (EIRP)
Limitation 25 mW
Communication mechanism
Two-way
Communication distance
Up to 2,000 m (6,561.68 ft) in open space
Encryption mode
AES128
Frequency hopping
Yes
General
Language
Up to 7 languages are supported for SMS: English, Spanish (Latin America), French, Italian, Arabic, Turkish and Danish. It is set to English by default. The alarm voice function and local speaker only support English.
Power supply
100–240 VAC, 50/60 Hz
Standby time
The battery lasts up to 12 hours when fully charged and meets the following conditions: It is connected to Wi-Fi, the ID is connected to the alarm receiving center, the heartbeat interval is 1,800 seconds, and it is connected to 8 peripherals and the cloud.
Power consumption
220 VAC 80 mA (max)
220 VAC 40 mA (standby)
Working temperature
When the battery is not charging: –10 °C to +55 °C (+14 °F to +131 °F)
When battery is charging: 0 °C to +45 °C (+32 °F to +113 °F)
Working humidity
10%–90% (RH)
Product dimensions
174.8 mm × 174.8 mm × 38.3 mm (6.88" × 6.88" × 1.51") (L × W × H)
Net weight
510g (1.12lb)
Gross weight
860g (1.90lb)
Installation
Supports wall mounting and desk installation
Housing material
PC+ABS
Certifications
CE
EN 50131-1:2006+A1:2009+A2:2017+A3:2020
EN 50131-3:2009
EN 50131-6:2017+A1:2021
EN 50131-5-3:2017
EN 50131-10: 2014
EN 50136-2: 2013+A1:2023
Security level 2
Environment Class II
ATS category: SP2/DP2
Anti-corrosion level
Basic protection
Storage time
–10 °C to +55 °C (+14 °F to +131 °F)
Storage humidity
10%–90% (RH)
Packaging dimensions
254 mm × 211 mm × 61 mm (10.00" × 8.31" × 2.40") (L × W × H), standing in the inner box
524 mm × 508 mm × 442 mm (20.63" × 20.00" × 17.40") (L × W × H), protective case
WiFi
Wi-Fi Standard
IEEE 802.11b/g/n
Wi-Fi Frequency Range
2400-2483.5MHz
Wi-Fi Power Transfer
≤20 dBm@2400-2483.5 MHz
Mobile Network
Transmitter Power (EIRP)
4G: Power class 3: 23 dBm±2dB
3G: Power class 3: 24 dBm+1/-3dB
2G: Power class 0: 30 dBm±3dB (GSM900)
Power class 5: 33 dBm±3dB (GSM1800)
Mobile Network Standard
GSM/WCDMA/LTE
Frequency range
EU:
4G:
FDD LTE: B1/B3/B7/B8/B20/B28A;
TDD LTE: B38/B40/B41;
3G:
WCDMA: B1/B8;
2G:
GSM: 1,800/900 MHz;
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