Dahua Technology
Alarm Hub2 DHI-ARC3800H-FW2
Alarm Hub2 DHI-ARC3800H-FW2
Couldn't load pickup availability
Overview
The Dahua Alarm Hub 2 DHI-ARC3800H-FW2 (868MHz) is an advanced wireless intrusion alarm controller designed for residential, commercial, and industrial security applications. Featuring Ethernet, Wi-Fi, and 4G cellular communication with dual SIM support, the hub provides reliable alarm transmission and continuous protection even when one network becomes unavailable.
The system supports up to 150 wireless peripherals and can integrate with up to 8 IP cameras for video verification. Built-in video storage, two-way communication, AES128 encryption, and frequency hopping technology ensure highly secure and stable operation. Through the DMSS and DoLynk Care applications, users can remotely arm, disarm, receive instant notifications, and monitor alarm events from anywhere.
Key Features
Why Choose Dahua Alarm Hub 2?
Reliable Multi-Network Connectivity
Ethernet, Wi-Fi and 4G communication with dual SIM backup ensure uninterrupted alarm transmission and continuous protection.
Expandable Security Platform
Support for 150 wireless devices makes the system ideal for homes, villas, offices, retail stores, warehouses and large commercial premises.
Video Verification
Connect up to eight IP cameras and receive alarm videos directly on the mobile application for faster event verification.
Advanced Wireless Security
Two-way communication, AES128 encryption and frequency hopping technology provide reliable and secure wireless transmission.
Remote Monitoring and Control
Users can arm, disarm, manage devices and receive instant alarm notifications through the DMSS mobile application.
Backup Power Protection
The built-in 4,750mAh rechargeable battery keeps the alarm system operational for up to 12 hours during power failures.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Type | Wireless Alarm Hub / Controller |
| Wireless Device Capacity | 150 Wireless Peripherals |
| Areas | 32 Areas (Rooms) |
| Network Modes | Ethernet, Wi-Fi and Cellular Network |
| SIM Support | Dual SIM (Single Active SIM) |
| Ethernet Port | 1 × RJ45 10/100 Mbps |
| IP Camera Support | 8 IPC Channels |
| Audio Output | 1 Channel |
| Voice Broadcast | Telephone and Local Speaker |
| SMS Alarm | Up to 5 Phone Numbers |
| Voice Call Alarm | Up to 5 Phone Numbers |
| Video Linkage | Supported |
| Offline Cache | 50 Alarm Messages |
| Arm/Disarm Methods | App, Keypad, Remote Control, Card, Scheduled Arming |
| User Management | 33 App Users + 32 Keypad Users |
| Event Logs | 5,000 Records |
| Transmission Protocol | SIA, SoftGuard |
| Wireless Frequency | 868.0 – 868.6 MHz |
| Communication Mechanism | Two-Way Wireless Communication |
| Communication Distance | Up to 2,000 m (Open Area) |
| Encryption | AES128 |
| Frequency Hopping | Supported |
| Wi-Fi Standard | IEEE 802.11 b/g/n |
| Wi-Fi Frequency | 2.4 GHz |
| Storage Battery | Built-in 4,750mAh Rechargeable Lithium Battery |
| Battery Backup | Up to 12 Hours |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Operating Temperature | -10°C to +55°C |
| Operating Humidity | 10%–90% RH |
| Installation | Desktop or Wall Mount |
| Dimensions | 174.8 × 174.8 × 38.3 mm |
| Net Weight | 510 g |
| Casing Material | PC + ABS |
| Certification | CE, EN50131 Grade 2 |
Applications
Share
Got questions? Email at info@ampletrails.com Call us 24/7! +91 9315441053, +91 9315441078, +91 9034757673
View full details
