Dahua · ARC3800H-FW2 · Wireless Alarm Hub · WiFi + 4G LTEAlarm HubDahua ARC3800H-FW2 Wireless Alarm Hub
The Dahua ARC3800H-FW2 is the central controller for Dahua wireless alarm systems, built for homes, retail stores, offices and commercial sites that need flexible communication and reliable backup connectivity. With Ethernet, WiFi and 4G LTE, it keeps your alarm connected even when one path drops, and pairs with up to 150 Dahua wireless accessories managed through the DMSS app.
Connectivity
WiFi · LAN · 4G
Multi-Path Communication
Ethernet, WiFi and 4G LTE keep the alarm reporting even if one connection becomes unavailable.
Encrypted Two-Way RF
AES128 encryption with frequency hopping helps protect signals between the hub and connected devices.
App Control via DMSS
Arm, disarm, manage devices and review events remotely through the Dahua DMSS app.
Expandable Platform
Supports up to 150 wireless peripherals — PIRs, PIR cameras, keyfobs, repeaters, sirens and keypads.
Specifications — ARC3800H-FW2
| Model |
ARC3800H-FW2 (DHI-ARC3800H-FW2) |
| Type |
Wireless Alarm Hub |
| Network |
Ethernet, WiFi and 4G LTE |
| Ethernet Port |
1 × RJ45 10/100 Mbps |
| SIM Support |
Dual SIM, single standby |
| Wireless Frequency |
433.1MHz – 434.6MHz, two-way RF |
| Encryption |
AES128, with frequency hopping |
| Wireless Peripherals |
Up to 150 (64 keyfobs, 64 PIR cameras, 6 sirens, 8 keypads, 4 repeaters) |
| Video Verification |
8-channel IPC alarm video upload |
| Notifications |
App push, SMS & phone call (up to 5 numbers) |
| Backup Battery |
4,750mAh lithium · up to 12h standby |
| App |
Dahua DMSS / COS Pro |
| Warranty (Australia) |
3 years · CCTV Guru Australia |
Downloads & Resources
Does the ARC3800H-FW2 support 4G LTE backup?
Yes. It supports Ethernet, WiFi and 4G LTE cellular communication.
What accessories can I pair?
Dahua wireless PIRs, PIR cameras, door contacts, sirens, keypads, repeaters and keyfobs — up to 150 devices.
Can I control it remotely?
Yes. The DMSS app handles remote arm/disarm, device management and event review.
Is this hub NDAA compliant?
No. Dahua products are not NDAA-compliant and are intended for residential and commercial use.
