Dahua DHI-ARC3800H-FW2 Wireless Alarm Hub 2

ARC3800H-FW2

Dahua Wireless Alarm Hub 2

• Supports alarm video verification through IPC integration with the hub.
• Quick image transfer from the PIR-Cam to the device for remote monitoring.
• Voice call alarm feature for enhanced security notifications.
• Flexible network configuration: Supports wired and AP modes for easy app integration and network switching.
• Multi-network redundancy: Ensures a stable connection with Ethernet, Wi-Fi, and 4G support.
• Reliable two-way communication with frequency hopping for stable wireless peripheral connections.
• Cloud update support: Remotely update the device and peripherals via the mobile app.
• Dual backup system with auto recovery in case of update failure.

 

Specifications

Port

• Wireless Zone: Supports up to 150 wireless peripherals
  • 6 sirens
  • 64 PIR cameras (only 8 indoor PIR cameras)
  • 64 keyfobs
  • 8 keypads
  • 4 repeaters
• Network Mode: Ethernet, Wi-Fi, and Cellular (dual SIM support, one active at a time)
• Network Port: 1 × RJ-45, 10/100 Mbps Ethernet
• Storage Battery: Built-in 4,750 mAh rechargeable lithium battery

Video & Audio

• Video Input: 8-channel IPC (supports only alarm video uploads)
• Audio Output: 1 channel
• Volume Control: Yes
• Voice Broadcast: Supports telephone and local speaker

Function

• Indicator Light: Displays status for alarms, arming/disarming, network connection, and device failure
• Buttons: Reset button, voltage button, AP switch button
• SMS & Phone Call: Supports up to 5 phone numbers
• Video Linkage: Yes
• Offline Cache: Stores up to 50 alarm messages
• Arm & Disarm Methods: App, keyboard, remote control, card, scheduled arming/disarming
• Remote Update: Cloud update support
• Low Battery Detection: Yes
• Tamper Protection: Yes
• User Management:
  • 33 app users (31 general users, 1 admin, 1 installer)
  • 32 keypad users
• Logs Storage: Up to 5,000 entries
• Transmission Protocol: SIA, SoftGuard

Wireless

• Carrier Frequency: 433.1–434.6 MHz
• Transmitter Power (EIRP): Max 10 mW
• Communication Mechanism: Two-way
• Communication Distance: Up to 1,400 m (4593.18 ft) in open space
• Encryption Mode: AES128
• Frequency Hopping: Yes

General

• Supported Languages:
  • SMS: English, Spanish (Latin America), French, Italian, Arabic, Turkish, Danish (English is the default)
  • Alarm voice message & local speaker: English only
• Power Supply: 100–240 VAC, 50/60 Hz
• Standby Time: Up to 12 hours (when fully charged, connected to Wi-Fi, linked to alarm center, heartbeat interval of 1,800 sec, and connected to 8 peripherals & cloud)
• Power Consumption:
  • Max: 220 VAC 80 mA
  • Standby: 220 VAC 40 mA
• Operating Temperature:
  • Without battery charging: –10 °C to +55 °C (+14 °F to +131 °F)
  • With battery charging: 0 °C to +45 °C (+32°F to +113 °F)
• Operating Humidity: 10%–90% RH
• Product Dimensions: 174.8 × 174.8 × 38.3 mm (6.88" × 6.88" × 1.51")
• Net Weight: 510 g (1.12 lb)
• Gross Weight: 860 g (1.90 lb)
• Installation: Supports wall mount & desktop mount
• Casing Material: PC + ABS
• Certifications: CE
• Anti-Corrosion Level: Basic Protection
• Storage Temperature: –10 °C to +55 °C (+14 °F to +131 °F)
• Storage Humidity: 10%–90% RH
• Packaging Dimensions:
  • Inner Box: 254 × 211 × 61 mm (10.00" × 8.31" × 2.40")
  • Protective Case: 524 × 508 × 442 mm (20.63" × 20.00" × 17.40")

Wi-Fi

• Standard: IEEE 802.11b/g/n
• Frequency Range: 2400–2483.5 MHz
• Power Transmission: ≤20 dBm@2400-2483.5 MHz

Cellular Network

• Transmitter Power (EIRP):

  • EU:
    • 4G: Power class3: 23 dBm ±2 dB
    • 3G: Power class3: 24 dBm +1/-3 dB
    • 2G: Power class0: 30 dBm ±3 dB (GSM900)
    • 2G: Power class5: 33 dBm ±3 dB (GSM1800)
  • LM:
    • 4G: Power class3: 23 dBm ±2 dB
    • 3G: Power class3: 24 dBm +1/-3 dB
    • 2G: Power class0: 30 dBm ±3 dB (GSM850/900)
    • 2G: Power class5: 33 dBm ±3 dB (GSM1800/1900)

• 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: 1800/900 MHz
  • LM:
    • 4G:
      • FDD-LTE: B1/B2/B3/B4/B5/B7/B8/B28
      • TDD-LTE: B40
    • 3G:
      • WCDMA: B1/B2/B4/B5/B8
    • 2G:
      • GSM: 850/900/1800/1900 MHz