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Dahua Wireless Alarm Hub 2

> 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.

  • Specifications
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    Wireless Zone

    150 channels wireless peripherals (6 sirens, 64 PIR cameras(only 8 indoor PIR cameras), 64 keyfobs, 8 keypads and 4 repeaters)

    Network Mode

    Ethernet and Wi-Fi

    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-ch IPC, which only supports the upload of alarm videos.

    Audio Output

    1 channel

    Volume Control


    Voice Broadcast

    Local speaker


    Indicator Light

    The indicator indicates the status of alarms, arming and disarming, the network connection and device failure.


    Includes a reset button, voltage button and AP switch button.

    Video Linkage


    Offline Cache

    Stores up to 50 alarm messages.

    Arm and Disarm

    App, keyboard, remote control, card, scheduled arming and disarming.

    Remote Update

    Cloud update

    Low Battery Detection




    User Management

    33 app users (31 general users, 1 admin user and 1 installer) and 32 keypad users


    Up to 5, 000 entries

    Transmission Protocol

    SIA, SoftGuard


    Carrier Frequency

    868.0–868.6 MHz

    Transmitter Power (EIRP)

    Limit 25 mW

    Communication Mechanism


    Communication Distance

    Up to 2,000 m (6,561.68 ft) in an open space.

    Encryption Mode


    Frequency Hopping





    Power Supply

    100–240 VAC, 50/60 Hz

    Standby Time

    The battery lasts up to 12 hours when it is fully charged and is within the following conditions: It is connected to the Wi-Fi, its 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

    ≤12 W

    Operating Temperature

    When 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)

    Operating 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

    510 g (1.12 lb)

    Gross Weight

    860 g (1.90 lb)


    Supports wall mount and desktop mount installation.

    Casing Material

    PC + ABS



    Anti-corrosion Level

    Basic Protection

    Storage Temperature

    –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), standalone in the inner box

    524 mm × 508 mm × 442 mm (20.63” × 20.00” × 17.40“) (L × W × H), protective case


    Wi-Fi Standard

    IEEE 802.11b/g/n

    Wi-Fi Frequency Range

    2400-2483.5 MHz

    Wi-Fi Power Transmission

    ≤20 dBm@2400-2483.5 MHz