Dahua Hub 4G/LTE/2GWIFI/LAN150CH/6 Sirens/64 PIR/8 KP/4 Repeaters 

• 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.
• Features voice call alarm.
• 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, Wi-Fi and 4G networks 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