Zigbee Gateway Hub With Antenna Smart Home Bridge For Automation, Alexa &. Enhance Your Home Automation Experience with the Tuya ZigBee Gateway Hub, Designed to Seamlessly Integrate and Expand Your Smart Home Network. This Advanced Hub Comes Equipped with an External Antenna, Significantly Boosting the Connection Strength Between the Hub and Your ZigBee Devices, Covering a Radius of 30-50 Meters. Optimize Your Wi-Fi Connectivity by Connecting Up to 128 Tuya ZigBee Devices Through This Single Hub, Freeing Up Your Router for Better Internet Stability. As a Central Hub for Mesh Networking, It Ensures Stable Connections by Allowing Most ZigBee Devices to Act As Signal Repeaters, Thus Extending Your Network's Reach and Reliability. The Tuya ZigBee Gateway Hub Allows for Intelligent Scenario Linkages, Ensuring Your Smart Home Scenes Remain Operational Even if the Internet Goes Down. It's Compatible with Alexa and Google Assistant, Providing Hands-free Control and Integration Across Your Smart Devices. Features Summary: - External Antenna: +20dBi, 170mm for Expanded Signal Coverage. - Wide Coverage: Signal Radius of 30-50 Meters. - Device Capacity: Connect Up to 128 Tuya ZigBee Devices. - Mesh Networking: Provides a Stable Connection for All ZigBee Sub-devices. - Reliable Local Control: Functions Without an Internet Connection. - Smart Scenarios: Supports Smart Scenes and Automation. - Easy Installation: Simple Setup to Get Started Quickly. - Voice Control: Compatible with Alexa and Google Assistant. - - Input Power: DC5V 1A - Dimensions: 92mm X 92mm X 27mm - ZigBee Protocol: IEEE 802.15.4 - Wi-Fi Standard: IEEE 802.11b/g/n 150Mbps 2.4GHz Pack Includes: - 1 X ZigBee Gateway Hub - 1 X Network Cable - 1 X Instruction Manual - 1 X Power Cable Enjoy Seamless and Reliable Smart Home Automation with the Tuya ZigBee Gateway Hub..