Features:1. Enhanced Connectivity: Enjoy a reliable wireless range with 20dBm output gain and up to 400m line-of-sight communication, providing solid coverage for your smart home devices across different rooms and floors.2. Ready Out of the Box: Pre-loaded with the latest Z-Stack 3.x.0 firmware, this Zigbee 3.0 USB dongle works immediately. It also supports router firmware updates to improve network coverage and compatibility with a wide range of smart home devices.3. Broad Protocol Compatibility: Designed for versatility, it integrates seamlessly with major smart home platforms including Home Assistant ZHA, Zigbee2MQTT, OpenHAB, and OpenWrt HassIO. A great tool for building or expanding a flexible smart home ecosystem.4. Stable and Secure Communication: Built-in ESD protection and software flow control ensure safe and consistent data transmission, helping prevent data loss and communication errors in dense smart home networks.5. Robust Build Quality: Housed in an aluminum casing, the dongle minimizes signal interference from nearby electronics, enhancing signal quality and protecting internal components for longer device life.Product Details:Specifications:- Color: Black- Material: ABS Plastic- Output Power: 20dBm- Range: 400m (line-of-sight)- Chipset: Z-Stack 3.x.0- Interface: USB- Protocol: Zigbee 3.0