Specification Brand EWELINKModel ZBDongleWorking Temperature 10°C to 40°CInput DC 5V 100mA Max Wireless Zigbee3 0Dimensions 75×25 5×13 5mmOutput Power 20dBm Max 5dBi High Gain Detachable AntennaFeatures 1 Versatile Compatibility Supports a wide range of smart home platforms including Home Assistant ZHA Zigbee2MQTT and OpenHAB 2 Enhanced Signal Reach Includes a rotatable antenna with 20dBm output gain for better signal coverage 3 High Performance Chipset Built on the EFR32MG21 chipset ensuring efficient and reliable performance 4 Improved Communication Reliability Incorporates software flow control to mitigate data congestion and enhance connectivity 5 Broad Device Support Functions as a Zigbee3 0 gateway to manage various sub devices from different manufacturers seamlessly Package Include 1 x Zigbee3 0 USB Dongle Adapter1 x Rotatable antenna