Specification Product Name Zigbee3 0 USB Dongle PlusWireless Communication Frequency 2 4GHz 2 48GHzProtocol Support Zigbee3 0 Thread Bluetooth 5 2 LECommunication Distance Up to 400M unobstructed Working Temperature Range 10°C 40°CSignal strength dbm 18 6 Instrument testing Dimension 176 5 24 5 11mmFeatures 1 Pre Flashed Coordinating Firmware Ready to work as a Zigbee3 0 gateway for Home Assistant OpenHAB Zigbee3 02MQTT and other platforms directly out of the box 2 High Gain Rotatable Antenna Equipped with a detachable 5dBi antenna that rotates 360° maximizing signal reach with up to 20dBm output gain 3 Aluminum Housing Helps to effectively reduce signal interferences from surrounding peripherals 4 Firmware Upgradable Can be re flashed to function as a Zigbee3 0 router for enhanced network range scalability 5 Multi Platform Compatibility Connect up to 128 Zigbee3 0 devices across various smart home platforms Package Includes 1 x Zigbee3 0 USB Dongle Plus1 x Detachable High Gain Antenna1 x User Manual1 x Package Box