Features:Universal Zigbee 3.0 USB gateways, it can use zigbee home automation in home assistant or use Zigbee 2MQTT.Base on TI CC2652P+CP2002N, SMA interface external antenna, up to +20dBm output gain.Pre-flashed Z-Stark 3.x.0 coordinator firmware, you can also flash router firmware to extend network range.Premium materials, aluminum housing which can effectively reduces signal interference from peripherals.Widely used, the USB dongle can be used as a Zigbee 3.0 gateways in an open source automation platform to manage various sub-devices of various brands or flash router firmware to extend network range.for BASICZBR3, S31 Lite zb, SNZB01, SNZB02, SNZB03, SNZB04, ZBMINI, S26R2ZB etc. Specifications:Model: ZBDongle-PWorking Temperature: -10 - 40Input: for DC 5V(100mA Max)Wireelss Protocal: Zigbee 3.0Material: Aluminum Alloy+PlasticColor: Black Note:Please allow 1-2cm errors due to manual measurement, pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes:1x Zigbee 3.0 USB Dongle Plus1x Antenna1x User Manual