D4F CC2531 USB Stick with Antenna and Case (Flashed) Compatible with Zigbee2mqtt | New Firmware | Home Assistant | ioBroker | openHAB: Amazon.co.uk: Electronics & Photo
Zigbee Cc2531 Usb Dongle - Integrated Circuits - AliExpress
Free STL file Ti CC2531 Zigbee USB Stick Case with rounded edges・Design to download and 3D print・Cults