Z-Bee Duo. Modular CC2652P zigbee 3.0 adapter from Gio-dot on Tindie
ZBR1 – Zigbee board for Raspberry Pi from 2 Green Homes on Tindie
Amazon.com: SONOFF Zigbee 3.0 USB Dongle Plus Gateway, Universal Zigbee USB Gateway with Antenna for Home Assistant, Open HAB etc, Wireless Zigbee 3.0 USB Adapter(1 Pack) : Electronics
Phoscon - RaspBee Premium - The Raspberry Pi Zigbee gateway