ITead's "Sonoff Zigbee 3.0 USB Dongle Plus" (model "ZBDongle-P") based on Texas Instruments CC2652P +20dBm radio MCU now sold for $19.99

FYI, for discussing openHAB’s ZigBee Binding future support for Texas Instruments Z-Stack 3.0 and CC2652/CC1352 Zigbee Coordinator adapters (where there is no need for Zigbee2MQTT/MQTT), see:

https://community.openhab.org/t/discussion-about-texas-instruments-z-stack-3-0-and-cc2652-and-cc1352-zigbee-coordinator-adapters-with-openhab-zigbee-binding/129385