FYI, ITead has now announced that they will be making a Sonoff branded Zigbee 3.0 USB dongle based on Silabs EFR32MG21 MCU. Update 2021-03-16: ITead has manufactured a limited production run and ar
SOLVED] How to setup the Sonoff Zigbee USB Dongle? - Installation
SONOFF ZB Dongle-P Zigbee 3.0 USB Dongle Plus Universal Zigbee
ITead Zigbee 3.0 USB dongle/stick/adapter based on Silicon Labs
SONOFF Zigbee 3.0 USB Dongle Plus-E Gateway, Universal Zigbee USB Gateway with Antenna for Home Assistant, Open HAB, Zigbee2MQTT Etc, Wireless
Sonoff Zigbee 3.0 USB Dongle Plus” model ZBDongle-P by ITead is
SONOFF ZB Dongle-P Zigbee 3.0 USB Dongle Plus Universal Zigbee
Sonoff Zigbee 3.0 USB Dongle Plus–ZBDongle-E - RobotShop
$7 ITEAD Zigbee 3.0 USB dongle features Silicon Labs EFR32MG21 MCU
Sonoff Zigbee 3.0 USB Dongle Plus - How to upgrade the firmware