Check here: https://community.aqara.com/forum/faq-1/topic/how-to-connect-the-aqara-hub-to-the-network-78 (search for “Didier3L” and see the replies to his posts)
I really don’t know… I don’t use ZigBee (yet)
Check:
I have seen that many use: https://elelabs.com/products/elelabs_usb_adapter.html
and/or https://www.silabs.com/products/wireless/mesh-networking/telegesis-modules-gateways/etrx3-zigbee-usb-sticks
Also: note: EU Zigbee dongle - #137 by chris