GL-AR150 router with extra USB wifi device

[wcs2228]

Netgear AC1200 A6210 should work with GL-MT3200N-V2 Mango:

RTL8821AU (AC600 Plus) on Mango?

It seems the Netgear AC1200 A6210 works on Mango with MediaTek chipset: https://hgot07.hatenablog.com/entry/2020/12/30/053604 Note type on the URL: A6210, not A6120