Download offical drivers https://support.dlink.com/ProductInfo.aspx?m=DWA-182
add this to Makefile:
EXTRA_CFLAGS += -Wno-error=date-time
make && make install
Works on Kernel 5.5 - and probably 5.7 too
RTL88x2BU Realtek AC-1300 MiMo drivers linux