upgraded MW to 1.30 - maybe things are slightly less broken
Appears to be manufactured by Wistron NeWeb. DNUB-C1 is the model mentioned on the sample label provided to the FCC.
Mostly (?) unsupported by brcmfmac. Although the AE1200 has a BCM43235 chipset, brcmfmac only supports revision 3 and up and many AE1200s use an earlier revision that is not supported.  However, some newer dongles may be supported (maybe they're using BCM43235B).