FCC approval date: 05 June 2008
Interface: USB (non-standard connector)
WI1 chip1: Ralink RT2571W
For a list of all currently documented Ralink chipsets with specifications, see Ralink.
This module is may be for internal notebook/netbook use.
"M01-WUG20-D20" appears to be silkscreened on the board in the FCC photos.