See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
"GCBWLARL V1P0" and "2991S017-010009" is silkscreened on the board in the FCC photos.
~15-~17 dBm (CCK)
~10-~13 dBm (OFDM)
< -84 dBm @ 11Mbps (PER < 0.08)
< -70 dBm @ 54Mbps (PER < 0.08)