Netronix W420B

ViSTOR WFG-42, Netronix W420C

"37NB-W420B+410" and "REV:1.0" is silkscreened on the board in the FCC photos.

receiver sensitivity
 * 802.11b, -92 dBm @ 1Mbps (BPSK), -86 dBm @ 11Mbps (CCK)
 * 802.11g, -68 dBm @ 54Mbps