E-TOP WU606n

Overview
"EPMBWU606NXXX1X" is silkscreened on the board in the FCC photos.

Rebadged by Amigo as the Amigo WU606n.

TRANSMIT POWER 802.11b: 18 dBm @11 Mbps (Typical) 802.11g: 15 dBm @ 54 Mbps (Typical) RECEIVE SENSITIVITY 802.11b: -83 dBm @11 Mbps (Typical) 802.11g: -70 dBm @ 54 Mbps (Typical)

May also be known as the Sapido AU-4912