Buffalo WI-U2-300D

Overview
"2976450101" is silkscreened on the board in the FCC photos.

The USB ID used in this entry is per ZyXEL's driver set for the ZyXEL NWD6505‎.

Vendor links
On amazon.com.jp
 * ASIN: B00D696KQA, First available on: 2013-06-05, Price (as of 2013-08-16): ￥ 2,709 (~ 27.77 USD)