Planet WAP-4000

Product page

This device is noted in the Global Sun GL2454AP-QA's FCC test report.. and looks pretty much identical to the LevelOne WAP-0003 in this DD-WRT forum thread (which has the GL2454AP-QA's FCC ID on its label).
 * There is no FCC ID on the WAP-4000's label.. but, per this, the FCC ID (and approval date) of the GL2454AP-QA has been assigned to this entry.

Additional external links
Images on NAG's site
 * "GL2454AP-QA0-"<...> and "VER:V1.0" is silkscreened on the board in this picture