Cisco AIR-PI21AG-A-K9 v1

There are multiple revisions of the PI21AG...
 * 74-3482-01 - Made in Taiwan
 * Ambit Microsystems U58H035 (AR5212 + AR5112)
 * 74-3482-02 - Made in China
 * Ambit Microsystems U58H071 (AR5213 + AR5112)