TP-LINK TL-WR702N v1.0

Product page

"2050500200" and "Rev:1.0" is silkscreened on the board of a few production model units.. as well as the FCC EUT.
 * The same text is found on the Proware PW-RN401M EUT in its FCC filing.

Additional external links

 * On the OpenWrt wiki
 * newer revision units may have only 8 MB of RAM