Rosewill RNX-N300RT

Overview
"2050500136", "Rev:1.0" is silkscreened on the board.
 * OEM: TP-LINK, similar to TP-LINK TL-WR841ND v7.x

Links of Interest

 * On the DD-WRT forums, with zipped high-res image which has
 * been uploaded below, as of 4/21 official support has been added

Pictures
Retail Images