TP-LINK TL-WR720N

Overview
"1109232720-1.0" and "Rev:1.0sp2" is silkscreened on the board.
 * This device is assumed to use AR9331 based on specifications.

Note: There would seem to be a completely different device
 * with the TL-WR720N name sold in China.

That WR720N (CN product page) is an AP w/ integrated power supply
 * [similar in appearance to the TP-LINK TL-WR700N] /

USB micro-B PWR input, 3G capability (has a USB port),
 * and 1x WAN + 1x LAN ports.

Links of Interest

 * TP-LINK TL-WR720N on OpenWrt wiki

Pictures
Retail Images