TP-LINK TL-WR741ND v3.1

150Mbps Wireless N Router Product page

This version was distributed in China. This device is presumed to have a 4MB Flash chip since it is capable of running OpenWrt.

On the OpenWrt wiki On the OpenWrt forums (dmesg output)

The FCC ID for the v3 models may be TE7WR741NDV2.