TP-LINK TL-WR941ND v1.0


 * Product page

There are multiple revisions of this device. The Flash amount seems to be the principal difference between the versions.

On the OpenWrt wiki (serial pinout, pictures, etc)

The TL-WR941N is identical to the TL-WR941ND aside from the antenna configuration. The TL-WR941ND has RP-SMA connectors for the 3 antennas. The TL-WR941N has integral antennas.