Linksys WRT320N v1

Overview

 * SupportPage (also mentions a v2.0 model)

"3763-20300103R" is silkscreened on the board in the FCC photos and "3763-20300104R" is silkscreened on the photos below on TechInfoDepot.
 * The device is presumably identical to the Linksys E2000.

The router has a single radio (i.e. not simultaneous dual-band).
 * WRT320N serial numbers appear to start with CUH0.

Links of Interest

 * Listed on the 'Linksys routers' page on Wikipedia
 * On the OpenWrt wiki