Linksys WRVS4400N v1.1

Overview
The STR9109 appears to handle the WLAN while the STR9202 handles the Ethernet interfaces. Per this thread on the OpenWrt forums, the STR9109 has access to 32MB RAM and the STR9202 has access to 64MB RAM.

The wireless module is a SerComm device, board ID YBW10A-1.0MM.

The manual on the Cisco-Linksys site says the default SSID is 'ciscosb'. The manual in the FCC documents says the default SSID is 'linksys-n'.

Links of Interest
Administration guide

Shell access on the WRVS4400N (linked from here on the DD-WRT forums) 'stable Firmware for WRVS4400N with working IPv6' on the Linksys forums links to the firmware here