See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
Wireless N150 Mini AP/Router
"10011324" and "V1.0" is silkscreened on the board in the FCC photos.
The FCC schematics states the device uses a 4MB Flash chip (MX25L3206EM2I-12G) and a 32MB RAM chip (EM63A165TS-6G). This is assumed to be mostly correct.
Per the FCC manual, the default SSID is Tenda_XXXXXX (where XXXXXX is the last 6 digits of MAC).
The device has an unsoldered usb 2.0 port.
OpenWRT support is underway: http://wiki.openwrt.org/toh/tenda/a6