ReadyNet VWRT510

"G801_V3_1" appears to be silkscreened on the board in the FCC photos (along with addl. PCB text ["MS-ME198407", "94V-0", manuf. date / part lot, etc]).

This device is using a nuvoton audio chip.

The default IP is per the FCC manual.
 * The web interface shown in the manual looks rather similar (if not identical) to the DD-WRT interface.