Belkin F5D7231-4 v1 (v1103ee)

High-Speed Mode Wireless G Router "3028-001424" and "28-000174" is silkscreened on the board.

On the DD-WRT forums (internal and label shots) On the DD-WRT wiki

Internals and label of an unknown F5D7231-4 version on this Baidu blog
 * Appears to share the same PCB as this version. The FCC ID on the label (PD5F5D72314) is under the Delta Networks grantee code (appears to be in error)

Label and mention of an unknown version on the DD-WRT forums
 * Same label as above