Belkin F5D7230-4 v5xxx

Per the FCC 'user manual', the chip used is the AR2315.

Specs
Platform Serial Num. = ? FCC ID = RAXWG4005FB Industry Canada ID = 4711A-WG4005FB CPU Type = Atheros AR2315 MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = ? Flash Size = 2MB Max Firmware Size = ? RAM Size = 8 MB RAM Chip = ? nvram Size = ? ETH chip1 = Atheros AR2315 Switch = IC+ Model? Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 1-10/100-WAN 4-10/100-LAN Wired Standard = IEEE 802.3/3u Ethernet interface OUI = 00:15:50 boot_wait = ? bootloader = ? Flash Card Socket/Type = ? SD/MMC Mod Support = ? Expansion IF types = ? PoE = ? Power = ? Connector type/size = ? LEDs/Color = ? Size = ? USB = ? Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio Wireless Radio = ? WLAN DSP processor = Atheros AR2315 Wireless interface OUI = 00:15:50 Antenna Connector Type = none MIMO status = ? Wireless Standard = IEEE 802.11b/g 802.11g = 6, 9, 12, 18, 24, 36, 48, 54 Mbps 802.11b = 1, 2, 5.5, 11 Mbps WiFi Operating Frequency = 2.4 GHz Radio cor_rev = ? Radio Capabilities = ? Other Default IP address = ? Default login user = ? Default login password = ? Default SSID = ? OEM = Arcadyan WG4005FB 3rd Party Firmware Support = ?

Links of Interest

 * Belkin F5D7230-4 series on SeattleWireless
 * Mention on the DD-WRT forums

Pictures
FCCID RAXWG4005FB