Netgear WGR614 2.0

For a list of all currently documented Atheros chipsets with specifications, see Atheros.

Product page

The same hardware appears to be used (according to TechInfoDepot and the DD-WRT forum post linked from there) for the WGT624v1 (minus Flash and RAM changes).

On the SeattleWireless wiki

On the DD-WRT forums (CPU part mentioned)

Specs
Platform Serial Num. = ? FCC ID = PY3WGR614V2 Industry Canada ID = 4054A-WGR614V2 CPU Type = Atheros AR2312A 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 AR2312A Switch = Marvell 88E6060 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 = none specified boot_wait = ? bootloader = ? Flash Card Socket/Type = ? SD/MMC Mod Support = ? Expansion IF types = ? PoE = ? Power = ? Connector type/size = Barrel plug LEDs/Color = ? Size = ? USB = ? Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio Wireless Radio = Atheros AR2112 WLAN DSP processor = Atheros AR2312A Wireless interface OUI = none specified 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 = 192.168.0.1 Default login user = admin Default login password = password Default SSID = ? OEM = ? 3rd Party Firmware Support = ?

Pictures
FCCID PY3WGR614V2