Linksys WAG54G v3.0

CPU is part TNETD7200ZDW (according to the OpenWrt wiki).

Probable OEM CyberTAN

Specs
Platform Serial Num. = ? FCC ID = Q87-WAG54GV3 Industry Canada ID = 3839A-WAG54GV3 CPU Type = Texas Instruments TNETD7200 MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = Intel JS28F640J3D75 Flash Size = 8 MB Max Firmware Size = ? RAM Size = 32 MB RAM Chip = Mira P2V56S40BTP nvram Size = ? ETH chip1 = Texas Instruments TNETD7200 Switch = Infineon ADM6996I Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 4-10/100-LAN Wired Standard = IEEE 802.3/3u Ethernet interface OUI = none specified boot_wait = ? bootloader = ? Flash Card Socket/Type = No SD/MMC Mod Support = No Expansion IF types = 1x Mini PCI PoE = No Power = 12 VDC, 1 A Connector type/size = Barrel plug LEDs/Color = ? Size = ? USB = No Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio WI1 module = unknown WI1 module IF = Mini PCI Wireless Radio = Texas Instruments TNETW3422 WLAN DSP processor = Texas Instruments TNETW1350A Wireless interface OUI = none specified Antenna Connector Type = U.FL, RP-SMA 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 = ? 3rd Party Firmware Support = ?

Pictures
FCCID Q87-WAG54GV3