Linksys WRT54GC v1.0

"49000K00E" is silkscreened on the board. Presumably OEM SerComm

Specs
Platform Serial Num. = SIJ0 FCC ID = Q87-WRT54GC Industry Canada ID = ? CPU Type = Marvell Model? MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = Macronix MX29LV800BTTC-90 Flash Size = 1 MB Max Firmware Size = ? RAM Size = 4 MB RAM Chip = EtronTech EM636165TS-6 x 2 nvram Size = ? ETH chip1 = Marvell Model? 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 = 00:0F:66,00:18:39 boot_wait = ? bootloader = ? Flash Card Socket/Type = No SD/MMC Mod Support = No Expansion IF types = none specified PoE = No Power = 3.3 VDC, 2 A Connector type/size = Barrel plug LEDs/Color = ? Size = ? USB = No Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio Wireless Radio = Marvell Model? WLAN DSP processor = Marvell Model? Wireless interface OUI = 00:0F:66,00:18:39 Antenna Connector Type = 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 = 192.168.1.1 Default login user = admin Default login password = blank Default SSID = ? OEM = SerComm 3rd Party Firmware Support = ?

Pictures
FCCID Q87-WRT54GC