Linksys WRE54G v3.0

Per the FCC photos, the device does not use a barrel plug for power.

Specs
Platform Serial Num. = ? FCC ID = Q87-WRE54GV3 Industry Canada ID = 3839A-WRE54GV3 CPU Type = Marvell 88W8515 MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = SST 39VF800A Flash Size = 1 MB Max Firmware Size = ? RAM Size = 8 MB RAM Chip = ISSI IS42S32200C1-6T nvram Size = ? ETH chip1 = Marvell 88W8515 Switch = N/A Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 1-10/100-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 = none specified PoE = No Power = ? Connector type/size = A/C LEDs/Color = ? Size = ? USB = No Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio Wireless Radio = Marvell Model? WLAN DSP processor = Marvell 88W8515 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 = ? Default login user = ? Default login password = ? Default SSID = ? OEM = Gemtek WACM-125G v02 (WACM-125G_V00) 3rd Party Firmware Support = ?

Pictures
FCCID Q87-WRE54GV3