Belkin (My Essentials) ME1004-R

Internal photos on the DD-WRT forums (of the F5D7230-4 v6, which is identical)

The power adapter that came with the unit is an OEM AD-041A5. ID/OD measurements are approximate.

Specs
Platform Serial Num. = ? FCC ID = K7SF5D7230C Industry Canada ID = 3623A-F5D7230C CPU Type = Marvell 88W8510 MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = Macronix 29LV800CTTC-70G Flash Size = 1MB Max Firmware Size = ? RAM Size = 8 MB RAM Chip = EtronTech EM638165TS-6G nvram Size = ? ETH chip1 = ? Switch = ? Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = ? Wired Standard = IEEE 802.3? Ethernet interface OUI = 00:17:3F boot_wait = ? bootloader = ? Flash Card Socket/Type = ? SD/MMC Mod Support = ? Expansion IF types = ? PoE = ? Power = 4.5 VDC, 1.5 A Connector type/size = Barrel plug, 1.5 mm (ID), 4.2 mm (OD), ? mm (LEN) LEDs/Color = ? Size = ? USB = ? Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio Wireless Radio = Marvell 88W8010 WLAN DSP processor = Marvell 88W8510 Wireless interface OUI = 00:17:3F 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/ODM = SerComm (W300A-1.0MM) 3rd Party Firmware Support = ?