Netgear WGM124

Overview
Per the manual, the default SSID is NETGEAR.

Links of Interest
On the DD-WRT forums (w/ internal shot)
 * "4900RM00C-1.6mm" is silkscreened on the board.
 * FWIXP420BB processor
 * 00:0F:B5 OUI on MAC labels affixed to the board

On the OpenWrt wiki