Buffalo WZR2-G300N

Overview
OEM Gemtek WRTR-????

Per the manual, the default SSID may be the raw MAC address (i.e. XXXXXXXXXXXX).

Links of Interest
On the DD-WRT forums (images on pg. 4)

Manual

Serial Pinouts
_________ | | | 1 2 3 4 | |_________| ^ J8

1: 3V3 2: GND 3: RXD 4: TXD

Pictures
User Images