WatchGuard Firebox SOHO 6 (BF4S16E5W)

Overview
"MADE IN TAIWAN" and "NEE 2M E98524" is silkscreened on the board in the FCC photos.
 * SerComm is the (very) likely OEM.

Wi-Fi Planet review
 * 150MHz Brecis processor
 * 16MB RAM

More specifications
 * Brecis MSP2000 (150MHz)
 * 4MB Flash
 * 16MB RAM

Default settings are per the FCC manual.
 * The default SSID is specified as the device's (5-digit) serial number. The first 4 digits are the product code and are not part of the SSID.
 * Hex digits? may be lower case letters, if so

The FCC test report specifies the power supply as an EPA-121DA-12 (12VDC, 1A).