Linksys WCG200-CC v1 (Comcast)

From the unit shown below...
 * The S/N prefix is KBG4.
 * "3038-000120" and "CHE116W-D40(11)-0D" is silkscreened on the board.

The power adapter included with the device is a OEM AD-121ANDT (12VDC, 1A).