Linksys BEFCMU10 v3

BEFCMU10v3 S/Ns may start with KBG4.

The FCC docs indicate this device is an Askey CME105-D40. The EUT's board is silkscreened with "3003-000763".

"ID:03-000013", "REV-1A", and "3003-001103" is silkscreened on a production model board.

Probable used PSU(s)
The power supply shown with the device in the FCC photos is a Delta Electronics ADP-12SB Rev.B.