SmartRG SR505n

Overview
"PWB:T003PW0001C-G" and "DAT:2012.04.23" is silkscreened on the board in the FCC photos. A sticker with "MAC: 80A1D72215C3 T003G-V33" and "LS T0036219A-G B31-JX-001 20120629" is also affixed to the board in the internal photos.

The FCC manual notes the board ID as STV504W in the HTTP interface screenshots.

The OUI used in this entry (00:23:6A) is per a marketplace (eBay) label.