Black Box WAP-300BGN

Overview
"EW-7415APN V1.0A" is silkscreened on the top of the board.
 * "1244-000000604-01Z" is silkscreened on the bottom of the board.

Links of Interest
Manual

Serial Pinouts
JP2 (TxD) (GND) (RxD) [3.3]