TRENDnet TEW-752DRU

"WRG-ND23" and "8WRGND23.1A1G" is silkscreened
 * on the board in the FCC photos.

Default settings (including SSID formats) are
 * per the FCC sample label and manual.

Pinout + gen. info
Debug pinout (starting from Power LED): Tx, GND, 3V3, NC, Rx The baud rate is 57600.