Aztech DSL5005EN

Overview
"250-543200-202" appears to be silkscreened on the board in the FCC photos.

Default settings are per the FCC manual.
 * The default SSID pattern (or at least one of them) appears to be Aztech5005_XXXX, where XXXX is the last 4 digits (upper case letters) of the BSSID.
 * Presumed 00:26:75 OUI from WiGLE data...

Links of Interest

 * Manual on another site
 * On SpeedGuide.net