Aztech DSL5005EN

ADSL2+ 4-Ports 150Mbps Wireless-N Modem Router Product page
 * Manual on another site

"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...

On SpeedGuide.net