Siemens SpeedStream 6520 (060-N652-A22)

Overview
This device was used by Frontier Communications. It appears to be pictured as using a TNETD7300AGDW processor in the FCC photos.

The default SSID pattern for the device appears to be the unit's MAC address (upper case hex digits, no delimiters).
 * A sample SSID is 0013A39FA345 where the MAC on the label is 00:13:A3:9F:A3:45 and the BSSID is 00:13:A3:9F:A3:4B.

US: SSNDLNANN652

Links of Interest
On whirlpool.net.au