EnGenius ESR-1221 EXT

Overview
"NSR-1221-0.10 LFP" is silkscreened on the board in the FCC photos.

The FCC documents imply there is a plain ESR-1221 model without an RP-SMA connector.

On the SureWest Customized model (ESR-1221 EXT (SureWest) printed on bottom), the default password is the device's mac address in lowercase without colons. for example, Username: admin Password: 00026f893ad1

Links of Interest
On the DD-WRT forums