The model begin testing by Dish recently - Nov 2011; you can find historical data about FW versions in EKB and the DVR here.
FCC documents: search by FCC ID DKNTK421 here
The device tested had internal Seagate HDD and Seagate eSATA EHD, also with other USB EHD.
Some pictures is here.
Edited by P Smith, 04 December 2011 - 11:45 AM.