Looks like the HD-DTA model featured in that video is the Pace DC60Xu: »
www.pace.com/americas/pr ··· /dc60xu/ (Data sheet at »
www.pace.com/Documents/P ··· 60XU.pdf )
Apparently, an indicator for the manufacturer is contained at the end of the model number displayed on the lower-right corner of front panel: "HD-uDTA-X."
From also closely examining the pictures of models by Motorola »
www.motorola.com/staticf ··· 2011.pdf and Evolution Digital »
www.evolutionbb.com/cabl ··· 495.html , it appears that "X" is "P" for Pace, "M" for Motorola and "E" for Evolution.