Yes, they are shipping that same 3600 HGV which I have from last year.

The representative that I spoke to yesterday to remove that modem from my order insisted that my old one will not work because "it will ask for a serial number during activation" and I don't believe this part.

He even said that "we will ship you the exact same model, will look exactly the same, will have the same color, everything will be the same except for the serial number, and your internet will not work if you use the old modem"