My Scruffersense says, "I have no earthly idea". All I know is there are tens of millions of units in-service now. Units or DOCSIS 3.0+ cable modems in service: (estimate) 65M+ = United States 8.5M+ = Sky in the UK, owned by Comcastrate 6.9M+ = Canada https://investorshub.advfn.com/boards/read_msg.aspx?message_id=152632145 Plus, all the back year units deployed. Probably over 100M total units deployed over the life of DOCSIS 3.0+ (so far). Net cost per unit = Hmmmmm? You're the doctorate, PhD, professor. ;-)