The curfew will run from midnight to 0600 when practice starts at 1000 on Fridays, and from 0100 to 0700 when practice starts at 1100 on a Saturday.

BBC: F1 drivers face tougher penalties

"That's obviously a concern, if Verizon can put together a converged service offering that starts to peel people away from cable operators, " said Mark Rowland, head of the wireless practice at IBB Consulting.

WSJ: Comcast, Time Warner Cable in Wireless Talks