They can use Cisco 7920 wireless voice-over-Internet Protocol phones to talk to the drivers or to mechanics back in the garage.

FORBES: The Indy 500 Goes Wireless

That relationship moves to a new level on Sunday, when two cars from the Red Bull Cheever Racing team compete in the Indianapolis 500, armed with a cutting-edge Internet Protocol-based wireless system that gives the entire team access to a wealth of real-time information and communications during the race.

FORBES: Magazine Article

The industry has now adapted the Wireless Application Protocol, or WAP, enabling companies to distribute Internet-ready information to wireless devices equipped to receive it.

CNN: GPS to do wonders for wireless browsing