Data plans and fees differ between the two carriers (and are always subject to change), and the 3G cellular technology under the hood differs as well. (cnet.com)
This nifty device from Trakdot ($ 80) uses cellular technology to let you know its location at all times. (inc.com)
The Uconnect Access system utilizes embedded cellular technology in order to provide you with emergency and roadside assistance, remote door locking, and stolen vehicle location services. (suburbanchryslerdodgejeepramofannarbor.com)