They use a several different providers as of this time. They do it over the air where they don't have service but I think that tthere are few places where there is no cell service along the highways these days.
This will replace the current APX radios. APX next will make the cellular switch more seamless along with more radio features. 1 feature is basic MDT functions for running Plates etc.
This will replace the current APX radios. APX next will make the cellular switch more seamless along with more radio features. 1 feature is basic MDT functions for running Plates etc.