US Patent 6862443 Remote communication system for use with a vehicle

This invention relates to a remote communication system for use with a vehicle, comprising a first communication unit (1), located within a vehicle (2), said first communication unit comprising a first transceiver (3), connectable with a long-distance wireless communication network (16), such as a cellular network; and a portable second communication unit (7), comprising a second transceiver (9), connectable with a unit for long-distance wireless communication (14), such as a cellular terminal. The first and second communication units (1,7) are connectable with each other using said long-distance wireless communication network 16, thereby establishing a remote two-way communication link between said communication units.