The group's principal activities are to develop and implement mobile communications solutions for long-haul truck fleets, service vehicle fleets and other mobile-asset fleets, including integrated voice, data and position location services. The group provides mobile communications services through a wireless enhanced services network, which utilizes patented technology developed and owned by the group. The group provides services through contracts with certain telecommunications companies and 66 cellular carriers. The group's products and services are classified into two operating categories: minorplanet vehicle management information (vmi(tm)) and nsc systems. Nsc systems includes three separate product and service categories: truck fleet mobile communications, sbc service vehicles and mobile asset tracking. The group holds 42 United States and 16 foreign patents that cover certain key features of its network.