InterDigital, Inc., through its subsidiaries, engages in the design and development of digital wireless technologies and products for use in cellular and wireless IEEE 802 related products. The company licenses its technologies to semiconductor companies, and producers of wireless equipment and components, such as 2G, 2.5G, 3G, and IEEE 802 products worldwide. It also offers its SlimChip family of mobile broadband modem solutions to mobile device manufacturers, semiconductor companies, and other equipment producers that manufacture, use, and sell digital cellular products. InterDigitalÂ’s solutions are incorporated in various products, including mobile devices, such as cellular phones, wireless personal digital assistants and notebook computers, and personal computer memory card international association cards; base stations and other wireless infrastructure equipment; and components for wireless devices. The company was founded in 1972 and is headquartered in King of Prussia, Pennsylvania.