InterDigital, Inc. designs and develops technologies for wireless communications. The Company is focused on three technology areas: cellular wireless technology, Internet of things (IoT) technology, and, through its Hillcrest Laboratories, Inc. (Hillcrest Labs) subsidiary, sensor and sensor fusion technology. It offers a range of technologies that are used in digital cellular and wireless products and networks, including second generation (2G), third generation (3G), fourth generation (4G) and IEEE 802-related products and networks. Products incorporating its inventions include mobile devices, such as cellular phones, tablets, notebook computers and wireless personal digital assistants; wireless infrastructure equipment, such as base stations; components, dongles and modules for wireless devices, and IoT devices and software platforms. The Company is developing a range of technologies in the areas of video compression and delivery, security, analytics, and other areas.