InterDigital, Inc., through its affiliated companies, specializes in the design and advancement of technologies that facilitate and improve wireless communications across major global regions, including the United States, China, South Korea, Japan, Taiwan, and Europe. The company furnishes technological solutions applicable to various digital cellular and general wireless products and networks, spanning generations from 2G through 5G, as well as those based on IEEE 802 standards. Its development efforts extend to foundational cellular technologies like CDMA, TDMA, OFDM/OFDMA, and MIMO, which are integral to wireless networks from 2G to 5G and to mobile terminal devices.