NTT DoCoMo is a Japanese telecommunication giant that is part of the Nippon Telegraph and Telephone Corporation (NTT). DoCoMo is Japan's largest mobile network operator, offering mobile phones, internet services, and other telecommunications-related services. Founded in 1992, DoCoMo is the mobile arm of the NTT Group, which provides voice, data, and mobile services to more than 76 million customers in Japan.
DoCoMo provides a wide range of services including telecommunications, broadband internet services, online services, and mobile applications. DoCoMo's coverage area consists of nearly all of the major metropolitan areas in Japan. It has more than 12,000 base stations across the country, providing reliable coverage for voice and data services.
DoCoMo uses both GSM and the now-rare FOMA technology (IP Multimedia Subsystem - IMS) to deliver 3G, 4G/LTE and 5G services. It offers high-speed internet access with speeds up to 100 Mbps and is constantly rolling out new technologies to further enhance network speeds and services.