NTT DoCoMo, Inc. is the predominant mobile phone operator in Japan. The name is officially an abbreviation of the phrase Do Communications Over the Mobile Network, but also means “everywhere” in Japanese.
DoCoMo was spun off from NTT in August 1991 to take over the mobile cellular operations. DoCoMo provides 2G (MOVA) PDC cellular services in 800 MHz and 1.5 GHz bands (total 34 MHz bandwidth), and 3G (FOMA) W-CDMA services in the 2 GHz (1945-1960 MHz) band. Its businesses also include PHS (Paldio), paging, and satellite. DoCoMo has announced that its PHS services will be phased out over the next few years.
DoCoMo provides phone, video phone (FOMA and Some PHS), i-mode (internet), and mail (i-mode mail, Short Mail, and SMS) services.
Sources
Wikipedia.com
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