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While the GSM EDGE standard ("2.9G"), DECT cordless phones and Mobile Wi MAX standards formally also fulfill the IMT-2000 requirements and are approved as 3G standards by ITU, these are typically not branded 3G, and are based on completely different technologies.The following common standards comply with the IMT2000/3G standard: While DECT cordless phones and Mobile Wi MAX standards formally also fulfill the IMT-2000 requirements, they are not usually considered due to their rarity and unsuitability for usage with mobile phones.This is based on a set of standards used for mobile devices and mobile telecommunications use services and networks that comply with the International Mobile Telecommunications-2000 (IMT-2000) specifications by the International Telecommunication Union.3G finds application in wireless voice telephony, mobile Internet access, fixed wireless Internet access, video calls and mobile TV.

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The second 3G network operator in the USA was Verizon Wireless in July 2002 also on CDMA2000 1x EV-DO.Both the government and communication companies approved the 3G standard.The first pre-commercial 3G network was launched by NTT Do Co Mo in Japan in 1998, branded as FOMA.It was first available in May 2001 as a pre-release (test) of W-CDMA technology.The first commercial launch of 3G was also by NTT Do Co Mo in Japan on 1 October 2001, although it was initially somewhat limited in scope; The first European pre-commercial network was an UMTS network on the Isle of Man by Manx Telecom, the operator then owned by British Telecom, and the first commercial network (also UMTS based W-CDMA) in Europe was opened for business by Telenor in December 2001 with no commercial handsets and thus no paying customers.

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