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3G
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=== Data rates === ITU has not provided a clear<ref>{{cite web|title=3G Licensing Workshop (19β21 September 2001)|url=https://www.itu.int/osg/spu/ni/3G/workshop/|access-date=2021-06-17|website=www.itu.int}}</ref>{{vague|date=September 2013}} definition of the data rate that users can expect from 3G equipment or providers. Thus users sold 3G service may not be able to point to a standard and say that the rates it specifies are not being met. While stating in commentary that "it is expected that IMT-2000 will provide higher transmission rates: a minimum data rate of 2 Mbit/s for stationary or walking users, and 348 kbit/s in a moving vehicle,"<ref>{{cite web | title = Cellular Standards for the Third Generation | publisher = ITU | date=1 December 2005 | url = http://www.itu.int/osg/spu/imt-2000/technology.html#Cellular%20Standards%20for%20the%20Third%20Generation | archive-url = https://web.archive.org/web/20080524050117/http://www.itu.int/osg/spu/imt-2000/technology.html#Cellular%20Standards%20for%20the%20Third%20Generation | archive-date = 24 May 2008 }}</ref> the ITU does not actually clearly specify minimum required rates, nor required average rates, nor what modes{{clarify|date=September 2013}} of the interfaces qualify as 3G, so various{{vague|date=September 2013}} data rates are sold as '3G' in the market. In a market implementation, 3G downlink data speeds defined by telecom service providers vary depending on the underlying technology deployed; up to 384 kbit/s for UMTS (WCDMA), up to 7.2 Mbit/sec for HSPA, and a theoretical maximum of 21.1 Mbit/s for HSPA+ and 42.2 Mbit/s for DC-HSPA+ (technically 3.5G, but usually clubbed under the tradename of 3G).{{citation needed|date=April 2017}}
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