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Japanese blog Macotakara reports that Deputy Director of Research Huang Wenliang of China Unicom executive revealed in a presentation at this week's Macworld Asia that Apple's iPhone 5 will support HSPA+ technology. China Unicom is currently the exclusive iPhone carrier in China.
HSPA+ offers a theoretical peak download speeds of 21Mbps (up from 7.2 Mbps), which is marketed by many GSM carriers around the world as 4G technology.
The image below is from the presentation via PC Watch.