AT&T's 3G Overhaul

5:55 PM -- AT&T Inc. (NYSE: T) says it will upgrade six more markets in the U.S. with High Speed Uplink Packet Access (HSUPA) in the next month to complement its 3G upgrade to its nationwide GSM-based network, completing the uplink upgrade to the 3G technology. (See AT&T Deploys Faster 3G Uplinks.)

HSUPA enables uplink speeds of between 500 and 800 Kbit/s, along with the downlink speeds of 1.4 Mbit/s offered by the general high-speed packet upgrade. Uplink speeds are becoming increasingly important to operators, as users want to use their phones to show off photos, videos, and music.

The upgrade comes just in time for the unveiling of the 3G iPhone, which is expected on the morning of June 9th. AT&T currently covers 275 markets with the HSPA upgrade.

Of course, there're always faster uplinks out there. Consider Vodafone Group plc (NYSE: VOD)'s new broadband service in London with 1 Mbit/s throughput. (See Vodafone's Blazin' 3G Upgrade.)

— Dan Jones, Site Editor, Unstrung

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