SK Telecom

SK Telecom is a South Korean mobile phone operator controlled by the SK Group, one of the country's largest chaebol.

In October 2000, SK Telecom became the first operator in the world to launch a commercial 3G service using CDMA2000 technology. In January 2002, the followed this up by launching the world's first CDMA2000 1xEV-DO network, offering greatly increased data transmission speeds.