SK Telecom inaugurated its 4G LTE service in Seoul on July 1, 2011. The network will provide a maximum downlink speed of 75Mbps, which is five times faster than that of its 3G WCDMA network (HSUPA) and 1.9 times faster than Wibro that provides maximum downlink speed of 39.8Mbps and maximum uplink speed of 10Mbps. The network uses the 800 MHz band. The company plans to expand the frequency bandwidth for LTE from one-way 5MHz (at the time of service...
