What's the mobile phone network in Seoul, Korea?

What's the mobile phone network in Seoul, Korea?
CDMA network, Japan's CDMA network is different from Korea's.

In Korea, there are 3 different mobile phone companies I think: Korea Telecom, SK Telecom and LG Telecom.
What's the mobile phone network in Seoul, Korea?
http://www.csoft.co.uk/nox8/coverage_list.pl?ISO=KR
i`m not sure. :)
but ur phone selects it automatic?!
http://www.csoft.co.uk/nox8/coverage_list.pl?ISO=KR
i`m not sure. :)
but ur phone selects it automatic?!
CDMA network.

Korean system don't use some kind of SIM card like GSM and You can't use your mobile phone from other country.

So if you wanna use mobile phone in korea you should rent for someday in the airport.