850 MHz (824.2 - 848.8 MHz Tx; 869.2 - 893.8 MHz Rx)
900 MHz (880-2 - 914.8 MHz Tx; 925.2 - 959.8 MHz Rx)
1800 MHz (1710.2 - 1784.8 MHz Tx; 1805.2 - 1879.8 MHz Rx)
1900 MHz (1850.2 - 1909.8 MHz Tx; 1930.2 - 1989.8 MHz Rx)
http://www.gsmworld.com/roaming/gsminfo/cou_hr.shtml