South Korea flag

South Korea mobile cellular frequency spectrum

Latest update
12 June 2026
Current spectrum allocation register

South Korea spectrum licence details

Current valid assignments with frequency boundaries, distribution scope, geographic footprint and licence validity.

22Current licences 7Spectrum layers
Operator Frequency band Uplink start Uplink end Downlink start Downlink end Total spectrum Regional / Nationwide Region Valid from Valid to
Unallocated 850 MHz 819 829 864 874 10 MHz Unallocated Unallocated Subscriber data Subscriber data
Unallocated 900 MHz 880 904.3 925 949.3 24.3 MHz Unallocated Unallocated Subscriber data Subscriber data
Unallocated 900 MHz 914.3 915 959.3 960 0.7 MHz Unallocated Unallocated Subscriber data Subscriber data
SK Telecom 1800 MHz 1715 1735 1810 1830 20 MHz Nationwide Nationwide Subscriber data Subscriber data
KT 1800 MHz 1755 1765 1850 1860 10 MHz Nationwide Nationwide Subscriber data Subscriber data