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Spectrum database/ Markets/South Korea
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South Korea

Regulator: MSIT (Ministry of Science and ICT)

Data updated: 2026-08

Operator spectrum share

Operator spectrum shareSKT 150 MHz (33.3%)KT 150 MHz (33.3%)LG Uplus 150 MHz (33.3%)450MHz
SKT 150 MHz · 33%KT 150 MHz · 33%LG Uplus 150 MHz · 33%

Licences by operator and band

OperatorBand DuplexMHz (one direction)
SKT850 MHz (Band 5)FDD2×10
KT900 MHz (Band 8)FDD2×10
LG Uplus900 MHz (Band 8)FDD2×10
KT1800 MHz (Band 3)FDD2×20
LG Uplus1800 MHz (Band 3)FDD2×20
SKT1800 MHz (Band 3)FDD2×20
KT2100 MHz (Band 1)FDD2×20
LG Uplus2100 MHz (Band 1)FDD2×20
SKT2100 MHz (Band 1)FDD2×20
KT3.4–3.8 GHz C-band (n78)TDD100
LG Uplus3.4–3.8 GHz C-band (n78)TDD100
SKT3.4–3.8 GHz C-band (n78)TDD100

Band plans

Charts are proportional layouts of each operator's holding within the band.

Low band plans (<1 GHz)

850 MHz (Band 5) 3GPP B5 · FDD
850 MHz (Band 5) band planSKT 10 MHz (869–894 MHz)SKT 10SKT 10 MHz (869–894 MHz)SKT 10DL 869–894 MHzUL 824–849 MHz
SKT 10 MHz
900 MHz (Band 8) 3GPP B8 · FDD
900 MHz (Band 8) band planKT 10 MHz (925–942 MHz)KT 10LG Uplus 10 MHz (942–960 MHz)LG Uplus 10KT 10 MHz (925–942 MHz)KT 10LG Uplus 10 MHz (942–960 MHz)LG Uplus 10DL 925–960 MHzUL 880–915 MHz
KT 10 MHzLG Uplus 10 MHz

Mid band plans (1–3 GHz)

1800 MHz (Band 3) 3GPP B3 · FDD
1800 MHz (Band 3) band planSKT 20 MHz (1805–1830 MHz)SKT 20KT 20 MHz (1830–1855 MHz)KT 20LG Uplus 20 MHz (1855–1880 MHz)LG Uplus 20SKT 20 MHz (1805–1830 MHz)SKT 20KT 20 MHz (1830–1855 MHz)KT 20LG Uplus 20 MHz (1855–1880 MHz)LG Uplus 20DL 1805–1880 MHzUL 1710–1785 MHz
SKT 20 MHzKT 20 MHzLG Uplus 20 MHz
2100 MHz (Band 1) 3GPP B1 · FDD
2100 MHz (Band 1) band planSKT 20 MHz (2110–2130 MHz)SKT 20KT 20 MHz (2130–2150 MHz)KT 20LG Uplus 20 MHz (2150–2170 MHz)LG Uplus 20SKT 20 MHz (2110–2130 MHz)SKT 20KT 20 MHz (2130–2150 MHz)KT 20LG Uplus 20 MHz (2150–2170 MHz)LG Uplus 20DL 2110–2170 MHzUL 1920–1980 MHz
SKT 20 MHzKT 20 MHzLG Uplus 20 MHz

High band plans (>3 GHz)

3.4–3.8 GHz C-band (n78) 3GPP n78 · TDD
3.4–3.8 GHz C-band (n78) band planSKT 100 MHz (3300–3467 MHz)SKT 100KT 100 MHz (3467–3633 MHz)KT 100LG Uplus 100 MHz (3633–3800 MHz)LG Uplus 1003300–3800 MHz
SKT 100 MHzKT 100 MHzLG Uplus 100 MHz

Auctions and market events

YearEventWinners / notes
20185G auction (3.42–3.72 GHz, 100 MHz each; 800 MHz each at 28 GHz)SKT, KT, LG U+

Other markets in this region

🇨🇳 China🇯🇵 Japan🇮🇳 India🇸🇬 Singapore🇹🇭 Thailand🇲🇾 Malaysia🇮🇩 Indonesia
Data is compiled from public regulator and operator sources and is indicative. Band-plan charts are proportional layouts unless marked as exact blocks. Always verify against the regulator's official publication before commercial use.