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Spectrum database/ Markets/Japan
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Japan

Regulator: MIC (Ministry of Internal Affairs and Communications)

Data updated: 2026-09

Operator spectrum share

Operator spectrum shareSoftBank 245 MHz (34.3%)NTT DOCOMO 195 MHz (27.3%)KDDI 145 MHz (20.3%)Rakuten 130 MHz (18.2%)715MHz
SoftBank 245 MHz · 34%NTT DOCOMO 195 MHz · 27%KDDI 145 MHz · 20%Rakuten 130 MHz · 18%

Licences by operator and band

OperatorBand DuplexMHz (one direction)
KDDI700 MHz (Band 28)FDD2×10
NTT DOCOMO700 MHz (Band 28)FDD2×10
Rakuten700 MHz (Band 28)FDD2×10
KDDI800 MHz Japan (Band 18)FDD2×10
NTT DOCOMO800 MHz Japan (Band 19)FDD2×15
SoftBank900 MHz (Band 8)FDD2×10
KDDI1800 MHz (Band 3)FDD2×10
NTT DOCOMO1800 MHz (Band 3)FDD2×15
Rakuten1800 MHz (Band 3)FDD2×10
SoftBank1800 MHz (Band 3)FDD2×20
KDDI2100 MHz (Band 1)FDD2×15
NTT DOCOMO2100 MHz (Band 1)FDD2×15
Rakuten2100 MHz (Band 1)FDD2×10
SoftBank2100 MHz (Band 1)FDD2×15
SoftBank2600 MHz TDD (Band 41)TDD100
KDDI3.4–3.8 GHz C-band (n78)TDD100
NTT DOCOMO3.4–3.8 GHz C-band (n78)TDD100
Rakuten3.4–3.8 GHz C-band (n78)TDD100
SoftBank3.4–3.8 GHz C-band (n78)TDD100
NTT DOCOMO4.9 GHz (n79)TDD40

Band plans

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

Low band plans (<1 GHz)

700 MHz (Band 28) 3GPP B28 · FDD
700 MHz (Band 28) band planNTT DOCOMO 10 MHz (758–773 MHz)NTT DOCOMO 10KDDI 10 MHz (773–788 MHz)KDDI 10Rakuten 10 MHz (788–803 MHz)Rakuten 10NTT DOCOMO 10 MHz (758–773 MHz)NTT DOCOMO 10KDDI 10 MHz (773–788 MHz)KDDI 10Rakuten 10 MHz (788–803 MHz)Rakuten 10DL 758–803 MHzUL 703–748 MHz
NTT DOCOMO 10 MHzKDDI 10 MHzRakuten 10 MHz
800 MHz Japan (Band 18) 3GPP B18 · FDD
800 MHz Japan (Band 18) band planKDDI 10 MHz (860–875 MHz)KDDI 10KDDI 10 MHz (860–875 MHz)KDDI 10DL 860–875 MHzUL 815–830 MHz
KDDI 10 MHz
800 MHz Japan (Band 19) 3GPP B19 · FDD
800 MHz Japan (Band 19) band planNTT DOCOMO 15 MHz (875–890 MHz)NTT DOCOMO 15NTT DOCOMO 15 MHz (875–890 MHz)NTT DOCOMO 15DL 875–890 MHzUL 830–845 MHz
NTT DOCOMO 15 MHz
900 MHz (Band 8) 3GPP B8 · FDD
900 MHz (Band 8) band planSoftBank 10 MHz (925–960 MHz)SoftBank 10SoftBank 10 MHz (925–960 MHz)SoftBank 10DL 925–960 MHzUL 880–915 MHz
SoftBank 10 MHz

Mid band plans (1–3 GHz)

1800 MHz (Band 3) 3GPP B3 · FDD
1800 MHz (Band 3) band planNTT DOCOMO 15 MHz (1805–1825 MHz)NTT DOCOMO 15KDDI 10 MHz (1825–1839 MHz)KDDI 10SoftBank 20 MHz (1839–1866 MHz)SoftBank 20Rakuten 10 MHz (1866–1880 MHz)Rakuten 10NTT DOCOMO 15 MHz (1805–1825 MHz)NTT DOCOMO 15KDDI 10 MHz (1825–1839 MHz)KDDI 10SoftBank 20 MHz (1839–1866 MHz)SoftBank 20Rakuten 10 MHz (1866–1880 MHz)Rakuten 10DL 1805–1880 MHzUL 1710–1785 MHz
NTT DOCOMO 15 MHzKDDI 10 MHzSoftBank 20 MHzRakuten 10 MHz
2100 MHz (Band 1) 3GPP B1 · FDD
2100 MHz (Band 1) band planNTT DOCOMO 15 MHz (2110–2126 MHz)NTT DOCOMO 15KDDI 15 MHz (2126–2143 MHz)KDDI 15SoftBank 15 MHz (2143–2159 MHz)SoftBank 15Rakuten 10 MHz (2159–2170 MHz)Rakuten 10NTT DOCOMO 15 MHz (2110–2126 MHz)NTT DOCOMO 15KDDI 15 MHz (2126–2143 MHz)KDDI 15SoftBank 15 MHz (2143–2159 MHz)SoftBank 15Rakuten 10 MHz (2159–2170 MHz)Rakuten 10DL 2110–2170 MHzUL 1920–1980 MHz
NTT DOCOMO 15 MHzKDDI 15 MHzSoftBank 15 MHzRakuten 10 MHz
2600 MHz TDD (Band 41) 3GPP B41 · TDD
2600 MHz TDD (Band 41) band planSoftBank 100 MHz (2496–2690 MHz)SoftBank 1002496–2690 MHz
SoftBank 100 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 planNTT DOCOMO 100 MHz (3300–3425 MHz)NTT DOCOMO 100KDDI 100 MHz (3425–3550 MHz)KDDI 100SoftBank 100 MHz (3550–3675 MHz)SoftBank 100Rakuten 100 MHz (3675–3800 MHz)Rakuten 1003300–3800 MHz
NTT DOCOMO 100 MHzKDDI 100 MHzSoftBank 100 MHzRakuten 100 MHz
4.9 GHz (n79) 3GPP n79 · TDD
4.9 GHz (n79) band planNTT DOCOMO 40 MHz (4800–5000 MHz)NTT DOCOMO 404800–5000 MHz
NTT DOCOMO 40 MHz

Auctions and market events

YearEventWinners / notes
20205G band assignments (3.7/4.5/28 GHz)DOCOMO, KDDI, SoftBank, Rakuten

Other markets in this region

🇨🇳 China🇰🇷 South Korea🇮🇳 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.