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Spectrum database/ Markets/Vietnam
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Vietnam

Data updated: 2026-10

2.6 GHz and 3.5 GHz were assigned in 2024 and 700 MHz in 2025, doubling mobile spectrum supply to about 680 MHz. By December 2025 Viettel had deployed roughly 30,000 5G base stations, reaching 90% outdoor and 70% indoor coverage. The national target is 99% population coverage by 2030.

Operator spectrum share

Operator spectrum shareViettel 250 MHz (43.9%)Vinaphone (VNPT) 150 MHz (26.3%)Mobifone 135 MHz (23.7%)Vietnamobile 20 MHz (3.5%)G-mobile 15 MHz (2.6%)570MHz
Viettel 250 MHz · 44%Vinaphone (VNPT) 150 MHz · 26%Mobifone 135 MHz · 24%Vietnamobile 20 MHz · 4%G-mobile 15 MHz · 3%

Licences by operator and band

OperatorBand DuplexMHz (one direction)
Viettel700 MHz (Band 28)FDD2×10
Vinaphone (VNPT)700 MHz (Band 28)FDD2×10
Vietnamobile900 MHz (Band 8)FDD2×5
Viettel900 MHz (Band 8)FDD2×5
Vinaphone (VNPT)900 MHz (Band 8)FDD2×5
G-mobile1800 MHz (Band 3)FDD2×15
Mobifone1800 MHz (Band 3)FDD2×20
Viettel1800 MHz (Band 3)FDD2×20
Vinaphone (VNPT)1800 MHz (Band 3)FDD2×20
Mobifone2100 MHz (Band 1)FDD2×15
Vietnamobile2100 MHz (Band 1)FDD2×15
Viettel2100 MHz (Band 1)FDD2×15
Vinaphone (VNPT)2100 MHz (Band 1)FDD2×15
Viettel2.5 GHz TDD (n41)TDD100
Mobifone3.4–3.8 GHz C-band (n78)TDD100
Viettel3.4–3.8 GHz C-band (n78)TDD100
Vinaphone (VNPT)3.4–3.8 GHz C-band (n78)TDD100

Band plans

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

Low band plans (<1 GHz)

700 MHz (Band 28) 3GPP B28 · FDD
700 MHz (Band 28) band planViettel 10 MHz (758–780 MHz)Viettel 10Vinaphone (VNPT) 10 MHz (780–803 MHz)Vinaphone (VNPT) 10Viettel 10 MHz (758–780 MHz)Viettel 10Vinaphone (VNPT) 10 MHz (780–803 MHz)Vinaphone (VNPT) 10DL 758–803 MHzUL 703–748 MHz
Viettel 10 MHzVinaphone (VNPT) 10 MHz
900 MHz (Band 8) 3GPP B8 · FDD
900 MHz (Band 8) band planViettel 5 MHz (925–937 MHz)Viettel 5Vinaphone (VNPT) 5 MHz (937–948 MHz)Vinaphone (VNPT) 5Vietnamobile 5 MHz (948–960 MHz)Vietnamobile 5Viettel 5 MHz (925–937 MHz)Viettel 5Vinaphone (VNPT) 5 MHz (937–948 MHz)Vinaphone (VNPT) 5Vietnamobile 5 MHz (948–960 MHz)Vietnamobile 5DL 925–960 MHzUL 880–915 MHz
Viettel 5 MHzVinaphone (VNPT) 5 MHzVietnamobile 5 MHz

Mid band plans (1–3 GHz)

1800 MHz (Band 3) 3GPP B3 · FDD
1800 MHz (Band 3) band planViettel 20 MHz (1805–1825 MHz)Viettel 20Vinaphone (VNPT) 20 MHz (1825–1845 MHz)Vinaphone (VNPT) 20Mobifone 20 MHz (1845–1865 MHz)Mobifone 20G-mobile 15 MHz (1865–1880 MHz)G-mobile 15Viettel 20 MHz (1805–1825 MHz)Viettel 20Vinaphone (VNPT) 20 MHz (1825–1845 MHz)Vinaphone (VNPT) 20Mobifone 20 MHz (1845–1865 MHz)Mobifone 20G-mobile 15 MHz (1865–1880 MHz)G-mobile 15DL 1805–1880 MHzUL 1710–1785 MHz
Viettel 20 MHzVinaphone (VNPT) 20 MHzMobifone 20 MHzG-mobile 15 MHz
2100 MHz (Band 1) 3GPP B1 · FDD
2100 MHz (Band 1) band planViettel 15 MHz (2110–2125 MHz)Viettel 15Vinaphone (VNPT) 15 MHz (2125–2140 MHz)Vinaphone (VNPT) 15Mobifone 15 MHz (2140–2155 MHz)Mobifone 15Vietnamobile 15 MHz (2155–2170 MHz)Vietnamobile 15Viettel 15 MHz (2110–2125 MHz)Viettel 15Vinaphone (VNPT) 15 MHz (2125–2140 MHz)Vinaphone (VNPT) 15Mobifone 15 MHz (2140–2155 MHz)Mobifone 15Vietnamobile 15 MHz (2155–2170 MHz)Vietnamobile 15DL 2110–2170 MHzUL 1920–1980 MHz
Viettel 15 MHzVinaphone (VNPT) 15 MHzMobifone 15 MHzVietnamobile 15 MHz
2.5 GHz TDD (n41) 3GPP n41 · TDD
2.5 GHz TDD (n41) band planViettel 100 MHz (2496–2690 MHz)Viettel 1002496–2690 MHz
Viettel 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 planViettel 100 MHz (3300–3467 MHz)Viettel 100Vinaphone (VNPT) 100 MHz (3467–3633 MHz)Vinaphone (VNPT) 100Mobifone 100 MHz (3633–3800 MHz)Mobifone 1003300–3800 MHz
Viettel 100 MHzVinaphone (VNPT) 100 MHzMobifone 100 MHz

Auctions and market events

YearEventWinners / notes
20242.6 GHz and 3.5 GHz auctions: Viettel won 2500–2600 MHz, VNPT 3700–3800 MHz and Mobifone 3800–3900 MHz; reserve prices were cut by up to 90% versus the unsuccessful 2023 auction of 2.3 GHzViettel, Vinaphone (VNPT), Mobifone
2025700 MHz auction: Viettel won the 713–723 MHz and 768–778 MHz blocks. The government offers operators a subsidy of up to 15% of base-station equipment cost, conditional on reaching 20,000 5G base stations by end-2025Viettel

Other markets in this region

🇹🇳 ChinađŸ‡ŻđŸ‡” JapanđŸ‡°đŸ‡· South Korea🇼🇳 India🇾🇬 SingapoređŸ‡č🇭 ThailandđŸ‡ČđŸ‡Ÿ MalaysiađŸ‡źđŸ‡© 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.