Viettel Mobile - Vietnam

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Carrier
Viettel Mobile
Country
Vietnam Flag of Vietnam View country details


Viettel Mobile (Vietnam) uses 2 GSM bands, 2 UMTS bands, and 1 LTE band. Find out if your unlocked phone or mobile device will work with Viettel Mobile (Vietnam). See the tables below for details.

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Carrier website: http://www.vietteltelecom.vn/

Last updated: 2024/08/05 - See latest updates

Viettel Mobile is one of the major telecommunications networks in Vietnam, operated by the Viettel Group, a state-owned multinational conglomerate under the Vietnam Ministry of National Defence. Here are key points about Viettel Mobile:

  1. Market Share and Coverage:

    • Viettel Mobile has the largest market share in Vietnam, with a significant presence in the telecommunications market. It controls approximately 40.67% of the market share, followed by Vinaphone with 30%, and MobiFone with 17.9%.

  2. 5G and IoT Deployment:

    • Viettel has been at the forefront of 5G technology deployment in Vietnam. It successfully launched 5G services in Ho Chi Minh City, becoming the first city in Vietnam to have seamless 5G and IoT coverage. This achievement places Viettel among the first 50 network operators globally to deploy 5G technology without support from Chinese firms like Huawei and ZTE.

  3. Coverage Maps and Performance:

    • Detailed coverage maps for Viettel Mobile are available through apps like Opensignal and nPerf, which provide real-world data on network performance and coverage. These maps are updated regularly and reflect the actual user experience.

  4. Awards and Recognition:

    • Viettel Mobile has received several awards for its network performance. It won both the Core Consistent Quality and Excellent Consistent Quality awards, indicating that Viettel users experience the most consistent and high-quality mobile network experience in Vietnam.

  5. Expansion and Services:

    • Viettel Mobile operates in multiple countries, including Laos, Cambodia, Haiti, Mozambique, Peru, Tanzania, Timor-Leste, Cameroon, Burundi, and Myanmar, offering a range of telecommunications services.

  6. Technological Advancements:

    • In 2020, Viettel showcased a dummy model of an armed UAV, highlighting its involvement in defense technology. Additionally, it introduced its first domestically-developed 5G DFE chip, which is comparable in complexity to the Apple A7 SoC.

Viettel Mobile continues to be a significant player in the Vietnamese telecommunications market, known for its extensive coverage, technological advancements, and high-quality network performance.

Frequency Bands

GSM

Name Interface Description
900 MHz (E-GSM) GSM

Viettel Mobile Vietnam uses the GSM 900 MHz (E-GSM) frequency band. This band operates from 880 MHz to 960 MHz, with the uplink frequency range from 880 MHz to 915 MHz and the downlink range from 925 MHz to 960 MHz. The ARFCNs in this band range from 0 to 124 and 975 to 1023.
1800 MHz (DCS) GSM

Viettel Mobile Vietnam uses the GSM 1800 MHz (DCS) frequency band. This band is utilized for both uplink and downlink operations, with the uplink ranging from 1710 to 1785 MHz and the downlink ranging from 1805 to 1880 MHz. The deployment of this frequency band is part of Viettel's broader strategy to enhance its 4G and 5G network capabilities, aiming to improve the quality of its current services and transition to 5G technology.

UMTS

Name Interface Description
B1 (2100 MHz) UMTS

Viettel Mobile Vietnam uses the UMTS B1 (2100 MHz) frequency band. This band is widely used for 3G services and supports various networks. The deployment of this frequency band by Viettel Mobile Vietnam was part of its efforts to enhance 4G services, with the addition of around 10,000 4G base transceiver stations (BTS) in 15 provinces and cities. This upgrade aimed to improve the speed and capacity of its 4G network, making it one of the most advanced in Vietnam.
B2 (1900 MHz PCS) UMTS

Viettel Mobile Vietnam uses UMTS band B2 (1900 MHz PCS). This band is utilized for UMTS services.

LTE

Name Interface Description
B3 (1800 MHz +) LTE

Viettel Mobile Vietnam uses LTE Band 3 (1800 MHz +) for its 4G services. This frequency band was deployed in 2017 as part of the nationwide 4G LTE network rollout, which covered 95% of the population. The deployment included the installation of 36,000 base transceiver stations across the country, providing speeds between 30Mbps and 50Mbps.

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