Chunghwa Telecom - Taiwan

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Chunghwa Telecom
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Taiwan Flag of Taiwan View country details


Chunghwa Telecom (Taiwan) uses 1 UMTS band, 4 LTE bands, and 2 5G NR bands. Find out if your unlocked phone or mobile device will work with Chunghwa Telecom (Taiwan). See the tables below for details.

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Carrier website: http://www.emome.net

Last updated: 2024/08/04 - See latest updates

Chunghwa Telecom Taiwan operates a comprehensive mobile network that provides a range of services. Here are some key details about their mobile network:

  1. Frequency Bands:

    • 2100 MHz: This frequency is used for both NR (5G) and HSPA+ (4G) technologies, with a bandwidth of 2x20 MHz. The NR deployment is ongoing.
    • 900 MHz: This frequency is used for LTE-A (4G) with a bandwidth of 2x20 MHz, providing supplemental coverage in areas where other frequencies are weak or non-existent. Some of this bandwidth was acquired through a trade with Asia Pacific Telecom in 2022.
    • 1800 MHz: This frequency is the main LTE-A band for most services, with a bandwidth of 2x10 MHz + 2x20 MHz.
    • 2600 MHz: This frequency is used for LTE-A with a bandwidth of 2x20 MHz + 2x10 MHz, providing supplemental network capacity in certain areas.
    • 3.5 GHz: This frequency is used for NR (5G) with a bandwidth of 90 MHz, and deployment is in progress.
    • 28 GHz: This frequency is used for NR (5G) with a bandwidth of 600 MHz, recently acquired in a spectrum auction in early 2020.

  2. Services:

    • Chunghwa Telecom offers a variety of mobile services, including domestic and international fixed communication, mobile communication, broadband, and internet services.
    • The company also provides information and communication technology services, such as big data, information security, cloud computing, and IDC capabilities. Additionally, it is expanding into innovative technology services like IoT and AI.

  3. Subsidiaries:

    • Chunghwa Telecom has several subsidiaries that support its mobile network operations, including Senao International Co., Ltd., Light Era Development Co., Donghwa Telecom Co., Ltd., and others.

  4. Innovative Initiatives:

    • In 2020, Chunghwa Telecom launched Taiwan's first 5G NR network on June 30, 2020, and introduced a Cloud Gaming service as part of its 5G package, developed in cooperation with Gamestream and Intel.
    • The company has also been recognized for its sustainability efforts, being selected as a member of the 2022 Dow Jones Sustainability Indices (DJSI) - World Index and Emerging Markets Index, and awarded a Top 5% S&P Global ESG Score in the Sustainability Yearbook 2023 for the Telecommunications group.

Overall, Chunghwa Telecom Taiwan's mobile network is well-equipped to provide a wide range of services, leveraging advanced technologies and innovative initiatives to enhance user experience and digital connectivity.

Frequency Bands

UMTS

Name Interface Description
B1 (2100 MHz) UMTS

Chunghwa Telecom Taiwan uses the UMTS band B1 (2100 MHz). This frequency band supports both NR and UMTS/HSPA since June 2020, with NR deployment in progress.

Supported UMTS Protocols

Name Generation
UMTS 3G
HSPA+ 3.5G (4G speed)

LTE

Name Interface Description
B3 (1800 MHz +) LTE

Chunghwa Telecom Taiwan uses LTE B3 (1800 MHz +) for its LTE services. This frequency band was deployed as part of the operator's 4G network, which was announced to start on May 30, 2014.
B8 (900 MHz) LTE

Chunghwa Telecom Taiwan uses the LTE frequency band B8 (900 MHz) for its LTE-A network. This frequency is used to provide supplemental coverage in areas where the 1800 MHz or 2600 MHz frequencies are weak or non-existent. It is particularly beneficial for better in-building penetration. The deployment of this frequency band was part of a trading agreement with Asia Pacific Telecom in 2022, which added 2x10 MHz of bandwidth to the existing 2x20 MHz.
B7 (2600 MHz) LTE

Chunghwa Telecom Taiwan uses the LTE B7 (2600 MHz) frequency band. This band is utilized for 4G LTE services and supports 3-carrier aggregation (3CA) technology, enabling download speeds of up to 340 Mbps. The deployment of this frequency band began on March 24, 2016.
B1 (2100 MHz) LTE

Chunghwa Telecom Taiwan uses the LTE B1 (2100 MHz) frequency band. This band was deployed in 2014 as part of the operator's 4G LTE services.

Supported LTE Protocols

Name Generation
LTE 4G

5G NR

Name Interface Description
N1 (2100 MHz) 5G NR

Chunghwa Telecom Taiwan uses the 5G NR frequency band N1 (2100 MHz) for its 5G network. This frequency band was deployed on June 30, 2020, when Chunghwa Telecom launched Taiwan's first 5G NR network.
N78 (3500 MHz) 5G NR

Chunghwa Telecom Taiwan uses the 5G NR N78 (3500 MHz) frequency band. The deployment of this band was completed in early 2020 as part of the 5G auction process in Taiwan.

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