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

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Carrier website: https://www.tstartel.com/

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

T Star (Taiwan Star Telecom) and Taiwan Mobile have merged to form a new entity, which now serves over 10 million customers. Here are the key points about the merged network:

  1. Merger Details:

    • The merger was completed after 23 months of preparatory work, involving the convergence of IT systems, network technologies, employee placements, user rights, customer service, and other departments.
    • Over 16,000 communication and coordination meetings were held, involving more than 240,000 staff from both companies.
  2. Spectrum Integration:

    • The merged entity combines the 3.5GHz, 900MHz, and 2600MHz spectrum held by T Star with the 700MHz, 1800MHz, 2100MHz, 3.5GHz, and 28GHz spectrum held by Taiwan Mobile.
    • This integration allows for the use of 5G NR technology to provide maximum 5G bandwidth of 100MHz, significantly improving network coverage and speed.
  3. Network Coverage:

    • T Star’s 3G, 4G, and 5G coverage map shows extensive coverage across Taiwan, including rural areas and mountains.
    • The network ensures 98% signal coverage, minimizing interruptions.
  4. Customer Plans and Promotions:

    • The merged entity offers subsidized 4G and 5G plans for low- and middle-income users, senior citizens, and the handicapped at a price of 149 yuan.
    • Various promotional plans are available, including a 4G/5G monthly plan priced at NT$149 for specific demographics.
  5. Environmental Sustainability:

    • The merger aims to reduce price competition and transition towards value-centric competition and environmental sustainability.
    • Taiwan Mobile has been committed to environmental sustainability initiatives since 2016 and plans to continue this focus post-merger.
  6. Workforce and Integration:

    • The merger includes initiatives to integrate the workforces of both companies, such as employee relocation plans, job matchmaking events, educational and training programs, and cultural integration mechanisms.
    • Taiwan Mobile Chairman Daniel Tsai has emphasized the company’s commitment to fostering a dynamic and inclusive workplace culture.

Overall, the merged network of T Star and Taiwan Mobile aims to provide enhanced coverage, improved speeds, and a focus on value-driven competition and sustainability.


Frequency Bands

LTE

Name Interface Description
B8 (900 MHz) LTE

T Star Taiwan uses LTE frequency band B8 (900 MHz). The deployment date of this band is unknown.

B7 (2600 MHz) LTE

T Star Taiwan uses the LTE frequency band 7 (2600 MHz). The deployment date is not specified in the provided sources.

Supported LTE Protocols

Name Generation
LTE 4G

UMTS

Name Interface Description
B1 (2100 MHz) UMTS

T Star Taiwan uses the UMTS B1 (2100 MHz) frequency band. The deployment date is unknown.

Supported UMTS Protocols

Name Generation
UMTS 3G
HSDPA 3.5G

5G NR

Name Interface Description
N78 (3500 MHz) 5G NR

Taiwan Star Cellular (T Star) uses the 5G NR frequency band n78, which operates in the 3500 MHz range. This band is commonly referred to as the 3.5 GHz band or C-band. The n78 band spans from 3300 MHz to 3800 MHz and supports channel bandwidths ranging from 10 MHz to 100 MHz. Advanced technologies like massive MIMO, beam-forming, and beam-tracking help mitigate the limited range and building penetration issues associated with higher frequencies. This band is particularly popular for its ability to support large channel widths, making it suitable for delivering high-capacity 5G services.


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