TRUE Upgrades 5G Coverage in Nimman-Chiang Mai Airport with Full 90 MHz Bandwidth, Boosting Mobile Performance for Northern Thailand’s Top Tourist Destination

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Mitihoon – – True Corporation continues to upgrade the nationwide 5G network by progressively activating the full 90 MHz bandwidth on the 2600 MHz spectrum in key provinces. The latest enhancement extends coverage to Chiang Mai, boosting digital connectivity in the high-usage Nimmanhaemin district and Chiang Mai Airport, both popular hubs for Thai and international visitors. This initiative is designed to deliver superior high-speed connectivity that supports Chiang Mai’s position as the number one tourism destination in Northern Thailand while enhancing digital experiences for both TrueMove H and dtac customers.

The accelerated expansion of 5G and 4G networks in Chiang Mai is part of True Corporation’s ongoing Network Modernization project, which is on track for nationwide completion around September. The initiative responds to surging digital and 5G demand. True’s 5G subscribers reached 14.7 million nationwide in Q2/2025, representing a 25 percent increase from the same period last year.

True Corporation continues to maximize the potential of the 2600 MHz spectrum, its key 5G band, by enabling full 90 MHz utilization. Normally, mobile operators must share the 2600 MHz spectrum between 5G and 4G services because the large base of 4G users restricts full allocation of the 2600 MHz band to 5G.

Following the latest spectrum auctions by the National Broadcasting and Telecommunications Commission (NBTC), True Corporation is now Thailand’s leading spectrum portfolio. The company owns eight frequency bands across all ranges: 700 MHz, 900 MHz, 1500 MHz, 1800 MHz, 2100 MHz, 2300 MHz, 2600 MHz, and 26 GHz. These spectrum assets enable enhanced efficiency and superior 5G and 4G experiences for Thai users.

Most recently, True Corporation secured 70 MHz of the 2300 MHz band, which has been immediately deployed for 4G services. This unlocks the 2600 MHz band for full-scale 5G utilization and sets the foundation for future 5G development. In addition, True acquired 20 MHz of the newly available 1500 MHz band, which is highly suitable for future-ready network evolution.

Chiang Mai Holds Its Position as Northern Thailand’s Top Tourism Destination

According to the Ministry of Tourism and Sports, Chiang Mai ranked as Thailand’s fifth most popular destination in the first half of 2025 after Bangkok, Chonburi, Kanchanaburi, and Phuket. The province retained its position as the number one destination in Northern Thailand. Chiang Mai welcomed over 6 million visitors, a 3.68 percent increase year-on-year. Thai tourists showed particularly strong growth of 6.55 percent, signaling a robust recovery in domestic tourism. This surge has significantly increased demand for telecommunications and internet services. It also reinforces True’s decision to expand 5G and 4G capacity in Chiang Mai to support tourism and enhance visitor experiences.

Two Key Areas in Chiang Mai for 5G 2600 MHz Enhancement

  • Nimmanhaemin Area – The commercial and lifestyle hub of Chiang Mai, featuring events, shopping, accommodations, cafes, and co-working spaces. It is a key gathering point for both locals and visitors, especially digital nomads who rely on seamless high-speed internet for online work.
  • Chiang Mai Airport – Northern Thailand’s major transportation gateway, serving approximately 8.5 to 11 million passengers annually, along with 20,000 to 30,000 vehicles entering and exiting daily.

Mr. Prathet Tankuranun, Chief Technology and Information Security Officer of True Corporation Plc., said: “We have been continuously upgrading 5G on the 2600 MHz spectrum nationwide, and this latest enhancement in Chiang Mai marks an important step for Northern Thailand. Our network meets the demand for high speed and stability, ensuring smooth customer experiences while supporting tourism, the digital economy, and the way of life in Chiang Mai.”

Network Modernization – Reinforcing True 5G as Thailand’s Best Network for Nine Consecutive Years by nPerf

The Network Modernization project enables both TrueMove H and dtac customers to benefit from one network that seamlessly combines their strengths, with both brands operating on the same high-performance infrastructure. The strength of this consolidation is clearly reflected in evaluations by nPerf, a global network quality testing institute from France, which has ranked True 5G as Thailand’s best network for nine consecutive years (2016–2024).

Based on a nationwide nPerf application user survey conducted from January 1 to December 31, 2024, the nPerf 2024 Report confirmed that TrueMove H leads in 5G technology with the highest overall score of 104,336 points, the highest upload speed of 37.33 Mbps, and the lowest latency at just 23.83 milliseconds. Meanwhile, dtac excelled in Quality of Experience, delivering the best web browsing and video streaming performance. Once the networks are fully consolidated, customers of both brands will share the best network experience together.

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