Japan 5G Providers

The advent of 5G technology has revolutionized the telecommunications landscape in Japan, with major providers racing to deploy and enhance their networks. As of 2022, the country boasts one of the most advanced 5G ecosystems globally, with widespread coverage and innovative applications. Japan's 5G market is dominated by three primary providers: NTT Docomo, KDDI (au), and SoftBank. Each operator has made significant investments in 5G infrastructure, leveraging cutting-edge technologies like millimeter wave (mmWave) spectrum and standalone (SA) architectures to deliver unparalleled speeds, latency, and connectivity.
Overview of Japan’s 5G Landscape

The Japanese government has played a pivotal role in fostering the growth of 5G, allocating substantial spectrum resources and promoting collaboration among industry stakeholders. This concerted effort has enabled the country to achieve extensive 5G coverage, with all three major providers offering commercial services across various frequency bands. As a result, Japanese consumers and enterprises can now access a wide range of 5G-enabled services, from enhanced mobile broadband (eMBB) to ultra-reliable low-latency communications (URLLC) and massive machine-type communications (mMTC).
Key Points
- NTT Docomo, KDDI (au), and SoftBank are the primary 5G providers in Japan.
- Japan's 5G market is characterized by widespread coverage and innovative applications.
- The government has allocated substantial spectrum resources to support 5G growth.
- 5G services in Japan include eMBB, URLLC, and mMTC.
- Providers are investing in 5G infrastructure, including mmWave spectrum and SA architectures.
NTT Docomo’s 5G Strategy
NTT Docomo, Japan’s largest mobile operator, has been at the forefront of 5G development, launching commercial services in March 2020. The company has focused on deploying a robust 5G network, leveraging its extensive spectrum holdings, including 3.7 GHz, 4.5 GHz, and 28 GHz bands. NTT Docomo’s 5G network is designed to support a wide range of use cases, from consumer-centric applications like online gaming and virtual reality to enterprise-focused solutions like smart manufacturing and IoT.
Provider | 5G Frequency Bands | Coverage |
---|---|---|
NTT Docomo | 3.7 GHz, 4.5 GHz, 28 GHz | Nationwide |
KDDI (au) | 3.7 GHz, 4.5 GHz, 28 GHz | Nationwide |
SoftBank | 3.7 GHz, 4.5 GHz, 28 GHz | Nationwide |

KDDI (au) and SoftBank’s 5G Offerings
KDDI (au) and SoftBank, the second and third largest mobile operators in Japan, respectively, have also launched commercial 5G services, with a focus on delivering high-speed, low-latency connectivity. Both providers have invested heavily in 5G infrastructure, including the deployment of mmWave spectrum and SA architectures. KDDI (au) has emphasized the development of 5G-based IoT solutions, while SoftBank has focused on creating immersive experiences, such as augmented reality (AR) and virtual reality (VR), leveraging its 5G network.
5G Applications and Use Cases in Japan

The widespread adoption of 5G in Japan has enabled a wide range of applications and use cases, from consumer-centric services like online gaming and streaming to enterprise-focused solutions like smart manufacturing, IoT, and URLLC. Japanese companies, such as Toyota and Honda, are leveraging 5G to enhance their manufacturing processes, improve efficiency, and reduce costs. Additionally, 5G is being used in various industries, including healthcare, education, and transportation, to create innovative services and solutions.
Future of 5G in Japan
As Japan continues to invest in 5G infrastructure, we can expect to see further advancements in network capabilities, including the deployment of more advanced technologies like 5G standalone (SA) and 5G non-standalone (NSA) architectures. The country is also exploring the potential of 6G, with researchers and industry stakeholders collaborating to develop the next generation of wireless technology. With its strong foundation in 5G, Japan is well-positioned to play a leading role in the development of 6G, driving innovation and growth in the global telecommunications industry.
What are the primary 5G frequency bands used in Japan?
+The primary 5G frequency bands used in Japan are 3.7 GHz, 4.5 GHz, and 28 GHz.
Which Japanese companies are leveraging 5G for smart manufacturing?
+Companies like Toyota and Honda are leveraging 5G to enhance their manufacturing processes and improve efficiency.
What is the current state of 6G development in Japan?
+Researchers and industry stakeholders in Japan are collaborating to develop the next generation of wireless technology, with a focus on 6G research and development.