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Starlink Mobile Roams US-Japan Via Satellite
5 Mar
Summary
- Starlink Mobile now enables international roaming between Japan and the US.
- KDDI subscribers can use satellite service in US dead zones.
- Future satellites promise 5G speeds up to 150Mbps per user.

SpaceX's satellite-to-phone service, Starlink Mobile, has introduced international roaming capabilities, enabling users to connect between Japan and the United States. Japanese telecom provider KDDI announced that its eligible Au subscribers can now utilize this satellite service in cellular dead zones within both Japan and the US.
Previously, Starlink Mobile offered satellite connectivity solely within a carrier's national borders. However, KDDI's expansion allows its subscribers to seamlessly switch to T-Mobile's Starlink Mobile service when in out-of-service areas in the US. This ensures connectivity at remote U.S. destinations, including popular national parks.
The development signals Starlink Mobile's potential for global roaming, leveraging SpaceX's satellite constellation. While current capabilities include texting and select apps, future next-generation satellites are anticipated to provide speeds up to 150Mbps per user, offering a significant enhancement in service.



