Rakuten, AST SpaceMobile announce Rakuten AST
Rakuten Group and AST SpaceMobile formed a joint venture, Rakuten AST, to build a direct-to-device satellite network in Japan. The project, supported by up to $1 billion in funding, aims to provide smartphone connectivity during emergencies and expand broadband access. Rakuten AST plans to deploy satellites compatible with mid-band spectrum and commence operations by March 2029. The companies will also explore AI-driven spectrum management technology.
How this was made

The 30-second read
Why it matters
The partnership secures a major portion of the program’s funding, positioning both companies as key players in Japan’s emerging satellite communications market.
Market read
The announcement creates a new revenue stream and validates the satellite‑to‑device business model, likely influencing related stocks and sector sentiment.
What to watch
Potential competition from other LEO providers and the need for extensive ground infrastructure could increase costs.
Background
The Japanese government’s J‑LEO program aims to create a resilient satellite‑to‑smartphone network for disaster response and broadband coverage.
Ticker impact
AST SpaceMobile partnered with Rakuten to supply satellites for the Japan LEO network, gaining a multi‑year $1 bn contract.
likely upside as the contract validates AST's technology and revenue outlook.
The deal expands AST's market footprint and provides a sizable, near‑term revenue source.
Market effects
Strengthens the satellite communications and non‑terrestrial network sector, potentially benefiting peers with similar technology.
Boosts Japan's telecom infrastructure outlook and may attract further government support for satellite projects.
Highlights growing interest in LEO satellite broadband, reinforcing the global push for non‑terrestrial networks.
Counterpoint
The JV may face regulatory delays or technical challenges that could postpone revenue, limiting near‑term upside.
Key entities
- CompanyRakuten Group
Japanese e‑commerce and telecom conglomerate launching the JV.
- CompanyAST SpaceMobile
U.S. satellite communications firm providing the LEO satellites.
- Government AgencyMinistry of Internal Affairs and Communications (MIC)
Japanese regulator selecting the joint proposal for the J‑LEO project.




