---
title: "AST SpaceMobile and Rakuten Form Japan Satellite JV Backed by Up to $1 Billion"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/305015718.md"
description: "AST SpaceMobile and Rakuten formed a joint venture to build a direct-to-device satellite network in Japan, backed by up to 148 billion yen ($1 billion) via the J-LEO project. Rakuten holds 51% ownership. The venture aims to launch a mid-band constellation connecting standard smartphones, targeting domestic service by March 2029 to enhance coverage and disaster resilience."
datetime: "2026-11-10T13:03:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/305015718.md)
  - [en](https://longbridge.com/en/news/305015718.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/305015718.md)
generator: "portal-rs"
---

# AST SpaceMobile and Rakuten Form Japan Satellite JV Backed by Up to $1 Billion

**AST SpaceMobile and Rakuten agreed to establish a joint venture to build a direct-to-device satellite communications network in Japan, with up to 148 billion yen in government support.**

**Key Highlights:**

-   Rakuten AST is expected to receive up to 148 billion yen (about $1 billion) over approximately three years through Japan’s J-LEO project.
-   The venture plans to deploy and operate a Japanese mid-band satellite network, targeting domestic service by the end of March 2029.
-   AST SpaceMobile will supply satellites for Japan’s sovereign constellation, designed to connect standard smartphones without specialized equipment.
-   The network aims to extend coverage to underserved areas and support communications continuity during disasters, including emergency inter-carrier roaming.
-   Rakuten Group will hold 51% of the venture and an AST SpaceMobile subsidiary will hold 49%; services may also reach AST customers worldwide, subject to regulatory approval.

Original SEC Filing: AST SpaceMobile, Inc. \[ ASTS \] - 8-K - Nov. 10, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**