Astrum Mobile

What Astrum Mobile does

Astrum Mobile is a Singapore-incorporated private company (ASTRUM MOBILE PTE. LTD.) positioning itself as Asia Pacific's only dedicated Satellite-to-Device (S2D) operator, building a 3GPP 5G Non-Terrestrial Network (NTN) broadcasting and datacasting platform that reaches unmodified standard smartphones and legacy 3G/4G/LTE devices from a geosynchronous orbit at 105° East. Core infrastructure is the NEASTAR-1 geostationary satellite, manufactured by SWISSto12 on the HummingSat platform (~1,000 kg, high-power L-band payload, on-board reconfigurable beams, weather-resilient), supported by a regional gateway architecture with multi-redundancy and a proprietary Mobile Mbox Wi-Fi device that enables one-to-many local CDN distribution to existing smart devices. The platform supports four service lines: Rich Media and Entertainment (TV/radio, live events, pay TV, FAST TV), Mass Notification and Emergency Alerts for governments, IoT Over-the-Air Datacasting for smart city and enterprise, and vertical solutions for maritime, vehicle infotainment, and in-home entertainment.

The company operates a B2B/B2G go-to-market with direct enterprise and government sales, supplemented by a planned local partner network in each Southeast Asian country, currently anchored by Singapore headquarters and a Philippines regional office in Makati. Revenue mechanics are described as subscription-recurring for media and notification services and usage-based for IoT datacasting; pricing is not publicly disclosed and is quoted on a project basis. Strategic moat is reinforced by regulatory positioning — Astrum Mobile co-authored the 3GPP Release 19 specifications that created operating band 246 (1467-1492 MHz) for Broadcast over GEO satellite (BOG) services in Region 3, and assembled a multi-party ecosystem including Qualcomm (chipset), SWISSto12 (satellite), Huawei, ZTE, OPPO, Xiaomi, Rohde & Schwarz, Thales, EBU, A*STAR, SUTD, ORS Group, Bitstem, and 5G-MAG.

The company has demonstrated the world's first 5G Broadcast from a GEO satellite to a retail smartphone (October 2024, Singapore) and reached Preliminary Design Review on NEASTAR-1 (September 2025), but the satellite has not yet been launched and no customer revenue, funding rounds, or headcount disclosures appear in the available source material, placing the company in a pre-revenue, pre-launch commercialization phase. An active Investors page signals open external capital solicitation to fund satellite build and regional rollout.

Name

Astrum Mobile

Legal name

ASTRUM MOBILE PTE. LTD.

Website

https://www.astrumspaceinc.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

1–10 employees

Short description

Astrum Mobile (ASTRUM MOBILE PTE. LTD.) is a Singapore-based, pre-revenue Satellite-to-Device operator building a 3GPP 5G NTN broadcasting and datacasting platform for Asia Pacific via the NEASTAR-1 geostationary satellite, serving governments, enterprises, and consumers across 11 Southeast Asian countries.

Ownership category

akta.pro rank

Product category

Satellite Broadcasting and Datacasting Services

NAICS

Satellite Telecommunications (5174), Satellite Telecommunications (51741), Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210)

SIC

Radiotelephone Communications (4812)

akta.pro primary industry

Direct-to-Device (D2D) / NTN Cellular (Satellite-to-Handset, NB-IoT NTN) (HDAIAJAE)

akta.pro secondary industries

Non-Terrestrial Mobile Network Operators (Satellite-Integrated NTN Mobile) (HDAIAAAJ), Enterprise Satellite Connectivity & Managed Services (VSAT, SD-WAN over Satcom) (HDAIAJAB)

Keywords

• Satellite-to-device services
• 5G NTN broadcasting
• Satellite datacasting
• Emergency broadcast services
• Satellite IoT connectivity

Headquarters

HQ city

Singapore

HQ country

Singapore

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales

Revenue model

1. Rich Media & Entertainment Services: Satellite-to-device delivery of TV and radio content, live TV and events, pay TV, FAST TV services, and unlimited data volume with unlimited users for rich media consumption.
2. Mass Notification Services: Government and business mass notification services targeting MNS services across Southeast Asian countries with priority during disasters and network outages.
3. IoT Datacasting: Broadcast data directly to mobile devices and fixed terminals, real-time IoT connectivity via satellite links for smart city, industrial, and enterprise applications.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Astrum Mobile operates a 3GPP 5G Non-Terrestrial Network (NTN) Satellite-to-Device (S2D) platform anchored by the NEASTAR-1 geostationary satellite at 105° East, delivering broadcasting, datacasting, mass notification, IoT connectivity, and rich media services directly to unmodified 3GPP NTN-compliant handsets and Mobile Mbox Wi-Fi devices across Asia-Pacific. The company sells subscription-based broadcasting services and usage-based IoT datacasting to enterprises, governments, and consumers in remote and archipelagic markets.

Product overview

Astrum Mobile offers a unified Satellite-to-Device (S2D) platform for Asia-Pacific, combining the NEASTAR-1 geostationary satellite with a suite of broadcast, datacasting, and notification services. The platform enables direct satellite connectivity to standard smartphones and devices without cell tower reliance. Core offerings include: the S2D platform itself (3GPP 5G NTN-compliant), the NEASTAR-1 GEO satellite operating at 105° East with high-power L-band capability and weather resilience, the Mobile Mbox Wi-Fi device for localized content distribution, and targeted services including Rich Media/Entertainment, Mass Notification/Emergency Alerts, IoT Datacasting, Vehicle Infotainment, Maritime Datacasting, and In-Home Entertainment. All services leverage the geosynchronous satellite infrastructure and operate via unmodified 3GPP NTN-compliant handsets.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Unlimited users (up to 500GB/day depending on service type)
• +2 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

14 partnerships are on record, tiered supporting and core.

• HuaweisupportingTechnology or Integration · 26 November 2025Contributed to drafting 3GPP Release 19 technical specifications for new BOG band alongside Qualcomm, ZTE, and Astrum Mobile.
• ZTEsupportingTechnology or Integration · 26 November 2025Contributed to drafting 3GPP Release 19 technical specifications for new BOG band alongside Qualcomm, Huawei, and Astrum Mobile.
• OPPOsupportingTechnology or Integration · 26 November 2025Endorsed 3GPP Release 19 technical specifications for Broadcast over GEO satellite services.
• XiaomisupportingTechnology or Integration · 26 November 2025Endorsed 3GPP Release 19 technical specifications for Broadcast over GEO satellite services.
• European Broadcasting Union (EBU)supportingStrategic or Co-development Partner · 26 November 2025Endorsed 3GPP Release 19 technical specifications for Broadcast over GEO satellite services.
• Rohde & Schwarz (R&S)supportingTechnology or Integration · 26 November 2025Endorsed 3GPP Release 19 technical specifications for Broadcast over GEO satellite services.
• ThalessupportingTechnology or Integration · 26 November 2025Endorsed 3GPP Release 19 technical specifications for Broadcast over GEO satellite services.
• SWISSto12coreStrategic or Co-development Partner · 15 March 2025SWISSto12 is manufacturing the NEASTAR-1 geostationary satellite based on the HummingSat platform for Astrum Mobile's S2D services. The satellite is approximately the size of an industrial washing machine and weighs approximately 1,000 kg. NEASTAR-1 is the fifth satellite in the HummingSat product line.
• A*STAR Institute for Infocomm ResearchsupportingTechnology or Integration · 10 March 2025Singapore research institution partner in the 5G NTN broadcasting trial, contributing technical expertise and research support.
• Singapore University of Technology and Design (SUTD)supportingTechnology or Integration · 10 March 2025Academic partner in the 5G NTN broadcasting trial, providing research and technical collaboration.
• Qualcomm TechnologiescoreTechnology or Integration · 26 October 2024Joint trial of world's first 5G Broadcast Service from geosynchronous satellite to retail smartphone. Qualcomm provided Snapdragon 5G Modem-RF systems for the trial conducted in Singapore.
• 5G-MAG (Media Action Group)supportingStrategic or Co-development Partner · 26 October 2024Industry group supporting the 5G Broadcast trial, validating the universality and global reach of 3GPP media delivery systems.
• ORS GroupsupportingTechnology or Integration · 26 October 2024Supported the 5G Broadcast trial with Nakolos solution, providing 5G Broadcast technology expertise.
• BitstemsupportingTechnology or Integration · 26 October 2024Provided technical support for the 5G Broadcast technology trial based on GEO satellites.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Regional players

• Kacific Broadband Satellites: Kacific operates GEO Ka-band high-throughput satellites delivering broadband to underserved communities across Southeast Asia and the Pacific. It is a regional player sharing Astrum's geographic focus on archipelagic Southeast Asia, though primarily for fixed broadband rather than S2D.
• SKY Perfect JSAT: SKY Perfect JSAT is Asia's largest satellite operator offering broadcast, broadband, and mobile satellite services across the Asia-Pacific region. It is a regional incumbent with comparable GEO satellite-based broadcast and connectivity services.
• MEASAT: MEASAT is a Malaysian-based satellite operator providing broadcast, connectivity, and government services across Southeast Asia. It is a regional player with overlapping APAC broadcast and emergency communications market coverage.

Broad incumbents

• Globalstar: Globalstar provides satellite-based mobile and IoT connectivity, including Apple's Emergency SOS via satellite on iPhones. Its consumer device partnerships and emergency notification service make it a comparable broad incumbent in S2D adjacency.
• Iridium Communications: Iridium operates a LEO satellite constellation providing voice, data, and emergency notification services to handheld and IoT devices globally. It is a broad incumbent in satellite-to-device communications with established emergency SOS partnerships.
• Starlink (SpaceX) Direct-to-Cell: Starlink's Direct-to-Cell service uses T-Mobile's spectrum to deliver text, voice, and data to standard smartphones via its LEO constellation. It is a broad incumbent in satellite broadband and a formidable S2D competitor with significant capital backing.

Direct peers

• Lynk Global: Lynk Global operates a satellite-to-phone service that connects standard mobile phones to its LEO constellation, providing messaging, emergency alerts, and IoT connectivity. It is a direct peer in the D2D/NTN cellular category, focused on non-terrestrial mobile connectivity.
• AST SpaceMobile: AST SpaceMobile is building a space-based cellular broadband network to connect standard smartphones directly to satellites. It is the most direct competitor to Astrum Mobile in the S2D/NTN segment, though it pursues a two-way LEO constellation rather than a GEO broadcast-only model.

Others

• SWISSto12: SWISSto12 is the manufacturer of Astrum's NEASTAR-1 GEO satellite using its proprietary HummingSat platform. It is an enabling supplier/strategic partner rather than a competitor, but is central to Astrum's satellite deployment roadmap.

Emerging players

• Omnispace: Omnispace is developing a hybrid satellite-terrestrial 5G network using S-band spectrum to deliver direct-to-device connectivity. It is an emerging player in the NTN space with a comparable technology approach but limited operational scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/home

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Astrum Mobile