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Inmarsat Maritime Internet

Inmarsat Connectivity Solutions

Inmarsat is a global leader in satellite communication, originally established in 1979 to provide reliable connectivity to maritime users. Over the decades, it has grown into a multi-industry solution used across aviation, shipping, emergency response, and remote industrial operations.

In 2023, Inmarsat was officially acquired by Viasat, a major U.S.-based satellite operator. This merger combined both companies’ technologies and infrastructure to deliver faster, more scalable, and more global connectivity solutions than ever before.

Marine control room with Inmarsat maritime VSAT backup system ensuring global voice and data connectivity

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Crew operating bridge systems with secure connectivity via Inmarsat maritime VSAT backup solution

NexusWave
What Is It and How Does It Work?

What is NexusWave?

NexusWave is Inmarsat/Viasat’s fully managed, bonded connectivity solution. It blends multiple satellite and terrestrial networks into one seamless, high-speed, high-availability broadband connection.

What Networks Are Used in NexusWave?

  • GEO satellites (like Inmarsat GX Ka-band)

  • LEO satellites (Low-Earth Orbit for low-latency performance)

  • LTE networks (4G mobile access near coastal regions)

  • L-band redundancy for always-on fallback

These connections are intelligently bonded together in real-time, delivering uninterrupted service across the globe with boosted speed, reliability, and responsiveness.

NexusWave Key Benefits:

  • Real-time bonded multi-network architecture

  • High throughput (over 330–340 Mbps download speed in live tests)

  • Enterprise-grade security and management

  • Unlimited data plans with predictable billing

  • Global maritime coverage across ocean regions

Inmarsat FB

GX (Global Xpress) 

High-Speed Ka-Band Satellite Internet

What Is Global Xpress?

GX (Global Xpress) is Inmarsat’s Ka-band satellite broadband platform, built for global, high-speed internet services. It provides primary bandwidth in the NexusWave architecture and also functions independently.

How It Works:

GX uses high-throughput GEO satellites for:

  • Video conferencing

  • Enterprise cloud access

  • Crew welfare internet

  • Streaming and business-critical applications

Advantages:

  • Seamless global coverage (except extreme polar zones)

  • Secure and reliable broadband connectivity

  • Ideal for remote offshore operations

FBB (FleetBroadband)

Reliable L-Band Maritime Broadband

What Is FleetBroadband?

FleetBroadband (FBB) is Inmarsat’s classic L-band service offering simultaneous voice and IP data services via compact satellite terminals. FBB is trusted globally for mission-critical connectivity at sea.

Features:

  • Up to 432 kbps standard IP speeds

  • Simultaneous voice calls and data access

  • Global service coverage (excluding extreme polar regions)

  • SMS, email, and emergency distress services (e.g. 505 calling)

  • Multiple voice channels on larger terminals

FBB is best suited for ships that need robust and stable communication, particularly for operational services, navigation updates, and basic crew communication.

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LTE Mobile Connectivity in Hybrid

What Is LTE in This Context?

LTE (Long Term Evolution) refers to 4G mobile networks used near coastlines and ports. In hybrid solutions like NexusWave, LTE adds extra speed and flexibility when available.

Benefits of LTE Integration:

  • Cost-effective bandwidth option near shore

  • Added resilience by offloading satellite usage

  • Seamless transition between LTE and satellite without user disruption

NexusWave dynamically detects and blends LTE with satellite networks for maximum performance and cost control.

 

LEO — Low Earth Orbit Services & Terminal Models

LEO in the Inmarsat Ecosystem

Inmarsat’s NexusWave includes LEO broadband services through integration with partner LEO networks — most notably the Eutelsat OneWeb constellation for maritime and hybrid operations. This LEO layer brings: Low latency High throughput Improved global reach as more satellites come online Because Inmarsat doesn’t operate its own dedicated LEO constellation yet, it partners with operators like Eutelsat/OneWeb to deliver LEO connectivity within NexusWave.
  • Low latency
  • High throughput
  • Improved global reach as more satellites come online
    Because Inmarsat doesn’t operate its own dedicated LEO constellation yet, it partners with operators like Eutelsat/OneWeb to deliver LEO connectivity within NexusWave.
Inmarsat peregrine u8

Kymeta LEO Terminals

The Kymeta Peregrine u8 LEO family is a modern flat‑panel satellite terminal designed for LEO broadband connectivity:

  • Electronically steered array (ESA) antenna — no moving parts

  • High‑speed, low latency service, ideal for remote and mobile applications

  • Versions with integrated LTE and Wi‑Fi available

  • Compact form factor suited for maritime, land mobile, and vehicular installations
    These terminals support LEO broadband connectivity (often via OneWeb or similar LEO networks) and are deployed for high performance hybrid solutions where flat panel, low profile antennas are desired.

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