Keeping ships connected anywhere

Iridium Certus


The highly reliable, furthest reaching mobile satellite communications network in the world.



Iridium Certus is the new mobile broadband capability offered by Iridium, aiming to deliver the most advanced and reliable L-band service in the maritime market to any place on earth, combined with the highest L-Band speeds, finally offering a real choice and a superior connectivity alternative for the maritime community.

With low-cost yet highly robust equipment and truly global coverage to any sea — including the poles — Iridium Certus brings you the ideal platform for operational communications and safety services across all maritime market sectors and geographies.

The service debuts by supporting speeds up to 352Kbps, which will be upgradable to 704Kbps download after firmware upgrade.

Certus services span from multiple high-quality voice lines to the highest throughput L-band data connection available, allowing simultaneous operations for business efficiency.

Powered by a uniquely sophisticated global constellation of 66 cross-linked Low Earth Orbit (LEO) satellites, the Iridium® network provides high-quality voice and data connections over the planet’s entire surface, including across oceans, airways and polar regions.

Cobham’s SAILOR 4300

Compact and incredibly easy to install, Cobham’s SAILOR 4300 Iridium Connected terminal is a pinnacle of L-band satcom performance and reliability. It ensures that your link to the Iridium® network is always available so you can operate safer, smarter and more efficiently through the power of always available communication and digitally connected applications.

Next Generation

SAILOR 4300 utilizes the Iridium network to provide your on-board link through high bandwidth IP connectivity and three high-quality voice lines for global calling wherever you are.

Heavyweight Applications

Available in bulkhead and 19” rack-mount configuration, SAILOR 4300 offers a reliable connection to the Iridium NEXT satellite network with speeds suitable for data-heavy applications including; videoconferencing, multi-user Internet/VPN, IoT and telemedicine, alongside regular usage including email, electronic forms/reporting and crew communication.

Operational Continuity

SAILOR 4300 is designed to withstand the harshest maritime environments. Reliability is high and lifecycle costs are inherently low – it is built to such high quality that there is no scheduled service interval and no maintenance for at least 10 years after installation. But should something go wrong, you have the support and knowledge of Cobham SATCOM’s unique Global Service Network to get you back online wherever you are.

Seamless Integration

While delivering high-speed, global connectivity as a compact, easy to install standalone terminal, SAILOR 4300 has also been designed for seamless integration with multi-band communication networks, making it easy for VSAT service providers to use it a cost-effective, high-speed secondary communications channel.

Technical Specifications & Features

  • Size: 38 cm (dia) x 23 cm (h)
  • Weight: 7 kg
  • One cable connection to BDU
  • Bulkhead and 19” rack versions
  • Three independent voice lines
  • Supports Iridium Certus 300- Up to 176/352 kbps
  • Supports Iridium Certus 700- Up to 176/704 Kbps

Thales VesseLINK

Enabling enhanced business operations and personal welfare while in the harshest maritime environments.

  • Reliable low-weight waterproof antenna for at sea operations
  • Capable up to Certus 700 services (352kbps up / 704kbps down & 256kbps streaming)
  • 100% global satellite coverage and low latency for critical data and voice communications
  • Easily integrates terrestrial cellular or VSAT with in-box least cost routing switch

Related Content