Global Coverage
Get coverage across the entire globe, including the Arctic and Antarctic areas where other communication systems may not be available.
A network of 66 low-Earth orbit satellites, providing a highly reliable and robust communication system.
SSAS and LRIT certified.
All-in-One: GMDSS, LRIT & SSAS
Eliminating the need for multiple communication systems and reducing overall costs.

Iridium GMDSS: The Reliable and Cost-Effective Solution for Global Maritime Communications

Tototheo is a leader in providing comprehensive connectivity solutions to the maritime industry. With a team of highly trained and experienced field engineers, Tototheo offers a seamless, end-to-end solution for the integration and installation of shipboard operations. Iridium GMDSS ensures reliable, safe, and fast communication at sea, no matter where you are in the world.

We also offer a suite of value-added services, including crew welfare, cyber security, and digital solutions. These services help enhance safety, security, and efficiency in maritime operations, making Tototheo your partner of choice for all your connectivity needs.

Iridium GMDSS Services

All three GMDSS functions in one small terminal

Distress Alert

Activated by the press of a button, distress alerting sends basic, but critical data to a Rescue Coordination Center (RCC): ID, Status, Position

Safety Voice

Connect to an RCC and other maritime authorities through a call to share additional details about the distress situation: High Priority Calling, Hydrographic Reporting, Medical Assistance

Maritime Safety Information (MSI)

MSI is transmitted through an Enhanced Group Call (EGC) service called Iridium SafetyCastSM: Navigational, Meteorological, Safety-Related

Lars Thrane
LT-3100S GMDSS System

Photo of the LT 3100 S Iridium GMDSS equipment for reliable communication at sea, offered by Tototheo Maritime

Keep your vessel safe and connected

The world’s first and only truly global GMDSS solution, this small-form-factor terminal provides access to all Iridium GMDSS services as well as standard Iridium satellite communications. With this powerful system, you can ensure reliable communication between ship and shore.

The LT-3100S GMDSS system also provides voice, SMS, data, vessel tracking, and other Iridium services with competitive airtime rates, making it the perfect satellite communication product on board any vessel.

Iridium GMDSS FAQ’s

When it comes to ensuring your safety at sea, Iridium GMDSS is the solution you can trust.

Discover answers to your questions about Iridium GMDSS.

All-in-One Terminal for Distress Alert, Safety Voice, and MSI
Truly Global Coverage, Even in High-Latitude Regions and Sea Area A4
Recognized by the IMO and the SOLAS Convention, Meets Global Standards & Certification Requirements
Support for Voice, SMS, Data, Vessel Tracking, and Other Standard Iridium® Services
Includes Control Unit, Handset, and Antenna Unit

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