Lars Thrane LT-4200S Iridium Certus 200 GMDSS System

The Lars Thrane LT-4200S Iridium Certus 200 GMDSS terminal is a ground-breaking system designed to offer the latest in Global Maritime Distress and Safety System (GMDSS) communications with the advanced capabilities of Iridium Certus 200.

As the first GMDSS solution to support the upcoming Iridium Certus service, the LT-4200S sets a new standard for reliable, high-performance satellite communication, security, and tracking, tailored for maritime safety and compliance.

The LT-4200S is fully SOLAS-compliant, meaning it meets stringent international safety standards mandated by the International Maritime OrganiSation (IMO) under the Safety of Life at Sea (SOLAS) treaty. Its capabilities extend far beyond standard communication, making it ideal for all maritime vessels, especially those requiring GMDSS functions to ensure safety and rapid response in emergency situations.

Installation

The LT-4200S is designed for streamlined installation, with both the antenna and control unit compactly built for flexible placement on the vessel. The system can be pole-mounted, making it adaptable to different maritime layouts. With minimal setup time and simplified cabling, the LT-4200S allows operators to deploy and use the system with ease.

Performance

This high-performing GMDSS system provides 99.9% uptime, ensuring connectivity and communication reliability even in remote maritime regions. Its rugged construction and wide operating temperature range make it resilient in all marine conditions, and the integrated Iridium Certus 200 capability ensures that data and voice services remain uninterrupted, critical for ship operations and safety.

Related Products and Solutions

Lars Thrane LT-4200 System – Explore the non-GMDSS version for ships that don’t require GMDSS compliance but still want advanced Iridium connectivity.

Lars Thrane LT-3100S GMDSS Terminal– Ideal for vessels that need GMDSS features but don’t require the higher data capabilities of Iridium Certus.

For more technical details, download the full LT-4200S GMDSS Product Sheet.

Features and Benefits
Technical Information
Optional Accessories
In the Box

Features and Benefits

GMDSS Compliance: Certified to meet IMO SOLAS Chapter IV for GMDSS, the LT-4200S is optimiSed for reliable distress and safety communication.

Iridium Certus 200 Connectivity: Leverages the powerful, globally available Iridium Certus 200 network to ensure high-quality, uninterrupted coverage across oceans.

All-in-One System: Includes built-in SSAS (Ship Security Alert System) functionality, SOLAS-compliant alarm and distress messaging, and Long-Range Identification and Tracking (LRIT) capabilities.

High-Quality Voice and Data Services: Supports voice calling, SMS, and data transfer, ensuring critical safety and operational information can be communicated anywhere at sea.

Easy Installation: Compact and durable design allows for flexible installation options on all vessel types, simplifying the setup and reducing downtime.

Advanced Performance and Durability: Engineered to withstand harsh maritime environments, ensuring robust performance in extreme conditions.

Technical Information

GMDSS Capabilities

Distress alerting, maritime safety information, two-way voice and messaging

Weight

3.8 kg for antenna unit, 1.2 kg for control unit

Data Range:

Up to 176 Kbps (Iridium Certus 200)

Input Voltage

10.8–32 VDC

Control Unit Dimensions

260 mm x 160 mm x 90 mm

Operating Temperature

-25°C to +55°C operating range

Antenna Unit Dimensions

250 mm x 190 mm

Optional Accessories

SSAS Kit

Integrates seamlessly with the LT-4200S, providing added security through silent alerts in emergencies.

Interface Unit

Enables versatile integration with other onboard systems, maximising the terminal’s connectivity and compatibility.

Pole Mount

(2.0" pipe, Ø53.0mm, A4 Stainless): Mounts the antenna unit securely, even in challenging environments.

Alarm Pane

Essential for GMDSS compliance, providing easy access to distress functions in a critical location.

Printer Adapter

Supports real-time printouts of received messages for record-keeping and compliance.

In the Box

LT-4200S Antenna Unit

Control Unit (with bracket mount)

Power Cable and Data Cables

User Documentation

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