Description
Lars Thrane LT-4100S GMDSS Certus 100
The LT-4100S is a MED / Wheelmark approved Iridium Certus 100 GMDSS satellite communications system for professional and SOLAS vessel applications. It combines mandatory distress and safety communications with everyday voice and IP data connectivity over the Iridium network.
Key features
- SOLAS GMDSS approved for Sea Areas A1, A2 and A3
- Global Iridium distress coverage
- Distress Alert and Distress Call
- Safety Calling and Safety Messaging
- Maritime Safety Information (MSI)
- Ship Security Alert System (SSAS) and LRIT support
- Support for remote alarm panels, GMDSS printer and Bridge Alert Management
- Two voice channels
- Certus 100 IP data capability
- Single coaxial antenna cable installation
- Integrated GNSS/GPS receiver
- Built-in web interface for configuration and maintenance
Standard package
- LT-4110S Control Unit
- LT-3120 Handset
- LT-3121 Cradle
- LT-4130 Maritime Antenna Unit
- Control Unit bracket mount
- 3 m power cable
- Mounting hardware
- User & Installation Manual
- Unit test sheets
Service note: An active Iridium Certus GMDSS SIM / airtime service is required and is supplied separately.
GMDSS and safety equipment checks
For safety and GMDSS equipment, the exact model, approval status, battery or release arrangement, mounting bracket and vessel requirements should be checked before ordering. Some equipment also requires programming with vessel identity information or periodic service items, so the intended flag, installation and service condition should be confirmed as part of the job.
Safety equipment should be installed and maintained in accordance with the vessel's applicable carriage requirements and the manufacturer's instructions. Programming, registration, batteries and release mechanisms should be treated as separate checks where they apply to the product.
For Lars Thrane LT-4100S supply or replacement enquiries, confirm the exact model or part reference against the equipment already installed.



















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