Global Satellite

Iridium LT3100S GMDSS System

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  • 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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Product Meta

The Lars Thrane LT-3100S GMDSS System is the inaugural satellite solution for Iridium GMDSS Distress and Safety communications, delivering the world’s first and only truly global GMDSS solution. With all Iridium GMDSS services, as well as standard Iridium® satellite communications available through a single, small-form-factor terminal, the LT-3100S GMDSS System can be used as the primary satellite communication product on vessels, covering the basic communication needs in terms of connectivity between the 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.

Key Features for Iridium LT3100S GMDSS System :

  • SOLAS GMDSS Approved (Sea Areas A1, A2, and A3)
  • 100% Global Distress Coverage
  • Distress Alert & Distress Call
  • Safety Calling & Safety Messaging
  • Maritime Safety Information (MSI)
  • Support for remote Alarm Panels
  • Support for GMDSS Printer
  • Support for Bridge Alert Management (BAM)
  • Ship Security Alert System (SSAS)
  • Long Range Identification and Tracking (LRIT)
  • Voice, SMS, & Modem Data
  • Single antenna cable solution (up to 500 m)
  • High-performance GNSS/GPS receiver
  • Webserver for configuration and maintenance
  • MED Module B+D, RED(CE), FCC, ISED, ROHS2, Iridium


  • LT-3110S Control Unit
    • Weight: 658 g (1.45 lbs)
    • Dimensions: 224.0 x 120.0 x 70.0 mm (8.82 x 4.72 x 2.76 in)
    • Temperature, operational: -15°C to +55°C (+5°F to +131°F)
    • IP rating, dust and water: IP32
  • LT-3120 Handset Unit
    • Weight: 290 g (0.64 lbs)
    • Dimensions: 208.8 x 52.8 x 38.2 mm (8.22 x 2.08 x 1.50 in)
    • Temperature, operational: -15°C to +55°C (+5°F to +131°F)
    • IP rating, dust and water: IP32
  • LT-3130 Antenna Unit
    • Weight: 687 g (1.51 lbs)
    • Dimensions: 151.1 x Ø 149.5 mm (5.95 x Ø 5.89 in)
    • Temperature, operational: -40°C to +55°C (-40°F to +131°F)
    • IP rating, dust and water: IP67

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