Lars Thrane LT-4100 System: Iridium Certus 100

Lars Thrane LT-4100 System: Iridium Certus 100

Lars Thrane's LT-4100 maritime satellite communications system, using the Iridium Certus® 100 service class.

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Lars Thrane's LT-4100 maritime satellite communications system, using the Iridium Certus® 100 service class, continues the winning formula established with their LT-3100 and LT-3100S GMDSS products. While the LT-4100 has been designed very much with the professional market in mind, from fishing vessels to workboats of all types, it will equally find a home in the leisure market. The LT-4100 utilises the Iridium Certus satellite network.

Lars Thrane's LT-4100 maritime satellite communications system, using the Iridium Certus® 100 service class, continues the winning formula established with their LT-3100 and LT-3100S GMDSS products. While the LT-4100 has been designed very much with the professional market in mind, from fishing vessels to workboats of all types, it will equally find a home in the leisure market.

The LT-4100 utilises the Iridium Certus satellite network.

To satisfy the demands of the maritime market the LT-4100 system meets all standards and certification requirements for worldwide maritime satellite communications equipment (RED, FCC, ISED, RoHS 2, Iridium®). It offers both voice and data, with 100% global coverage, making it an ideal primary - or secondary - satellite communications system for the demanding professional mariner. Leisure users will appreciate the simplicity of installation and intuitive user interface to ensure they are connected wherever they are.

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Iridium Certus 100 airtime subscriptions with AST exclusively benefit from real-time alerting utilising AST's leading INTEGRA Control Lite service.




  • Features and Benefits
  • Technical Information

Features and Benefits

2 x high-quality voice channels
IP data up to 22 kbps (up) and up to 88 kbps (down)
Single antenna cable solution (up to 500 m)
Large 4.3" TFT display supporting day and night modes
High-performance GNSS/GPS receiver
Ethernet LAN interface on the control unit
Firewall and IP data management (configuration of outgoing firewall, port forwarding, remote management, etc.)
Additionally, provides external support for SIP PABX and SIP handsets (up to 8) and POTS through Analogue Telephone Adaptors (ATA)

Antenna Unit IP67 Control Unit IP32

Antenna Unit 1.39 KG Control Unit 0.67 KG

22 Kbps (up) | 88 Kbps (down)

12-24 VDC

Antenna Unit 18 x Ø 16 Control Unit 22 x 12 x 7 CM

Antenna Unit -40°C to +55°C Control Unit -15°C to +55°C oC


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