IRIDIUM CERTUS® 100 – Lars Thrane LT-4100 Satellite Communications System

Lars Thane LT-4100 (Coming Q3 2021) Lars Thrane LT-4100


The Lars Thrane LT-4100 Satellite Communications System operates on the IRIDIUM CERTUS® 100 service. It’s a compact, robust maritime satellite communication system by Lars Thrane A/S. It is a truly global maritime system designed for the professional maritime market; deep-sea, fishing and workboats. Though just as useful in the recreational leisure market. It is system designed and operates on a truly global basis worldwide on Iridium’s truly global satellite Certus network.

The LT-4100 voice and data capabilities on a truly worldwide, global basis on Iridium’s satellite network. It can operate as the primary satellite communication system aboard vessels providing basic communication requirements for ship-to-ship and ship-to-shore connectivity. Providing two (2) high-quality voice channels and IP-data (22 kbps (up)/88 kbps (down))  Built for the requirements of the demanding maritime market. A rugged, compact configuration allows for ease of installation and the use of a single coaxial cable to connect the antenna unit to the control unit with up to 500 meters of separation between the units for greatest options for the best possible placement of the antenna unit with free line of sight to Iridium’s satellites. :LT-4100 control unit utilizes either a bracket mount or flush mount. The antenna unit can be mounted with a pole mount. The control unit has a large TFT display and with built-in webserver allows for ease of service and maintenance.

Lars Thrane LT-4100 Key Features:

  • Two (2) High-Quality Voice Channels
  • IP-data: 22 kbps (up)/ 88 kbps (down)
  • Single Coaxial antenna cable (Up to 500 meters)
  • SIP PABX and SIP Handset Support (Up to 8(
  • POTS through Analogue Telephone Adaptors (ATA)
  • High-Performance GNSS/GPS receiver
  • Ethernet Lan interface on control unit.
  • Large TFT display (day and night modes)
  • Voice prompt audio feedback
  • Firewall and user authentication for a high-level of security
  • IP-data management (configuration of outgoing firewall, port forwarding, remote-management, etc.)
  • Web server for configuration and maintenance
  • Prepared for Iridium Certus GMDSS

Lars Thrane LT-4100 In The Box

  • LT-4110 Control Unit
  • LT-3120 Handset
  • LT-3121 Cradle
  • LT-4130 Antenna Unit
  • Bracket Mount (Control Unit)
  • Power Cable 3m
  • Stainless steel A4 screws for mounting
  • User and Installation Manual
  • Unit Test Sheets