Iridium GMDSS Satcom

LT-4200S GMDSS Certus 200

LT-4100S GMDSS Certus 100

LT-3100S Iridium GMDSS

Why choose Lars Thrane Communication systems?

Precision Engineering

Designed and built in Denmark with uncompromising attention to quality and detail.

Global Coverage

Stay connected anywhere with Iridium® satellite systems and GMDSS-certified solutions.

Certified Safety

Recognized by IMO and SOLAS — products you can trust when lives are at stake.

Easy Integration

Compact, modern systems that are simple to install and intuitive to operate on any vessel.

Reliable Performance

Engineered to work in the harshest maritime conditions, from polar seas to tropical storms.

Trusted Worldwide

Chosen by commercial fleets, navies, and private captains across every ocean.