The LT-4100 Satellite Communications System, from Lars Thrane A/S, is a maritime satellite communication product that operates on the Iridium® satellite network using Iridium Certus® 100 services. The LT-4100 system is designed for the professional market (deep sea, fishing, and workboats), but can be used for the leisure markets as well. It’s built for the demanding and rough environment at sea and with an operational temperature range from -40 to +55⁰C (-40 to +131⁰F) and all standards and certification requirements needed for worldwide maritime satellite communication equipment. More than 40 years of experience have been put into the design and construction of the LT-4100 system, with an exceptional performance and specification level.