Pole Star Space Applications Ltd, provider of fleet management, ship security and asset monitoring systems, has released an upgrade to its DSAS Ship Security Alert System, featuring new hardware from SkyWave Mobile Communications. The upgraded DSAS is designed to provide continuity of service and a smooth upgrade path for Pole Star SSAS customers as well as future-proofing their investment by routeing data traffic via the IsatData Pro network. The new Pole Star DSAS has been engineered to build on the quality of service provided by earlier transceivers, many of which are still in service from first installation. The new SkyWave IsatData Pro utilizes the global Inmarsat I-4 satellite constellation to provide remote management and communication with mobile and fixed assets worldwide.