SRT Marine Systems plc, together with its subsidiaries, develops and supplies automatic identification system (AIS) based maritime domain awareness technologies, products, and systems. The company offers systems, such as DAS-Digital ATON, a system that enhance port and waterway traffic control and navigation safety; NAIS-National Vessel Tracking, a vessel identification and tracking system solution; MDM-Coastguard, a maritime domain surveillance system; VMS-Fisheries, a system for tracking, monitoring, and managing fishing vessels; and VTS-Ports and Waterways, a monitoring, managing, and control system for maritime infrastructure, ports, and waterways. It also provides AIS, VMS, search and rescue, vessel, and navigation transceivers; fishing buoy trackers; base stations; display and data solutions; satellite data solutions; OEM AIS transceivers; and transceiver modules, as well as develops and sells maritime communication products and systems. The company's solutions are used in a range of maritime applications, such as safety and security, and environment sustainability and protection. It serves mariners, infrastructure owners, coast guards, and fishing authorities in the United Kingdom, rest of Europe, the Middle East, North America, South East Asia, and internationally. The company was formerly known as Software Radio Technology Plc and changed its name to SRT Marine Systems plc in July 2016. SRT Marine Systems plc was founded in 1987 and is headquartered in Bath, the United Kingdom.