DTI Group Ltd provides integrated surveillance, passenger communication systems and fleet management solutions for the global mass transit industry and other related markets. The Company operates through three segments: Australasia, EMEA and Americas. Its products and services include Advanced surveillance solutions, which include specialized hardware systems, incorporating video, audio, global positioning system (GPS) tracking, communications and recording technology supported by device and data management software to provide fleet-wide, closed-circuit television (CCTV) and vehicle management solutions; Passenger communication solutions, which includes specialized hardware systems, incorporating real time passenger information through graphical and high brightness displays, as well as public address and hearing aid loop communications and passenger emergency communications, and Managed Services, which includes back-end control room communications and infrastructure.