Despite the fact that AŽD has been always directing its largest efforts into the field of railway signalling systems, it has been involved in other sectors of activities as well. One of them is telecommunications mainly for the railway transportation applications. Owing to the specifics of the sectors of telecommunications and informatics, it was necessary to set up a single organisational unit covering the vast and rapidly developing area of AŽD production.
Division of Teleinformatics provides engineering, commercial and realisation solutions in the field of modern information and communication technologies. The activities of the division can be divided into three main domains – signalling equipment, communications and complete solutions for Czech Railways. Besides these main activities DTI carries out installations of metallic and Fibre-optic cables, installations of level crossing and station interlocking systems, PA systems, electrical safety signalisation, electrical fire protection szstems, structured cabling and telephone exchanges. The division´s activities also include complete laying of metallic and fibre-optic cables, installation of radio systems, geodetic works, earth works, engineering services for investment projects and elaboration of revision reports and juridical protocols.