AMiT company has won in tender for supplying the Information System, Audio System, WTB including diagnostics and WiFi for renovation of Bmz229, Bmz235 and Amz138 passenger cars. We have supplied modern HW and SW for Information systems in single/double configuration to the DPOV company, including SW required for refreshing the information about train stops and other operation data. WiFi implementation was performed in accordance with the requirements of Czech Railways (ČD) – furthermore, Audio System for announcements to passengers was implemented for both coupe and open-space cars.