 The automated fare collection (AFC) systems including high speed fare gates (ACG), passenger service machine (PSM), MiFare smartcard tickets, Station Software and Central Management System (CMS) are provided by Longbow Technologies based in Malaysia.Unfortunately Touch 'n Go card users can no longer access the airline check-in counters at KL Sentral using their Touch 'n Go card as of June 2015.The Touch 'n Go card can still be used to board the KLIA Ekspres itself, but you will need to check-in at KLIA instead.