 On 13 July 2007, Express Rail Link Sdn Bhd, the operator of KLIA Ekspres, announced that from 23 July 2007 onwards, all 43 airlines serving KL International Airport may use the check-in facilities at KL CAT.However, , only Emirates, Malaysia Airlines, Cathay Pacific, Etihad Airways and Royal Brunei Airlines flights may check-in at KL CAT before boarding the train.Passengers with laptops and smartphones have access to a high speed internet connection free of charge through WiFi on board all KLIA Ekspres trains as well as on the station platforms.