Wireless Internet access (Wi Fi) is available at the current International Terminal (T1), and at Terminals 2 and 3 (T2 and T3).  Any device that supports Wi Fi can connect to the service within the terminals.

Terminal Wi Fi availability
T1 Throughout the terminal, except for areas adjacent to construction zones
T2 Throughout the terminal
T3

Arrivals lounge, ground floor
Departures lounge, first floor
All food and beverage outlets in T3 are also within the coverage area for Wi Fi connection