Google with their Project Fi stated a flat rate $10 per GB data plan that works in 120 countries. Order a data only SIM, put in a compatible device and your connected. The supported data-only devices include Nexus 7, Nexus 9, iPad Air 2, iPad mini 4 and Galaxy Tab S. Pay for what you use and you can cancel at any time. Current Project Fi subscribers can order their data -only SIM's now. Those who are not subscribed, can request an invitation.