The included high-speed data depends on the country of usage: Within the European Union, as well as in Germany, you get 2GB high-speed data per day, in Switzerland, Austria and Liechtenstein you get unlimited high-speed data, while in the rest of the covered countries you get 500MB per day. Exceeding data is included and unlimited with a reduced 3G-speed of 512Kbps, until the next day (CET).