Sardinia the highest internet performances, such as fastest broadband connection in Italy. Sardinia is also the Italian region with the highest percentage (41%) of 4G LTE users. The Chinese multinational telecommunications equipment and systems companies ZTE and Huawei have development centers and innovation labs in Sardinia. Sardinia has become Europe's first region to fully adopt the new Digital Terrestrial Television broadcasting standard. From 1 November 2008 TV channels are broadcast only in digital. Sardinia has three international airports (Alghero-Fertilia/Riviera del Corallo Airport, Olbia-Costa Smeralda Airport and Cagliari-Elmas Airport) connected with the principal Italian cities and many European destinations, mainly in the
Sardinia These were populated by Roman immigrants. The Roman military occupation brought the Nuragic civilization to an end, except for the mountainous interior of the island, which the Romans called "Barbaria", meaning "Barbarian land". Roman rule in Sardinia lasted 694 years, during which time the province was an important source of grain for the capital. Latin came to be the dominant spoken language during this period, though Roman culture was slower to take hold, and Roman rule was often contested by the Sardinian tribes from the mountainous regions. The east Germanic tribe of the Vandals conquered Sardinia in 456. Their rule