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 by L'Unione Sarda and also the first Italian UMTS company was founded on the island. Today Sardinia is the second Italian region, after Lombardy, for investments in startups (owning the 20% of the Italian venture capital). On the island are headquartered some telecommunication companies and internet service providers, such as Tiscali and the Mediterranean Skylogic Teleport, a ground station controlled by satellite provider Eutelsat. Sardinia is the Italian region with the highest e-intensity index, after the Aosta Valley (index measuring the relative maturity of Internet economies on the basis of three factors: enablement, engagement, and expenditure) and the region with