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
History of Sardinia to the north (Sassari) was enhanced (the road still exists today and it still bears the name of Carlo Felice). Also, the first ferry route between the island and Genoa was established, using steamboats such as the Gulnara. The first railway was inaugurated in 1871. By the end of the nineteenth century the Royal Railways had received 30 locomotives, 106 passenger cars, and 436 cargo cars. The economy was focused mainly on the primary sector (agriculture and sheep husbandry) and on mining. The majority of mining societies operating in Sardinia depended on non-Sardinian capital money. However, in 1848 the Sardinian