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
Flag of Sardinia and Torres or Logudoro; each one developed its own coat of arms. When, with the appointment of the King of Aragon as King of Sardinia, the island again became one united kingdom, only the Judicatus of Arborea survived, and fought for a century against the Kingdom of Sardinia for supremacy. According to some, the flag derives from Alcoraz victory of 1096, is linked to the Crown of Aragon, and represents the Spanish Reconquista against the Moors who occupied most of the Iberian Peninsula. It is composed of the cross of St. George, also a symbol of the Crusaders fighting in