There are fiber cables to the mainland: https://en.m.wikipedia.org/wiki/Svalbard_Undersea_Cable_System https://en.m.wikipedia.org/wiki/Svalbard_Undersea_Cable_

There are fiber cables to the mainland: https://en.m.wikipedia.org/wiki/Svalbard_Undersea_Cable_System https://en.m.wikipedia.org/wiki/Svalbard_Undersea_Cable_Syst... Interestingly from that Wikipedia article: The Svalbard undersea cable system connecting the archipelago to the mainland was unexpectedly severed in January of 2022. A preliminary police investigation implicates human activity.