What technology is used for interplanetary communication between planets in the Dune universe if any such technology does in fact exist?
CREDITS:
Warner Bros.
Legendary Entertainment
Villeneuve Films
https://dune.fandom.com/wiki/GuildLink
https://dune.fandom.com/wiki/C%27tair_Pilru
https://dune.fandom.com/wiki/D%27murr_Pilru
https://www.reddit.com/r/dune/comments/n8bvgi/dune_2021_planets/
