Chedak

Chedak were a company that produced subspace radios. The modified YT-1300 light freighter known as the Millennium Falcon was equipped with an upgraded Chedak subspace radio around thirty years before the Battle of Endor.

Behind the scenes
Chedak were first mentioned as "Chedak Communications" in the Star Wars Legends reference book Star Wars: Complete Cross-Sections, which was written by David West Reynolds and Curtis Saxton for publication in 2007. The company were then confirmed to be canon under the name Chedak when they were mentioned in Star Wars: The Force Awakens: Incredible Cross-Sections, which was written by Jason Fry and released in 2015.