Sept. 8 (UPI) -- U.S. telecommunications company EchoStar announced Monday plans to sell spectrum licenses to SpaceX for $17 billion, allowing the aerospace company to expand its broadband service to cell phones via Starlink satellites. The definitive agreement includes EchoStar's AWS-4 and H-block spectrum licenses in exchange for $8.5 billion in cash and up to $8.5 billion in SpaceX stock. SpaceX will also pay about $2 billion in interest on EchoStar debt through November 2027. The deal will