Starlink spectrum deal boosts Musk plan to beat AT&T, T-Mobile, and Verizon

Satellite signals pass poorly through walls, so SpaceX is buying ground-based spectrum to give Starlink Mobile an indoor coverage layer. It agreed to buy up to 14 megahertz of low-band 800 MHz licenses, airwaves that travel far and penetrate buildings, adding to mid-band spectrum it is buying from EchoStar as it aims to take on big US carriers.

Summary written with AI by HowTechMoves, based on reporting by Ars Technica.