
U.S. wireless carrier T-Mobile's TMUS.O shares rise ~4% to $256 in premarket trading
T-Mobile said on Sunday it will launch its satellite-to-cell service, powered by SpaceX's Starlink, in July for $15 a month
T-Mobile began wide-scale testing of the service on Sunday, which will be free till its launch
Service aims to eliminate mobile dead zones and extend connectivity to remote areas
After its launch, the service will be included in T-Mobile's premium Go5G Next plan at no extra cost
Stock had risen 37.7% in 2024