T-Mobile rises after setting July launch for satellite-to-cell service

** U.S. wireless carrier T-Mobile's TMUS 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