$TMUS $S $DISH Approval of the T-Mobile-Sprint merger would mean DISH Network Corp acquiring Sprint's prepaid subscribers to enter the wireless space, Nispel said. The Federal Communications Commission will require DISH Network to build out 70% of its key 5G spectrum bands by June 14, 2023, and the company has indicated it would need around 15,000 tower sites for this build, the analyst said.