How Race to 5G in U.S. Hit Speed Bump Called C-Band

From ovens to refrigerators, automobiles to surgeon’s tools, more and more items are connected wirelessly to the internet. As use of such devices soars, so does the demand for airwaves to carry all that data. The need for more space — more spectrum — to carry mobile signals is causing friction in a once-placid policy arena. In one high-profile struggle over a swath of airwaves known as the C-band, a leading issue is whether taxpayers or foreign satellite companies should enjoy the multibillion