TmoNews: FCC 5G mmWave auction results show T-Mobile spent $873 million on spect
rum licenses.
[1]https://www.tmonews.com/2020/03/fcc-mmwave-5g-auction-results-t-mobile-spectr
um-licenses/

References

   1. https://www.tmonews.com/2020/03/fcc-mmwave-5g-auction-results-t-mobile-spectrum-licenses/