U.S. national carriers have been putting a lot of efforts into 5G services, but their strategies differ significantly. T-Mobile widely rolled out their low band spectrum, trying to reach almost everyone in the U.S., while Verizon went for higher bands which might be too fast for current needs. Brian Goemmer, President and founder of AllNet Insights & Analytics, would explain how U.S. carriers are doing with their 5G business. Goemmer has years of experience in evaluating wireless spectrum technology, regulations, services, and applications as they affect the 4G and 5G ecosystems and the associated industries.