5G C-Band 3.7 GHz spectrum

USA Federal Communications Commission
Fixed Satellite Service

FCC C-Band spectrum for 5G services

A licensee in the 3.7 - 3.98 GHz band may provide any services permitted under terrestrial fixed or mobile allocations
n77 includes C-Band

FCC C-Band plan

Transition 3.7 - 4.2 GHz band allocations in the United States