What is CBRS (Citizens Broadband Radio Service)?

CBRS is Citizens Broadband Radio Service which is a 150 MHz wide broadcast band of the 3.5 GHz band (3550 MHz - 3700 MHz) in the U.S. the CBRS is governed by a three-tiered spectrum authorization framework to accommodate a variety of commercial uses on a shared basis with federal and non-federal users of the band in the U.S.