"The FCC moved another step closer to opening the 3.5 GHz band for shared use, conditionally approving seven companies to be the first spectrum access system (SAS) operators, a key next step. The agency labeled the band the Citizens Broadband Radio Service (CBRS) and it has been a major focus of the agency since 2012 (see 1212130044). But industry officials say many questions remain about the viability of the CBRS. Among them is what some see as the likelihood the FCC’s top engineer, Julius Knapp, will soon depart, leaving no clear successor."
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