Harmful Interference 'Essentially Inevitable' from Low-Power Use of 6 GHz: AT&T
AT&T countered arguments in favor of further liberalizing the rules for the unlicensed 6 GHz band (see 2212160034), in a filing posted Tuesday in docket 18-295. “Consider promptly and thoroughly the ever-mounting evidence in the record that already authorized, commercially…
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available consumer 6 GHz [low-power indoor access points] pose a serious threat of harmful interference to primary fixed service incumbents -- some of which operate networks vital to public safety or the functioning of critical infrastructure,” AT&T said: “To date, four substantial field trials under real-world conditions have been undertaken, each documented in an extensive and comprehensive engineering report. Each of these trials has established that harmful interference is essentially inevitable.”