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AT&T Urges Caution on Wi-Fi in 6 GHz Band

AT&T Services filed at the FCC a recent study by the Electronic Communications Committee of the European Conference of Postal and Telecommunications Administrations that it said has implications for the 6 GHz band. The report “examines the co-existence of RLAN…

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[radio local access network] systems with, among other things, Fixed Service microwave point-to-point links operating in the precise band where RLAN operations have been proposed in this docket,” said a filing posted Monday in docket 18-295. AT&T said the report “includes a Minimum Coupling Loss 3 analysis that is far more comprehensive and rigorous than RKF Report submitted in this docket previously, finds that significant separation distances are required for RLANs, regardless of the morphology of the analyzed area and under varying indoor/outdoor and power conditions.” The report “underscores the need to adopt automated frequency coordination (AFC) system requirements for all devices -- if any -- introduced into any portion of the 6 GHz band,” the filing said. Major tech players argued part of the band can safely support unlicensed operations without the need for AFC (see 1906260055).