Southern Co. Defends Report Raising 6 GHz Interference Concerns
Southern Co. countered arguments NCTA made in February, questioning a report from the utility company on the threat from low-power indoor (LPI) unlicensed devices to electric utility operations in the 6 GHz band (see 2202240042). “NCTA continues to rely on…
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flawed, undisclosed simulations built on assumptions that defy reasonable engineering standards … and are inconsistent with real-world Wi-Fi and fixed microwave operations,” said a Southern filing, posted Wednesday in docket 18-295. “NCTA and other proponents of unlicensed LPI operations refuse to recognize that field testing of FCC-certified, off-the-shelf, commercially available LPI devices operating under real-world conditions demonstrates that such devices will cause harmful interference to licensed fixed microwave systems in the 6 GHz band, including those -- such as Southern’s licensed microwave systems -- which are critical to ensuring the reliability and resilience of our Nation’s energy infrastructure.”