NTIA Suggests Rules for 24 GHz OOBE Harmonization With WRC-19
Urging harmonization of FCC rules with the out-of-band emission (OOBE) limits into the 24 GHz band adopted at the 2019 World Radiocommunication Conference, NTIA in docket 21-186 Monday suggested caps on radiated power of emissions for international mobile telecommunications (IMT)…
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stations operating in the 24.25-24.45 GHz or 24.75-25.25 GHz bands. It also said the FCC should urge or even incentivize licensees to meet the WRC-19 OOBE levels before Sept. 1, 2027. NTIA said systems deployed before then under less stringent limits could cause harmful interference to passive satellite sensors. It said the FCC should clarify that base stations and user equipment modified or replaced after Sept. 1, 2027, must comply with the post-2027 OOBE limits. It said the 23.6-24 GHz band OOBE limits should apply to all mobile systems, not just IMT.