On Thursday, March 26, 2020, the Commission released a Public Notice (“Notice”) announcing that the Wireless Telecommunications Bureau (“WTB”) and the Office of Engineering and Technology (“OET”) approved the updated Environmental Sensing Capability (“ESC”) sensor deployment and coverage plans (“ESC Sensor Registrations”) of two ESC operators, CommScope and Google, for use in the 3550-3650 MHz portion of the 3.5 GHz band (GN Docket No. 15-319). On January 10, 2020, CommScope and Google jointly submitted updated ESC Sensor registration data and with subsequent corrections on February 14, 2020 and March 10, 2020. The WTB/OET reviewed and approved the updated ESC Sensor Registrations which describe the proposed coverage for the dynamic protection areas (“DPAs”) in close consultation with the National Telecommunications and Information Administration (“NTIA”) and the Department of Defense (“DoD”).

On April 29, 2019, the Commission released a Public Notice authorizing CommScope and Google to operate their ESC sensors consistent with information submitted to and approved by WTB/OET including sensor locations, configuration, and DPA coverage. Each certified ESC must operate in conjunction with at least one Spectrum Access System (“SAS”) that has been approved for commercial deployment by the Commission. Before providing commercial service for any given DPA, each ESC operator must affirm that the approved sensors covering the DPA are constructed and operational and must list the approved SAS with which the ESC is communicating.

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