{"id":6308,"number":"25.864","type":"TR","title":"Downlink configurations for Four-carrier High Speed Download Packet Access (4C-HSDPA)","series":25,"status":"Under change control","initial_release":"Rel-10","primary_group":"R4","secondary_groups":[],"portal_id":1297,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1297","dynareport_url":"https://www.3gpp.org/dynareport/25864.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:52.956817+00:00","updated_at":"2026-10-16T09:34:55.609033+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1297","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T00:05:02.676222+00:00","versions":[{"release":"Rel-10","version":"10.0.0","meeting":"RAN#52","upload_date":"2011-07-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.864/25864-a00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-10","version":"2.0.0","meeting":"RAN#52","upload_date":"2011-06-08","comment":"RP-110726 for approval","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.864/25864-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.4.0","meeting":"-","upload_date":null,"comment":"R4-112908","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.3.0","meeting":"-","upload_date":null,"comment":"R4-104104","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.2.0","meeting":"-","upload_date":null,"comment":"R4-103898","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-10","version":"0.1.0","meeting":"-","upload_date":null,"comment":"R4-102766","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-10","first_version_date":"2011-06-08","latest_version_date":"2011-07-01","first_version":"0.1.0","latest_version":"10.0.0","version_count":6}],"classifications":[],"work_items":[{"uid":460115,"acronym":"4C_HSDPA-Core","effective_acronym":"4C_HSDPA-Core","title":"Core part: Four carrier HSDPA","responsible_groups":["R1"],"release":"Rel-10","status":"PCG approved","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1297","association_sources":[],"association_status":"historical_unverified"}],"change_requests":[],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/25.864/relationship-evidence"}}