{"id":8411,"number":"37.806","type":"TR","title":"Extending 850 MHz study Technical Report","series":37,"status":"Under change control","initial_release":"Rel-10","primary_group":"R4","secondary_groups":[],"portal_id":2613,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2613","dynareport_url":"https://www.3gpp.org/dynareport/37806.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:05:10.856565+00:00","updated_at":"2026-10-16T09:35:15.822667+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2613","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T02:26:35.709836+00:00","versions":[{"release":"Rel-11","version":"11.0.0","meeting":"RAN#57","upload_date":"2012-10-10","comment":"Delayed, awaiting info from R...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.806/37806-b00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-11","version":"2.0.0","meeting":"RAN#57","upload_date":"2012-09-14","comment":"RP-121185","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.806/37806-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-11","version":"1.1.0","meeting":"RAN#52","upload_date":"2011-10-10","comment":"R4-114382","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.806/37806-110.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-11","version":"1.0.0","meeting":"RAN#52","upload_date":"2011-06-08","comment":"RP-110752","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.806/37806-100.zip","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":"2010-10-08","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.806/37806-030.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-11","version":"1.4.0","meeting":"-","upload_date":null,"comment":"","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":"2010-10-08","latest_version_date":"2010-10-08","first_version":"0.3.0","latest_version":"0.3.0","version_count":1},{"release":"Rel-11","first_version_date":"2011-06-08","latest_version_date":"2012-10-10","first_version":"1.0.0","latest_version":"11.0.0","version_count":5}],"classifications":[],"work_items":[{"uid":440016,"acronym":"FS_e850","effective_acronym":"FS_e850","title":"Study on Extending 850 MHz","responsible_groups":["R4"],"release":"Rel-11","status":"PCG approved","wi_level":"Feature (1st level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2613","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/37.806/relationship-evidence"}}