Release ledger
Canonical Atlas record
TS 36.521-4
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification; Radio transmission and reception; Part 4: Satellite access Radio Frequency (RF) and performance Conformance Testing
Responsible WGR5
StatusUnder change control
Initial releaseRel-18
Selected releaseRel-17
Latest indexed version19.3.0
Series36
TypeTS
Release evolution
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Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-17 snapshot
Work affecting this release
0 indexed Change Requests · 1 connected Work Item.
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Version history
Indexed versions
Showing 20 of 20 indexed versions.
19.3.0Rel-19—2026-10-09
19.2.0Rel-19RAN#1122026-07-06
19.1.1Rel-19RAN#1112026-04-09
19.1.0Rel-19RAN#1112026-03-23
19.0.0Rel-19RAN#1102026-01-15
18.8.0Rel-18RAN#1102026-01-15
18.7.0Rel-18RAN#1092025-10-06
18.6.0Rel-18RAN#1082025-07-07
18.5.0Rel-18RAN#1072025-04-03
18.4.0Rel-18RAN#1062025-01-21
18.3.0Rel-18RAN#1052024-10-09
18.2.0Rel-18RAN#1042024-07-04
18.1.0Rel-18RAN#1032024-04-11
18.0.0Rel-18RAN#1022024-01-03
1.0.0Rel-18 · pre-approvalRAN#1022023-12-04
0.4.0Rel-18 · pre-approvalRAN5#1012023-12-04
0.3.0Rel-18 · pre-approvalRAN5#1002023-09-08
0.2.0Rel-18 · pre-approvalRAN5#992023-06-08
0.1.0Rel-18 · pre-approvalRAN5#982023-03-17
19.3.0Rel-19RAN#113—
Atlas classifications
Meaning and provenance
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Work Items
Standards work connected to TS 36.521-4
TEI17_Test
Rel-17parsed(Small) Test Technical Enhancements and Improvements for Rel-17
IoT_NTN_FDD_LS_band-UEConTest
Rel-18parsedUE Conformance - Introduction of FDD LTE band (L+S band) for IoT NTN operation
IoT_NTN_extLband-UEConTest
Rel-18parsedUE Conformance - Introduction of the Extended L-band (UL 1668-1675MHz, DL 1518-1525MHz) for IoT NTN
LTE_NBIOT_eMTC_NTN_req-UEConTest
Rel-18officialUE Conformance - NB-IoT (Narrowband IoT)/eMTC (enhanced Machine Type Communication) core & performance requirements for Non-Terrestrial Networks (NTN)
TEI18_Test
Rel-18parsedTest - (Small) Technical Enhancements and Improvements for Rel-18
IoT_NTN_FDD_S_band-UEConTest
Rel-19parsedUE Conformance - Introduction of another IoT-NTN S-band (MSS band 2000-2020 MHz UL and 2180-2200 MHz DL)
IoT_NTN_TDD-UEConTest
Rel-19parsedUE Conformance - Introduction of IoT-NTN TDD mode
NR_IoT_NTN_req_test_enh-UEConTest
Rel-19parsedUE Conformance - Enhanced requirements and conductive test methodology for NR NTN and IoT NTN
TEI19_Test
Rel-19parsedTest - (Small) Technical Enhancements and Improvements for Rel-19
Knowledge graph
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