| LS | Title | From | To | Approval date |
| ITU-R WP 1B-Document 1B/TEMP/21 (Rev.1) | LS/r on UWB abbreviation to the ITU Terms and Definitions database and request to provide a definition for this term (reply to CCT-LS1) | ITU-R WP 1B | SG11; SG17; SG20; CCT; ITU-R WP 1A; | 2025-06-23 |
| SG11-LS29 | LS/r on addition of UWB abbreviation to the ITU Terms and Definitions database (reply to CCT-LS1) | SG11 | ITU-R WP 1B; SG17; SG20; CCT; | 2025-02-28 |
| SG20-LS3 | LS/r on the addition of UWB abbreviation to the ITU Terms and Definitions database and request to provide a definition for this term (reply to CCT-LS1) | SG20 | CCT; | 2025-01-24 |
| CCT-LS1 | LS on the addition of UWB abbreviation to the ITU Terms and Definitions database and request to provide a definition for this term | CCT | ITU-R WP 1B; SG11; SG20; | 2024-12-19 |
