| LS | Title | From | To | Approval date |
| ITU-R WP 5A-5A/TEMP/118 | LS/r on Terminology “multiple-input and multiple-output (MIMO)” and “mesh networks” (CCT/181 & CCT/189)
| ITU-R WP 5A | CCT; ITU-R WP 5D; ITU-R WP 4A; ITU-R WP 4B; ITU-R WP 6A; ITU-R WP 4C; ITU-R WP 5C; SG5; SG13; SG15; | 2025-12-08 |
| CCT-Documents CCT/181 and CCT/189 | LS on request for feedback on the term “multiple-input and multiple-output (MIMO)” and its definition developed by ITU-R Working Party 5C and submitted to the CCT for validation | CCT | ITU-R WP 5A; ITU-R WP 5D; ITU-R WP 6A; ITU-R WP 4C; SG5; SG13; SG15; | 2025-10-02 |