3GPP 38.300 v19.3.0 — the document's own text B.1 Supplementary Uplink To improve UL coverage for high frequency scenarios, SUL can be configured (see TS 38.101-1 [18]). With SUL, the UE is configured with 2 ULs for one DL of the same cell as depicted on Figure B.1-1 below: Figure B.1-1: Example of Supplementary Uplink