3GPP 38.300 v19.3.0 — the document's own text 15.4.2.6 SSB-less SCell For an intra-band or inter-band CA SCell, a UE may obtain timing reference and AGC source from another serving cell in case the UE is not provided with SSB nor SMTC configuration for this SCell, as described in TS 38.331 [12].