I-SMAconnector iwuhlobo lwesixhumi se-RF coaxial esathuthukiswa ngeminyaka yawo-1960s ukuze kube lula ukwenza izintambo ezingama-coaxial.Inomklamo ohlangene, ukuqina okuphezulu nokusebenza okuvelele kwe-elekthronikhi kuyenze yaba ngesixhumi esisetshenziswa kakhulu ezinhlelweni ze-RF neMicrowave ebhodini lonke.