I-SMAconnector luhlobo lwe-RF coaxial connector eyaphuhliswa ngeminyaka yee-1960s ukwenza kube lula kwiintambo ze-coaxial.Inoyilo olubambeneyo, ukuqina okuphezulu kunye nokusebenza kwe-elektroniki okugqwesileyo kuyenze yaba yenye yezona ziqhagamshelo zisetyenziswa kakhulu kwi-RF kunye ne-Microwave applications kwibhodi iphela.