Coaxial circulator o se masini passive e faʻaaogaina i le RF ma microwave faʻavevesi faʻamau, e masani ona faʻaaogaina i le tuʻuesea, faʻatonuga faʻatonu, ma faʻasalalauga faʻailoga.O loʻo i ai uiga o le maualalo o le faʻaofiina o le gau, maualuga le vavae ese, ma le lautele faʻasalalau, ma faʻaaogaina lautele i fesoʻotaʻiga, radar, antenna ma isi faiga.
O le fausaga autu o le coaxial circulator e aofia ai se fesoʻotaʻiga coaxial, o se lua, o se taʻavale i totonu, o se maneta faʻasolosolo ferrite, ma mea faʻagata.