I-coupler sisixhobo esiqhele ukusetyenziswa kwi-microwave microwave esetyenziselwa ukusasaza ngokulinganayo imiqondiso yongeniso kumazibuko emveliso amaninzi, kunye nemiqondiso ephumayo evela kwisibuko ngasinye esineamplitudes nezigaba ezahlukeneyo.Isetyenziswa ngokubanzi kwiinkqubo zonxibelelwano ezingenazingcingo, iinkqubo zeradar, izixhobo zokulinganisa ii-microwave, kunye nezinye iinkalo.
Abatshatileyo banokuhlulwa babe ziintlobo ezimbini ngokwesakhiwo sabo: i-microstrip kunye ne-cavity.Ingaphakathi le-coupler ye-microstrip ikakhulu yenziwe yinethiwekhi yokudibanisa eyenziwe ngemigca emibini ye-microstrip, ngelixa ingaphakathi le-coupler ye-cavity yenziwe nje ngeentsimbi ezimbini zetsimbi.