I-eriyali ye-eriyali yasentwasahlobo yekhoyili ye-eriyali yintlakohlaza yecoil yentsimbi eqhele ukufakwa kwitheminali yebhodi yePCB.Intaba yasentwasahlobo ye-antenna, intsimbi yezinto eziphathekayo, ubhedu, intsimbi engenasici.
I-polarization electromagnetic signal ejikelezayo esithubeni inokudluliselwa.Le eriyali idla ngokusetyenziswa kwisikhululo sasemhlabeni kunxibelelwano lwesathelayithi.Nge-feeders non-balanced, ezifana neentambo ze-shaft zixhunywe kwi-antenna, isikhungo sekhebula sixhunyiwe kwi-spiral inxalenye ye-antenna, kwaye ulusu lwangaphandle lwentambo lufakwe kwisibonisi.