Koyilo yopangira dzenje ndi chipangizo chothandizira chomwe sichifuna maginito pachimake. Imadalira mapindikidwe a coil ndi sing'anga ya mpweya mkati kuti ikwaniritse zotsatira za inductance. Kapangidwe kameneka kamakhala ndi kutayika kwa maginito otsika, mafupipafupi osiyanasiyana, komanso mizere yayikulu, zomwe zimapangitsa kuti zizigwiritsidwa ntchito kwambiri pazida zoyankhulirana, tinyanga ta RF, zida zamankhwala, ndi zina zambiri.