E mafai ona masani ona faʻaaogaina coils Air-core e avea ma transformers o loʻo i ai nei, faʻatasi ai ma le lautele faʻasalalau faʻasalalau, laʻititi laʻititi, mama mama, faigofie mo fua numera, ma microcomputer puipuiga.E masani ona faʻaaogaina i tekinolosi televise, tekonolosi leo, fesoʻotaʻiga fesoʻotaʻiga, faʻafeiloaʻi ma le faʻamamaina o le mana, VCD leitio ulu, antenna amplifier, leitio kaseti puʻe, antenna microphone ma isi fanua.