Zingwe zonse zomwe zili mu mndandandawu zimasunga bata50±2-ohmkulepheretsa kwapadera, kuonetsetsa kuti chizindikiro chochepa chikuwunikira komanso kusamutsa mphamvu yayikulu mu machitidwe okhazikika a RF.
Pakatikati palithovu la polyethylene lopangidwa ndi mpweya (PE)Kuteteza. Kapangidwe kameneka kamachepetsa kwambiri kutayika kwa dielectric poyerekeza ndi PE yolimba, zomwe zimathandiza kuti chizindikiro chikhale bwino patali, makamaka pama frequency apamwamba.
Chishango chokhala ndi zigawo ziwiri chophatikizazojambulazo za aluminiyamu zolumikizidwandi kuchuluka kwakukulu (Kufikira 80%–95%) mkuwa wopangidwa ndi chitini kapena aluminiyamu woluka umapereka chitetezo chabwino kwambiri kuEMIndiRFI, kuonetsetsa kuti zizindikiro zili zoyera m'malo omwe pali phokoso lamagetsi.
Zosankha zikuphatikizapoPVCkugwiritsa ntchito kwa onse,PE yosagonjetsedwa ndi UVntchito zakunja, ndiUtsi Wochepa Zero Halogen (LSZH)pa malo okhala ndi zofunikira zoteteza moto, monga m'malo opezeka anthu ambiri, ndege, kapena makina oyendera anthu ambiri.