O le NaI(Tl) o le mea e sili ona fa'aaogaina fa'alelei ona o le taugofie.O lo'o i ai le maualuga o le malamalama, maualuga le iloa lelei, tele-tele o lo'o avanoa ma sili atu le taugofie pe a fa'atusatusa i isi mea fa'alelei.O le NaI(TI) e hygroscopic ma e tatau ona fa'apipi'i i totonu o fale (Stainless Steel, Titanium Alloy, Al housing alternative).
Fa'atusa ma le Tele Fa'apitoa: Fa'ai'u-vaieli, Fa'ailoga kupita, va'a matala le itu, fa'agogo.Dia1"x1", Dia2" x2, Dia3"x3", Dia5"x5", 2"x4"x16", 4"x4"x16", Anti-Compton detector.
E maua i tioata tasi, polycrystalline po'o tioata fa'atau mo le gaosiga o suau'u.