T-Ratings: Wireless devices rated T3 or T4 meet FCC requirements and are likely to be more usable with a hearing device's telecoil ("T Switch" or "Telephone Switch") than unrated wireless devices.
Tekanyetso ya T-: Didiriswatlhokamogala tse di lekanyeditsweng go T3 kgotsa T4 di kgotsofatsa ditlhokego tsa FCC mme di ka dirisega le thelekhoele ya sediriswakutlo ("T Switch"), go gaisa didiriswatlhokamogala tse di sa lekanyediwang.