Terminal Equipment (TE);Telephony for the hearing impaired;Electrical coupling of telephone sets to hearing aids (Endorsed by Asociación Espanola de Normalización in December of 2022.)
NORMA vydaná dňa 1.12.2022
Designation standards: UNE-ETS 300679ED1
Publication date standards: 1.12.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE