Public Switched Telephone Network (PSTN);Category II specification for 2 400 bits per second duplex modems standardized for use on the PSTN (Endorsed by Asociación Espanola de Normalización in March of 2022.)
NORMA vydaná dňa 1.3.2022
Designation standards: UNE-ETS 300117ED2
Publication date standards: 1.3.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE