ČSN P I-ETS 300380 (877554)

Universal Personal Telecommunication (UPT). Access devices. Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone

NORM herausgegeben am 1.8.1996

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The information about the standard:

Designation standards: ČSN P I-ETS 300380
Classification mark: 877554
Catalog number: 19980
Publication date standards: 1.8.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN