Acoustic coupler
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In telecommunications, an acoustic coupler is an interface device for coupling electrical signals by acoustical means, usually into and out of a telephone. The link is achieved through converting elec
The Novation CAT acoustically coupled modem
Sendata Series 700
Coupleur accoustique IMG 0298
Novation CAT
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Novation, Inc., is an early modem manufacturer whose CAT series were popular in the early home computer market in the late 1970s and early 1980s, notably on the Apple II. The Hayes Smartmodem 300, int
Acoustic coupler
…The Novation CAT acoustically coupled modem In telecommunications, an acoustic coupler is an interface device for coupling electrical signals by acoustical means, usually…
The Apple-CAT II modem, along with Com-Ware II software and Advanced Programming Information manual.
The Apple-CAT II 'Expansion Pack'