TextTell - 1983 - Encrypted Text Transmission

19 Apr 2008 11:49:29

Dribbel

In my collection I have :

TextTell - 1983 - Encrypted Text Transmission via Acoustic Coupler to
Telephone mouthpiece
( for Transmission ) and Telephone receiver ( for Reception )

Forbidden by the (then West) German BKA for showing at CeBIT 1983 fair
at Hannover

Photos on http://picasaweb.google.nl/nap210534/TextTell

Hope that someone can inform me on which algorithm and which keylenght
was used on these units.

T.I.A.

Nap van Zuuren - Gent - Belgium
nap.van.zuuren@pandora.be