GRETACODER 805 Cipher System
Boris Hagelin of Sweden (and later Switzerland) was not the only producer of cipher machines and devices in Switzerland. Dr Edgar Gretener also owned a company producing cipher equipment on a commercial basis. In fact, Dr Gretener and Boris Hagelin co-operated in a number of projects.
|The 805 was an off-line cipher device made by Gretag Ltd., Regensdorf, Switzerland. This example appears to be fitted with all the options. (Photo courtesy Janes Military Communications)|
* It employed a micoprocessor-based crypto unit with a 4,000 character plain text memory.
* Column printer which prints on 60 mm wide paper.
* Thermal page printer for hardcopy on 210 mm wide paper.
* Built in acoustic modem for transmission over voice lines using V.21 protocol.
* V.24 interface for external terminals or modems.
* Interface for cassette tape recorder.
* Paper tape reader and punch included.
* Packaged in a Samsonite luggage type case (with locks) or in a military style case.
* The 805 product is completely compatible the Gretacoder 505/SP300 GCA teleprinter cipher system
and with the Gretacoder 905 pocket cipher device.
This 805 is powered from commercial mains only.
|This appears to be the basic, portable version of the 805. (Photo courtesy of John Alexander, G7GCK, Leicestershire United Kingdom.)|
References and Credits:
1) John Alexander
2) Janes Military Communications - 1985
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