BID 860/ 1100

BID 860

BID 860 was a small crypto unit that was used in British tanks. It operated from a 28v d.c. power source  and was one of the first cryptos to have BITE (Built In Test Equipment).

BID 1100

This was a teleprinter with a built in crypto box. Siemens made the teleprinter and Philips the crypto.


1) Mark Corder  <mark.corder(at)>
2) Walter Anderson  <Walter.Anderson(at)>]

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Dec 9/10