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Modem - this page is a stub

The R-011M was a modulator/demodulator (modem) for the transmission of teletype signals via short wave radio (RTTY) 1 , developed in the USSR during the Cold War and used by the countries of the Warsaw Pact. It was commonly used as part of a (large) radio station, such as the R-142.

  1. RTTY is the abbreviation of Radio Teletype.

  1. R-011M service manual (Russian)
    RM2.000.027TO. CM300327.
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Crypto Museum. Last changed: Monday, 27 April 2015 - 14:35 CET.
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