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KzU-64
Voice encryption device - this page is a stub

The KzU-64 is a narrow-band voice encryption device, developed in the former Yugoslavia in 1987 and built by the Rudi Čajavec factory in Banja Luka (Bosnia and Herzegovina). It was intended for use with narrow-band VHF/UHF FM (mobile) radios, such as the UKT FM-66/17. The KzU-64 can be seen as the narrow-band variant of the wide-band KzU-63 voice encryptor.

The device is also known as DVP (Digital Voice Protection Module). A variant of the KzU-64, known as the DVP-96, was created especially for use in combination with the Pionir 500K series VHF/UHF FM transceivers, in which it was fully controlled from the front panel of the radio [1].

The image on the right shows the front panel of the KzU-63, which is identical to that of the KzU-64. At present no further information about the KzU-64 is available.
  
Front panel controls and connections

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Technical details
  • Power voltage: 12V DC
  • Power consumption: 30mA
  • Data transfer rate: 9600 bps
  • Cipher period: 1060
References
  1. Radista, MRS 520-42/Ke Radio
    Website. Retrieved April 2015.
Further information
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Crypto Museum. Created: Monday 13 April 2015. Last changed: Sunday, 25 February 2018 - 18:22 CET.
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