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Advanced Narrowband Digital Voice Terminal - this page is a stub

ANDVT, or Advanced Narrowband Digital Voice Terminal, is a family of devices for secure voice communication via narrowband channels, developed in the late 1970s by the US National Security Agency (NSA) for use by the US Department of Defense. ANDVT uses LPC-10 voice compression (vocoder) and the secret SAVILLE encryption algorithm jointly developed by GCHQ and the NSA.

ANDVT devices
AN/USC-43 (TACTERM) Tactical Terminal
KY-99 (MINTERM) Narrow-band Voice and Data Terminal KY-100 (AIRTERM) Narrow-band Voice and Data Terminal
Embeddable COMSEC module Advanced INFOSEC Machine II
Further information
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Crypto Museum. Created: Thursday 12 September 2019. Last changed: Thursday, 12 September 2019 - 06:53 CET.
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