TSEC/KY-57 is a wide-band secure voice (WBSV) encryption unit, developed in the mid-1970s by the US National Security Agency (NSA) as replacement for NESTOR cryptographic products like the KY-38. It was used with a wide range of military …

May 19, 2016 · The KY-57 is the primary piece of VINSON COMSEC equipment used today for voice/data encryption on VHF radios and for a large number of wireline devices.

Apr 19, 2024 · VINSON replaces the NESTOR de­vices from the Vietnam-era, such as the KY-8 and KY-38. VINSON devices provide tactical secure voice for VHF and UHF line-of-sight (LOS) and SATCOM radio equipment, and for tactical tele­phone systems.

Aug 4, 2021 · This device provided secure radio communications through scrambling and was the follow-on to the NESTOR (KY-38). The device was used by U.S. and allied military and law enforcement.

Voice encryption unit The KY-57 was a wide-band voice encryption unit that was developed in the USA during the 1970s as replacement of the NESTOR cryptographic products, such as the KY-38. It was suitable for use with wide range of military radios and telehone lines.

Nov 19, 2024 · The Kentucky Transportation Cabinet is proposing a roadway reconstruction project on KY 57 extending from the north end of the previously completed KY-57 Flemingsburg Bypass project to the recently completed bridge replacement project located at …

The Speech Security Equipment (VINSON), TSEC/KY-57, is a portable, tactical cryptographic device in the VINSON family, designed to provide voice encryption for a range of military communication devices such as radio or telephone.

The HYX-57/TSEC is a wireline adapter (WLA), or Net Radio Interface (NRI) 1 , for the VINSON wideband voice/data encryption device TSEC/KY-57, made by Raytheon Corporation (US) around 1974.

Feb 18, 2004 · The KY-57 is the man portable ground equipment and is only contains the voice encryption function so it needs to be used with a radio or wire line. Note that the classical KY-57 uses a digital data stream at 16 k bits per second and so needs what's called a …

The KY-57 is the manpack/vehicular model and the KY-58 is the airborne/shipborne version. The KY-57/58 is certified to pass data up to TOP SECRET and accepts key from the family of Common Fill Devices and also incorporates remote keying.