Secure Terminal Equipment
Videos
Secure Terminal Equipment is the U.S. government's current encrypted telephone communications system for wired or "landline" communications. STE is designed to use ISDN telephone lines which offer hig
STE desk set. Note slot in front for Crypto PC Card.
STU-III
Videos
STU-III is a family of secure telephones introduced in 1987 by the NSA for use by the United States government, its contractors, and its allies. STU-III desk units look much like typical office teleph
Secure Terminal Equipment
…allows higher quality voice and can also be utilized for data and fax transmission through a built-in RS-232 port. STE is intended to replace the older STU-III office system and the KY-68 tactical system. STE sets are backwards compatible with STU-III phones, but not with KY-68 sets. STE sets look like ordinary…
A STU-III secure telephone (Motorola model). Crypto Ignition Key upper right.
George W. Bush using a Motorola STU-III immediately after the September 11 attacks
STU-III secure telephones on display at the National Cryptologic Museum in 2005.
KSD-64A Crypto Ignition Key