CONDOR secure cell phone
Qualcomm built several prototype secure CDMA phones for NSA under a contract project called "Condor". The NSA insisted on hardware encryption, which Qualcomm originally implemented using Fortezza PC cards, but later it became apparent that what the NSA really wanted was developed as the STU-III.

See also
 Secure Communications Interoperability Protocol
 Sectéra Secure Module for Motorola GSM cell phones

References

National Security Agency encryption devices
Secure communication
Qualcomm