A guide to voice scramblers for law enforcement agencies
By: Robert E. Nelson ; prepared by the Law Enforcement Standards Laboratory, Center for Consumer Product Technology, National Bureau of Standards, for the National Institute of Law Enforcement and Criminal Justice, Law Enforcement Assistance Administration, Department of Justice.
Contributors: Law Enforcement Standards Laboratory.; National Institute of Law Enforcement and Criminal Justice.
Series: Law enforcement equipment technology; NBS special publication ; 480-8; NBS special publication ;; 480-8.
Publisher: U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 34
Subjects: Speech scramblers.; Police communication systems -- Security measures.
Notes: Bibliography: p. 28.