Transmitters-receivers
CASE FOR WIRELESS SYSTEMS
NCJ Number
30431
Journal
TOP SECURITY
Date Published
1975
SPEECH SCRAMBLING IN POLICE RADIO COMMUNICATIONS
NCJ Number
13094
Journal
Law and Order
Date Published
1974
DIGITAL COMMUNICATIONS FOR PUBLIC SAFETY PROMISES SOLUTIONS TO BASIC PROBLEMS
NCJ Number
9175
Journal
Law and Order
Date Published
1973
ARCOM (ATLANTIC RESEARCH COMMUNICATION SYSTEM) - AN ALTERNATE APPROACH TO MOBILE DIGITAL COMMUNICATIONS
NCJ Number
13099
Journal
Law and Order
Date Published
1974
MINIATURE TRACKING TRANSMITTER - RADIO BEACON TAILS
NCJ Number
9176
Journal
Law and Order
Date Published
1973
HANDBOOK OF SPOKEN RADIO COMMUNICATION USED BY PUBLIC SAFETY ORGANIZATIONS
NCJ Number
14689
Date Published
1971
METHODS OF ELECTRONIC AUDIO SURVEILLANCE
NCJ Number
9698
Date Published
1973
APPLICATION OF A TELEPRINTER SYSTEM TO LAW ENFORCEMENT COMMUNICATIONS
NCJ Number
933
Date Published
Unknown
GROWTH OF RADIO TELEPHONY IN PUBLIC SAFETY SERVICE, PART 2, 1930-1940
NCJ Number
4648
Journal
Law and Order
Date Published
1972
EMERGENCY COMMUNICATIONS VAN
NCJ Number
8260
Journal
Police Chief
Date Published
1973