NCJ Number
28496
Date Published
1975
Length
17 pages
Annotation
ESTABLISHES REQUIREMENTS AND METHODS OF TEST FOR RF COAXIAL CABLE ASSEMBLIES USED WITH MOBILE TRANSCEIVERS BY LAW ENFORCEMENT AGENCIES.
Abstract
THIS DOCUMENT IS A LAW ENFORCEMENT STANDARD DEVELOPED BY THE LAW ENFORCEMENT STANDARDS LABORATORY OF LEAA. IT COMPLEMENTS OTHER NILECJ STANDARDS FOR MOBILE COMMUNICATION EQUIPMENT AND IS INTENDED FOR USE BY THE LAW ENFORCEMENT AGENCIES IN THEIR SELECTION AND PROCUREMENT OF RF COAXIAL CABLE ASSEMBLIES. USE OF THIS STANDARD WILL PROVIDE A STANDARD INTERFACE BETWEEN THE MOBILE ANTENNA AND MOBILE TRANSCEIVER ON LAW ENFORCEMENT VEHICLES. IN ADDITION, THE STANDARD ESTABLISHES MINIMUM PERFORMANCE REQUIREMENTS AND TEST METHODS FOR CABLE ASSEMBLIES WHICH ARE USED IN THE 25-50 MHZ, 150-174 MHZ AND 400-512 MHZ FREQUENCY BANDS. THE PRINCIPAL TERMS AND DEFINITIONS USED IN THE STANDARD ARE DEFINED, AS ARE THE MOST CRITICAL ITEMS OF TEST EQUIPMENT NEEDED TO MAKE THE REQUIRED MEASUREMENTS. DETAILED TEST METHODS ARE GIVEN FOR MECHANICAL DURABILITY, VIBRATION, TEMPERATURE, HUMIDITY, STANDING WAVE RATIO AND INSERTION LOSS TESTS. (SNI ABSTRACT)