THIS EQUIPMENT STANDARD IS APPROVED AND ISSUED BY THE NATIONAL INSTITUTE OF LAW ENFORCEMENT AND CRIMINAL JUSTICE. EQUIPMENT WHICH CAN MEET ITS REQUIREMENTS IS CONSIDERED TO BE OF SUPERIOR QUALITY AND SUITED TO THE NEEDS OF LAW ENFORCEMENT AGENCIES. PURCHASERS CAN USE THE TEST METHODS DESCRIBED TO DETERMINE FIRSTHAND WHETHER A PARTICULAR EQUIPMENT ITEM MEETS THE REQUIREMENTS OF THE STANDARD, OR THEY MAY HAVE THE TESTS CONDUCTED ON THEIR BEHALF BY A QUALIFIED TESTING LABORATORY. LAW ENFORCEMENT PERSONNEL MAY ALSO REFER TO THIS STANDARD IN PURCHASE DOCUMENTS AND REQUIRE THAT ANY EQUIPMENT OFFERED FOR PURCHASE MEET ITS REQUIREMENTS. THE NECESSARILY TECHNICAL NATURE OF THIS STANDARD AND ITS SPECIAL FOCUS AS A PROCUREMENT AID MAKE IT OF LIMITED USE TO THOSE WHO SEEK GENERAL GUIDANCE CONCERNING PERSONAL FM TRANSCEIVERS. THE CLASSIFICATION OF PERSONAL FM TRANSCEIVERS ACCORDING TO OPERATING FREQUENCIES IS EXPLAINED, AND TECHNICAL TERMS USED IN THE DOCUMENT ARE DEFINED. BASIC REQUIREMENTS FOR MINIMUM PERFORMANCE, SHOCK STABILITY, AUDIO DISTORTION, OUTPUT POWER, ETC., ARE OUTLINED, AND SPECIFIC TEST METHODS AND PROCEDURES FOR THE VARIOUS FUNCTIONS OF THE EQUIPMENT ARE DESCRIBED. TABLES SUMMARIZE MINIMUM PERFORMANCE REQUIREMENTS, AND DIAGRAMS ILLUSTRATE THE MATERIAL PRESENTED. A BIBLIOGRAPHY IS APPENDED.