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EN 300 422-4 : 2.1.1

M00037114

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EN 300 422-4 : 2.1.1

WIRELESS MICROPHONES; AUDIO PMSE UP TO 3 GHZ; PART 4: ASSISTIVE LISTENING DEVICES INCLUDING PERSONAL SOUND AMPLIFIERS AND INDUCTIVE SYSTEMS UP TO 3 GHZ; HARMONISED STANDARD COVERING THE ESSENTIAL REQUIREMENTS OF ARTICLE 3.2 OF DIRECTIVE 2014/53/EU

European Telecommunications Standards Institute

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Table of Contents

Intellectual Property Rights
Foreword
Modal verbs terminology
Executive summary
Introduction
1 Scope
2 References
3 Definitions, symbols and abbreviations
4 General equipment requirements
5 Presentation of equipment for testing purposes
6 Test conditions, power sources and ambient conditions
7 General conditions
8 Transmitter technical requirements and corresponding
   methods for compliance testing
9 Receiver technical requirements and corresponding
   methods for compliance testing
10 Measurement uncertainty and interpretation of the
   measurement results
Annex A (informative) - Relationship between the
        present document and the essential
        requirements of Directive 2014/53/EU
Annex B (normative) - Measurement of Necessary
        Bandwidth (B) for analogue systems
Annex C (normative) - Radiated measurement
Annex D (informative) - Additional receiver parameters
        identified under article 3.2 of Directive 2014/53/EU
Annex E (informative) - Installation test procedure for
        ALDs in the 173,965 MHz to 216 MHz band
Annex F (informative) - Bibliography
Annex G (informative) - Technical description of Assisted
        Listening Devices
Annex H (informative) - Change History
History

Abstract

Describes technical characteristics and methods of measurements for Assistive Listening Devices (ALDs) comprising personal hearing aid systems including inductive systems, personal sound amplifiers, and associated accessories for ALDs, e.g. remote controls and audio streaming devices.

General Product Information

Document Type Standard
Status Current
Publisher European Telecommunications Standards Institute
Committee ERM TG17