EN 300 422-4 : 2.1.1
Current
The latest, up-to-date edition.
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
20-02-2017
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
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.
| Committee |
ERM TG17
|
| DocumentType |
Standard
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| Standards | Relationship |
| NF EN 300422-4 : 2017 | Identical |
| DIN EN 300422-4:2017-09 | Identical |
| NEN EN 300422-4 : 2017 | Identical |
| PN EN 300 422-4 : 2017 | Identical |
| EN 300 422-2 : 1.4.1 | WIRELESS MICROPHONES; AUDIO PMSE UP TO 3 GHZ; PART 2: CLASS B RECEIVERS; HARMONISED STANDARD COVERING THE ESSENTIAL REQUIREMENTS OF ARTICLE 3.2 OF DIRECTIVE 2014/53/EU |
| EN 300 422-1 : 1.5.1 | WIRELESS MICROPHONES; AUDIO PMSE UP TO 3 GHZ; PART 1: CLASS A RECEIVERS; HARMONISED STANDARD COVERING THE ESSENTIAL REQUIREMENTS OF ARTICLE 3.2 OF DIRECTIVE 2014/53/EU |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.