SIST EN 300 422-1 V1.5.1:2015

ETSI EN 300 422-1 V1.5.1 (2015-06)






EUROPEAN STANDARD
Electromagnetic compatibility
and Radio spectrum Matters (ERM);
Wireless microphones
in the 25 MHz to 3 GHz frequency range;
Part 1: Technical characteristics and
methods of measurement

---------------------- Page: 1 ----------------------
2 ETSI EN 300 422-1 V1.5.1 (2015-06)



Reference
REN/ERM-TG17WG3-14
Keywords
audio, radio, radio MIC, testing
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org/standards-search
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the
print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
https://portal.etsi.org/People/CommiteeSupportStaff.aspx
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2015.
All rights reserved.

TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 ETSI EN 300 422-1 V1.5.1 (2015-06)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definitions, symbols and abbreviations . 11
3.1 Definitions . 11
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Functional characteristics for Radio microphones . 14
4.1 Radio microphone descriptions . 14
4.2 In ear monitoring . 14
4.3 Tour Guide systems . 14
5 General . 14
5.1 Presentation of equipment for testing purposes . 14
5.1.1 Choice of model for testing . 15
5.1.2 Definitions of alignment and switching ranges . 15
5.1.3 Choice of frequencies . 15
5.1.4 Testing of single channel equipment . 15
5.1.5 Testing of two channel equipment . 15
5.1.6 Testing of multi-channel equipment (more than two channels) . 16
5.1.7 Testing of equipment without a permanent external RF port . 16
5.1.7.1 Equipment with a permanent internal RF port . 16
5.1.7.2 Equipment with a temporary RF port . 16
5.2 Mechanical and electrical design . 16
5.2.1 General . 16
5.2.2 Controls . 16
5.2.3 Performance testing with Integral antenna . 16
5.2.4 Marking (equipment identification) . 16
5.3 Interpretation of the measurement results . 16
6 Test conditions, power sources and ambient conditions . 17
6.1 Normal and extreme test-conditions . 17
6.2 Test power source . 17
6.3 Normal test conditions . 17
6.3.1 Normal temperature and humidity . 17
6.3.2 Normal test power source voltage . 17
6.3.2.1 Mains voltage . 17
6.3.2.2 Other power sources . 18
6.4 Extreme test conditions . 18
6.4.1 Extreme temperatures . 18
6.4.1.1 Procedures for tests at extreme temperatures . 18
6.4.2 Extreme test power source voltages . 18
6.4.2.1 Mains voltage . 18
6.4.2.2 Other power sources . 18
7 General conditions . 18
7.1 Normal test modulation . 18
7.1.1 Analogue systems . 18
7.1.2 Digital systems . 19
7.2 Artificial antenna . 20
ETSI

---------------------- Page: 3 ----------------------
4 ETSI EN 300 422-1 V1.5.1 (2015-06)
7.3 Test fixture . 20
7.4 Test site and general arrangements for radiated measurements. 20
7.5 Modes of operation of the transmitter . 20
7.6 Arrangement for test signals at the input of the transmitter . 20
8 Methods of measurement and limits for transmitter parameters . 21
8.1 Frequency stability . 21
8.1.1 Method of measurement (analogue) . 21
8.1.2 Method of measurement (digital) . 21
8.1.3 Limit . 21
8.2 Rated output power . 21
8.2.1 Method of measurement for equipment without integral antenna . 21
8.2.2 Method of measurement for equipment with integral antenna. 21
8.2.2.1 Method of measurement under normal test conditions . 21
8.2.3 Limit . 22
8.3 Necessary bandwidth . 22
8.3.1 Necessary Bandwidth (BN) for Analogue Systems . 22
8.3.1.1 Method of Measurement . 22
8.3.1.2 Limits . 23
8.3.2 Necessary Bandwidth (BN) for Digital Systems . 23
8.3.2.1 Method of Measurement . 23
8.3.2.2 Limits . 25
8.4 Spurious emissions . 26
8.4.1 Definition . 26
8.4.2 Method of measurement . 26
8.4.3 Limits . 26
8.4.4 Measuring receiver . 26
9 Receiver . 27
9.1 Spurious emissions . 27
9.1.1 Definitions . 27
9.1.2 Method of measuring the power level in a specified load. 27
9.1.3 Method of measuring the effective radiated power of the enclosure . 27
9.1.4 Method of measuring the effective radiated power . 28
9.1.5 Limits . 28
10 Functional characteristics for Assistive listening devices . 28
10.1 Assistive Listening Devices (Aids for the handicapped) . 28
11 General . 29
11.1 Presentation of equipment for testing purposes . 29
11.1.1 Choice of model for testing . 30
11.1.2 Definitions of alignment and switching ranges . 30
11.1.3 Choice of frequencies . 30
11.1.4 Testing of single channel equipment . 30
11.1.5 Testing of two channel equipment . 30
11.1.6 Testing of multi-channel equipment (more than two channels) . 30
11.1.7 Testing of equipment without a permanent external RF port . 30
11.1.7.1 Equipment with a permanent internal RF port . 30
11.1.7.2 Equipment with a temporary RF port . 31
11.2 Mechanical and electrical design . 31
11.2.1 General . 31
11.2.2 Controls . 31
11.2.3 Performance testing with Integral antenna . 31
11.2.4 Marking (equipment identification) . 31
11.3 Interpretation of the measurement results . 31
12 Test conditions, power sources and ambient conditions . 31
12.1 Normal and extreme test-conditions . 31
12.2 Test power source . 32
12.3 Normal test conditions . 32
12.3.1 Normal temperature and humidity . 32
12.3.2 Normal test power source voltage . 32
12.3.2.1 Mains voltage . 32
ETSI

---------------------- Page: 4 ----------------------
5 ETSI EN 300 422-1 V1.5.1 (2015-06)
12.3.2.2 Other power sources . 32
12.4 Extreme test conditions . 32
12.4.1 Extreme temperatures . 32
12.4.1.1 Procedures for tests at extreme temperatures . 33
12.4.2 Extreme test power source voltages . 33
12.4.2.1 Mains voltage . 33
12.4.2.2 Other power sources . 33
13 General conditions . 33
13.1 Normal test modulation . 33
13.1.1 Analogue systems . 33
13.1.2 Digital systems . 33
13.2 Artificial antenna . 34
13.3 Test fixture . 34
13.4 Test site and general arrangements for radiated measurements. 34
13.5 Modes of operation of the transmitter . 34
13.6 Arrangement for test signals at the input of the transmitter . 35
14 Methods of measurement and limits for transmitter parameters . 35
14.1 Frequency stability . 35
14.1.1 Method of measurement (analogue) . 35
14.1.2 Method of measurement (digital) . 35
14.1.3 Limit . 35
14.2 Rated output power . 35
14.2.1 Method of measurement for equipment without integral antenna . 35
14.2.2 Method of measurement for equipment with integral antenna. 35
14.2.2.1 Method of measurement under normal test conditions . 35
14.2.3 Limit . 36
14.3 Necessary bandwidth . 36
14.3.1 Necessary Bandwidth (BN) for Analogue Systems . 36
14.3.1.1 Method of Measurement . 36
14.3.1.2 Limits . 37
14.3.2 Necessary Bandwidth (BN) for Digital Systems . 38
14.3.2.1 Method of Measurement . 38
14.3.2.2 Limits . 39
14.4 Spurious emissions . 39
14.4.1 Definition . 39
14.4.2 Method of measurement . 39
14.4.3 Limits . 39
14.4.4 Measuring receiver . 39
15 Receiver . 40
15.1 Spurious emissions . 40
15.1.1 Definitions . 40
15.1.2 Method of measuring the power level in a specified load. 40
15.1.3 Method of measuring the effective radiated power of the enclosure . 40
15.1.4 Method of measuring the effective radiated power . 41
15.1.5 Limits . 41
16 Measurement uncertainty . 41
Annex A (normative): Radiated measurement . 42
A.1 Test sites and general arrangements for measurements involving the use of radiated fields . 42
A.1.1 Anechoic Chamber . 42
A.1.2 Anechoic Chamber with a conductive ground plane . 43
A.1.3 Open Area Test Site (OATS) . 44
A.1.4 Test antenna . 45
A.1.5 Substitution antenna . 45
A.1.6 Measuring antenna . 46
A.1.7 Stripline arrangement . 46
A.1.7.1 General . 46
A.1.7.2 Description . 46
A.1.7.3 Calibration . 46
ETSI

---------------------- Page: 5 ----------------------
6 ETSI EN 300 422-1 V1.5.1 (2015-06)
A.1.7.4 Mode of use . 46
A.2 Guidance on the use of radiation test sites . 46
A.2.1 Verification of the test site . 46
A.2.2 Preparat
...

Draft ETSI EN 300 422-1 V1.5.0 (2015-01)






EUROPEAN STANDARD
Electromagnetic compatibility
and Radio spectrum Matters (ERM);
Wireless microphones
in the 25 MHz to 3 GHz frequency range;
Part 1: Technical characteristics and
methods of measurement

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 300 422-1 V1.5.0 (2015-01)



Reference
REN/ERM-TG17WG3-14
Keywords
audio, radio, radio MIC, testing
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: +33 4 92 94 42 00  Fax: +33 4 93 65 47 16

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document can be downloaded from:
http://www.etsi.org
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any
existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the
print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying
and microfilm except as authorized by written permission of ETSI.
The content of the PDF version shall not be modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2015.
All rights reserved.

TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM TM
3GPP and LTE are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 Draft ETSI EN 300 422-1 V1.5.0 (2015-01)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 10
3 Definitions, symbols and abbreviations . 11
3.1 Definitions . 11
3.2 Symbols . 13
3.3 Abbreviations . 13
4 Functional characteristics for Radio microphones . 14
4.1 Radio microphone descriptions . 14
4.2 In ear monitoring . 14
4.3 Tour Guide systems . 14
5 General . 14
5.1 Presentation of equipment for testing purposes . 14
5.1.1 Choice of model for testing . 15
5.1.2 Definitions of alignment and switching ranges . 15
5.1.3 Choice of frequencies . 15
5.1.4 Testing of single channel equipment . 15
5.1.5 Testing of two channel equipment . 16
5.1.6 Testing of multi-channel equipment (more than two channels) . 16
5.1.7 Testing of equipment without a permanent external RF port . 16
5.1.7.1 Equipment with a permanent internal RF port . 16
5.1.7.2 Equipment with a temporary RF port . 16
5.2 Mechanical and electrical design . 16
5.2.1 General . 16
5.2.2 Controls . 16
5.2.3 Performance testing with Integral antenna . 16
5.2.4 Marking (equipment identification) . 16
5.3 Interpretation of the measurement results . 17
6 Test conditions, power sources and ambient conditions . 17
6.1 Normal and extreme test-conditions . 17
6.2 Test power source . 17
6.3 Normal test conditions . 17
6.3.1 Normal temperature and humidity . 17
6.3.2 Normal test power source voltage . 18
6.3.2.1 Mains voltage . 18
6.3.2.2 Other power sources . 18
6.4 Extreme test conditions . 18
6.4.1 Extreme temperatures . 18
6.4.1.1 Procedures for tests at extreme temperatures . 18
6.4.2 Extreme test power source voltages . 18
6.4.2.1 Mains voltage . 18
6.4.2.2 Other power sources . 18
7 General conditions . 19
7.1 Normal test modulation . 19
7.1.1 Analogue systems . 19
7.1.2 Digital systems . 20
ETSI

---------------------- Page: 3 ----------------------
4 Draft ETSI EN 300 422-1 V1.5.0 (2015-01)
7.2 Artificial antenna . 20
7.3 Test fixture . 20
7.4 Test site and general arrangements for radiated measurements. 21
7.5 Modes of operation of the transmitter . 21
7.6 Arrangement for test signals at the input of the transmitter . 21
8 Methods of measurement and limits for transmitter parameters . 21
8.1 Frequency stability . 21
8.1.1 Method of measurement (analogue) . 21
8.1.2 Method of measurement (digital) . 21
8.1.3 Limit . 21
8.2 Rated output power . 22
8.2.1 Method of measurement for equipment without integral antenna . 22
8.2.2 Method of measurement for equipment with integral antenna. 22
8.2.2.1 Method of measurement under normal test conditions . 22
8.2.3 Limit . 22
8.3 Necessary bandwidth . 22
8.3.1 Necessary Bandwidth (BN) for Analogue Systems . 23
8.3.1.1 Method of Measurement . 23
8.3.1.2 Limits . 24
8.3.2 Necessary Bandwidth (BN) for Digital Systems . 24
8.3.2.1 Method of Measurement . 24
8.3.2.2 Limits . 26
8.4 Spurious emissions . 27
8.4.1 Definition . 27
8.4.2 Method of measurement . 27
8.4.3 Limits . 27
8.4.4 Measuring receiver . 27
9 Receiver . 28
9.1 Spurious emissions . 28
9.1.1 Definitions . 28
9.1.2 Method of measuring the power level in a specified load. 28
9.1.3 Method of measuring the effective radiated power of the enclosure . 28
9.1.4 Method of measuring the effective radiated power . 29
9.1.5 Limits . 29
10 Functional characteristics for Assistive listening devices . 29
10.1 Assistive Listening Devices (Aids for the handicapped) . 29
11 General . 30
11.1 Presentation of equipment for testing purposes . 30
11.1.1 Choice of model for testing . 31
11.1.2 Definitions of alignment and switching ranges . 31
11.1.3 Choice of frequencies . 31
11.1.4 Testing of single channel equipment . 31
11.1.5 Testing of two channel equipment . 31
11.1.6 Testing of multi-channel equipment (more than two channels) . 31
11.1.7 Testing of equipment without a permanent external RF port . 31
11.1.7.1 Equipment with a permanent internal RF port . 32
11.1.7.2 Equipment with a temporary RF port . 32
11.2 Mechanical and electrical design . 32
11.2.1 General . 32
11.2.2 Controls . 32
11.2.3 Performance testing with Integral antenna . 32
11.2.4 Marking (equipment identification) . 32
11.3 Interpretation of the measurement results . 32
12 Test conditions, power sources and ambient conditions . 33
12.1 Normal and extreme test-conditions . 33
12.2 Test power source . 33
12.3 Normal test conditions . 33
12.3.1 Normal temperature and humidity . 33
12.3.2 Normal test power source voltage . 33
ETSI

---------------------- Page: 4 ----------------------
5 Draft ETSI EN 300 422-1 V1.5.0 (2015-01)
12.3.2.1 Mains voltage . 33
12.3.2.2 Other power sources . 34
12.4 Extreme test conditions . 34
12.4.1 Extreme temperatures . 34
12.4.1.1 Procedures for tests at extreme temperatures . 34
12.4.2 Extreme test power source voltages . 34
12.4.2.1 Mains voltage . 34
12.4.2.2 Other power sources . 34
13 General conditions . 34
13.1 Normal test modulation . 34
13.1.1 Analogue systems . 34
13.1.2 Digital systems . 35
13.2 Artificial antenna . 35
13.3 Test fixture . 35
13.4 Test site and general arrangements for radiated measurements. 36
13.5 Modes of operation of the transmitter . 36
13.6 Arrangement for test signals at the input of the transmitter . 36
14 Methods of measurement and limits for transmitter parameters . 36
14.1 Frequency stability . 36
14.1.1 Method of measurement (analogue) . 36
14.1.2 Method of measurement (digital) . 36
14.1.3 Limit . 36
14.2 Rated output power . 37
14.2.1 Method of measurement for equipment without integral antenna . 37
14.2.2 Method of measurement for equipment with integral antenna. 37
14.2.2.1 Method of measurement under normal test conditions . 37
14.2.3 Limit . 38
14.3 Necessary bandwidth . 38
14.3.1 Necessary Bandwidth (BN) for Analogue Systems . 38
14.3.1.1 Method of Measurement . 38
14.3.1.2 Limits . 39
14.3.2 Necessary Bandwidth (BN) for Digital Systems . 40
14.3.2.1 Method of Measurement . 40
14.3.2.2 Limits . 40
14.4 Spurious emissions . 40
14.4.1 Definition . 40
14.4.2 Method of measurement . 40
14.4.3 Limits . 41
14.4.4 Measuring receiver . 41
15 Receiver . 41
15.1 Spurious emissions . 41
15.1.1 Definitions . 41
15.1.2 Method of measuring the power level in a specified load. 42
15.1.3 Method of measuring the effective radiated power of the enclosure . 42
15.1.4 Method of measuring the effective radiated power . 42
15.1.5 Limits . 42
16 Measurement uncertainty . 43
Annex A (normative): Radiated measurement . 44
A.1 Test sites and general arrangements for measurements involving the use of radiated fields . 44
A.1.1 Anechoic Chamber . 44
A.1.2 Anechoic Chamber with a conductive ground plane . 45
A.1.3 Open Area Test Site (OATS) . 46
A.1.4 Test antenna . 47
A.1.5 Substitution antenna . 47
A.1.6 Measuring antenna . 48
A.1.7 Stripline arrangement . 48
A.1.7.1 General . 48
A.1.7.2 Description . 48
ETSI

---------------------- Page: 5 ----------------------
6 Draft ETSI EN 300 422-1 V1.5.0 (2015-01)
A.1.7.3 Calibration . 48
A.1.7.4 Mode of use . 48
A.2 Guidance on the use of radiation test sites . 48
A.2.1 Verification of the test site . 48
A.2.2 P
...