ETSI EN 301 025 V2.1.1 (2015-12)

ETSI EN 301 025 V2.1.1 (2015-12)






HARMONISED EUROPEAN STANDARD
VHF radiotelephone equipment for general communications
and associated equipment for Class "D"
Digital Selective Calling (DSC);
Harmonised Standard covering the essential requirements
of articles 3.2 and 3.3(g) of the Directive 2014/53/EU

---------------------- Page: 1 ----------------------
2 ETSI EN 301 025 V2.1.1 (2015-12)



Reference
REN/ERM-TG26-137
Keywords
DSC, maritime, radio, traffic, VHF
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 301 025 V2.1.1 (2015-12)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definitions, symbols and abbreviations . 11
3.1 Definitions . 11
3.2 Symbols . 12
3.3 Abbreviations . 12
4 General and operational requirements . 12
4.1 General . 12
4.2 Composition . 12
4.3 Construction . 13
4.4 Controls and indicators . 13
4.5 DSC interface for non-integrated controllers . 14
4.6 Display . 14
4.7 Handset and loudspeaker . 14
4.8 Safety precautions . 14
4.9 Labelling. 14
4.10 Warm up . 14
5 Technical requirements . 14
5.1 Switching time . 14
5.2 Class of emission and modulation characteristics . 15
5.3 DSC operation . 15
5.3.1 General . 15
5.4 Multiple watch facilities . 15
5.4.1 General . 15
5.4.2 Scanning provisions . 15
5.4.3 Scanning characteristics . 16
6 General conditions of measurement . 16
6.1 Arrangements for test signals applied to the receiver input . 16
6.2 Squelch . 16
6.3 Transmission time limitation . 16
6.4 Normal test modulation . 16
6.5 Artificial antenna . 16
6.6 Arrangements for test signals applied to the transmitter input . 17
6.7 Test channels . 17
6.8 Generation and examination of the digital selective call signal . 17
6.9 Standard test signals for DSC . 17
6.10 Determination of the symbol error ratio in the output of the receiving part . 17
6.11 Void . 17
6.12 Test conditions, power sources, and ambient temperatures . 17
6.12.1 Normal and extreme test conditions. 17
6.12.2 Test power source . 18
6.13 Normal test conditions . 18
6.13.1 Normal temperature and humidity . 18
6.13.2 Normal power sources . 18
6.13.2.1 Battery power source. 18
6.13.2.2 Other power sources . 18
6.14 Extreme test conditions . 18
6.14.1 Extreme temperatures . 18
6.14.2 Extreme values of test power sources . 18
ETSI

---------------------- Page: 3 ----------------------
4 ETSI EN 301 025 V2.1.1 (2015-12)
6.14.2.1 Battery power source. 18
6.14.2.2 Other power sources . 18
6.15 Procedure for tests at extreme temperatures . 18
7 Environmental tests . 19
7.1 Introduction . 19
7.2 Procedure . 19
7.3 Performance check . 19
7.4 Vibration test . 19
7.4.1 Definition . 19
7.4.2 Method of measurement . 20
7.4.3 Requirement . 20
7.5 Temperature tests . 20
7.5.1 Definition . 20
7.5.2 Dry heat . 20
7.5.2.1 Definition . 20
7.5.2.2 Method of measurement . 20
7.5.2.3 Requirement . 20
7.5.3 Damp heat . 21
7.5.3.1 Definition . 21
7.5.3.2 Method of measurement . 21
7.5.3.3 Requirement . 21
7.5.4 Low temperature . 21
7.5.4.1 Definition . 21
7.5.4.2 Method of measurement . 21
7.5.4.3 Requirement . 21
8 Transmitter . 21
8.1 Frequency error . 21
8.1.1 Definition . 21
8.1.2 Method of measurement . 21
8.1.3 Limits . 22
8.2 Carrier power . 22
8.2.1 Definition . 22
8.2.2 Method of measurement . 22
8.2.3 Limits . 22
8.2.3.1 Normal test conditions . 22
8.2.3.2 Extreme test conditions . 22
8.3 Frequency deviation . 22
8.3.1 Definition . 22
8.3.2 Maximum permissible frequency deviation . 22
8.3.2.1 Method of measurement . 22
8.3.2.2 Limits . 23
8.3.3 Reduction of frequency deviation at modulation frequencies above 3 kHz . 23
8.3.3.1 Method of measurement . 23
8.3.3.2 Limits . 23
8.4 Sensitivity of the modulator, including microphone . 24
8.4.1 Definition . 24
8.4.2 Method of measurement . 24
8.4.3 Limits . 24
8.5 Audio frequency response . 24
8.5.1 Definition . 24
8.5.2 Method of measurement . 25
8.5.3 Limit . 25
8.6 Audio frequency harmonic distortion of the emission. 25
8.6.1 Definition . 25
8.6.2 Method of measurement . 26
8.6.2.1 General . 26
8.6.2.2 Normal test conditions . 26
8.6.2.3 Extreme test conditions . 26
8.6.3 Limits . 26
8.7 Adjacent channel power . 26
ETSI

---------------------- Page: 4 ----------------------
5 ETSI EN 301 025 V2.1.1 (2015-12)
8.7.1 Definition . 26
8.7.2 Method of measurement . 26
8.7.3 Limits . 27
8.8 Conducted spurious emissions conveyed to the antenna . 27
8.8.1 Definition . 27
8.8.2 Method of measurement . 27
8.8.3 Limit . 27
8.9 Cabinet radiation and conducted spurious emissions other than those conveyed to the antenna . 27
8.9.1 Definitions . 27
8.9.2 Method of measurement . 27
8.9.3 Limits . 28
8.10 Transient frequency behaviour of the transmitter . 28
8.10.1 Definitions . 28
8.10.2 Method of measurement . 29
8.10.3 Limits . 31
8.11 Residual modulation of the transmitter . 31
8.11.1 Definition . 31
8.11.2 Method of measurement . 31
8.11.3 Limit . 31
8.12 Frequency error (demodulated DSC signal) . 31
8.12.1 Definition . 31
8.12.2 Method of measurement . 31
8.12.3 Limits . 32
8.13 Modulation index for DSC . 32
8.13.1 Definition . 32
8.13.2 Method of measurement . 32
8.13.3 Limits . 32
8.14 Modulation rate for DSC . 32
8.14.1 Definition . 32
8.14.2 Method of measurement . 32
8.14.3 Limits . 32
8.15 Testing of free channel transmission on DSC channel 70 . 32
8.15.1 Definition . 32
8.15.2 Method of measurement . 32
8.15.3 Requirement . 33
9 Radiotelephone receiver . 33
9.1 Harmonic distortion and rated audio-frequency output power . 33
9.1.1 Definition . 33
9.1.2 Methods of measurement . 33
9.1.3 Limits . 33
9.2 Audio frequency response . 33
9.2.1 Definition . 33
9.2.2 Method of measurement . 33
9.2.3 Limits . 34
9.3 Maximum usable sensitivity . 34
9.3.1 Definition . 34
9.3.2 Method of measurement . 35
9.3.3 Limits . 35
9.4 Co-channel rejection. 35
9.4.1 Definition . 35
9.4.2 Method of measurement . 35
9.4.3 Limit . 35
9.5 Adjacent channel selectivity .
...

Draft ETSI EN 301 025 V2.1.0 (2015-08)






HARMONISED EUROPEAN STANDARD
VHF radiotelephone equipment for general communications
and associated equipment for Class "D"
Digital Selective Calling (DSC);
Harmonised Standard covering the essential requirements
of articles 3.2 and 3.3(g) of the Directive 2014/53/EU

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 301 025 V2.1.0 (2015-08)



Reference
REN/ERM-TG26-137
Keywords
DSC, maritime, radio, traffic, VHF
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 Draft ETSI EN 301 025 V2.1.0 (2015-08)
Contents
Intellectual Property Rights . 9
Foreword . 9
Modal verbs terminology . 9
1 Scope . 10
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definitions, symbols and abbreviations . 11
3.1 Definitions . 11
3.2 Symbols . 12
3.3 Abbreviations . 12
4 General and operational requirements . 12
4.1 General . 12
4.2 Composition . 12
4.3 Construction . 13
4.4 Controls and indicators . 13
4.5 DSC interface for non-integrated controllers . 14
4.6 Display . 14
4.7 Handset and loudspeaker . 14
4.8 Safety precautions . 14
4.9 Labelling. 14
4.10 Warm up . 14
5 Technical requirements . 14
5.1 Switching time . 14
5.2 Class of emission and modulation characteristics . 15
5.3 DSC operation . 15
5.3.1 General . 15
5.4 Multiple watch facilities . 15
5.4.1 General . 15
5.4.2 Scanning provisions . 15
5.4.3 Scanning characteristics . 16
6 General conditions of measurement . 16
6.1 Arrangements for test signals applied to the receiver input . 16
6.2 Squelch . 16
6.3 Transmission time limitation . 16
6.4 Normal test modulation . 16
6.5 Artificial antenna . 16
6.6 Arrangements for test signals applied to the transmitter input . 17
6.7 Test channels . 17
6.8 Generation and examination of the digital selective call signal . 17
6.9 Standard test signals for DSC . 17
6.10 Determination of the symbol error ratio in the output of the receiving part . 17
6.11 Void . 17
6.12 Test conditions, power sources, and ambient temperatures . 17
6.12.1 Normal and extreme test conditions. 17
6.12.2 Test power source . 18
6.13 Normal test conditions . 18
6.13.1 Normal temperature and humidity . 18
6.13.2 Normal power sources . 18
6.13.2.1 Battery power source. 18
6.13.2.2 Other power sources . 18
6.14 Extreme test conditions . 18
6.14.1 Extreme temperatures . 18
6.14.2 Extreme values of test power sources . 18
ETSI

---------------------- Page: 3 ----------------------
4 Draft ETSI EN 301 025 V2.1.0 (2015-08)
6.14.2.1 Battery power source. 18
6.14.2.2 Other power sources . 18
6.15 Procedure for tests at extreme temperatures . 18
7 Environmental tests . 19
7.1 Introduction . 19
7.2 Procedure . 19
7.3 Performance check . 19
7.4 Vibration test . 19
7.4.1 Definition . 19
7.4.2 Method of measurement . 20
7.4.3 Requirement . 20
7.5 Temperature tests . 20
7.5.1 Definition . 20
7.5.2 Dry heat . 20
7.5.2.1 Definition . 20
7.5.2.2 Method of measurement . 20
7.5.2.3 Requirement . 20
7.5.3 Damp heat . 21
7.5.3.1 Definition . 21
7.5.3.2 Method of measurement . 21
7.5.3.3 Requirement . 21
7.5.4 Low temperature . 21
7.5.4.1 Definition . 21
7.5.4.2 Method of measurement . 21
7.5.4.3 Requirement . 21
8 Transmitter . 21
8.1 Frequency error . 21
8.1.1 Definition . 21
8.1.2 Method of measurement . 21
8.1.3 Limits . 22
8.2 Carrier power . 22
8.2.1 Definition . 22
8.2.2 Method of measurement . 22
8.2.3 Limits . 22
8.2.3.1 Normal test conditions . 22
8.2.3.2 Extreme test conditions . 22
8.3 Frequency deviation . 22
8.3.1 Definition . 22
8.3.2 Maximum permissible frequency deviation . 22
8.3.2.1 Method of measurement . 22
8.3.2.2 Limits . 23
8.3.3 Reduction of frequency deviation at modulation frequencies above 3 kHz . 23
8.3.3.1 Method of measurement . 23
8.3.3.2 Limits . 23
8.4 Sensitivity of the modulator, including microphone . 24
8.4.1 Definition . 24
8.4.2 Method of measurement . 24
8.4.3 Limits . 24
8.5 Audio frequency response . 24
8.5.1 Definition . 24
8.5.2 Method of measurement . 25
8.5.3 Limit . 25
8.6 Audio frequency harmonic distortion of the emission. 25
8.6.1 Definition . 25
8.6.2 Method of measurement . 26
8.6.2.1 General . 26
8.6.2.2 Normal test conditions . 26
8.6.2.3 Extreme test conditions . 26
8.6.3 Limits . 26
8.7 Adjacent channel power . 26
ETSI

---------------------- Page: 4 ----------------------
5 Draft ETSI EN 301 025 V2.1.0 (2015-08)
8.7.1 Definition . 26
8.7.2 Method of measurement . 26
8.7.3 Limits . 27
8.8 Conducted spurious emissions conveyed to the antenna . 27
8.8.1 Definition . 27
8.8.2 Method of measurement . 27
8.8.3 Limit . 27
8.9 Cabinet radiation and conducted spurious emissions other than those conveyed to the antenna . 27
8.9.1 Definitions . 27
8.9.2 Method of measurement . 27
8.9.3 Limits . 28
8.10 Transient frequency behaviour of the transmitter . 28
8.10.1 Definitions . 28
8.10.2 Method of measurement . 29
8.10.3 Limits . 31
8.11 Residual modulation of the transmitter . 31
8.11.1 Definition . 31
8.11.2 Method of measurement . 31
8.11.3 Limit . 31
8.12 Frequency error (demodulated DSC signal) . 31
8.12.1 Definition . 31
8.12.2 Method of measurement . 31
8.12.3 Limits . 32
8.13 Modulation index for DSC . 32
8.13.1 Definition . 32
8.13.2 Method of measurement . 32
8.13.3 Limits . 32
8.14 Modulation rate for DSC . 32
8.14.1 Definition . 32
8.14.2 Method of measurement . 32
8.14.3 Limits . 32
8.15 Testing of free channel transmission on DSC channel 70 . 32
8.15.1 Definition . 32
8.15.2 Method of measurement . 32
8.15.3 Requirement . 33
9 Radiotelephone receiver . 33
9.1 Harmonic distortion and rated audio-frequency output power . 33
9.1.1 Definition . 33
9.1.2 Methods of measurement . 33
9.1.3 Limits . 33
9.2 Audio frequency response . 33
9.2.1 Definition . 33
9.2.2 Method of measurement . 33
9.2.3 Limits . 34
9.3 Maximum usable sensitivity . 34
9.3.1 Definition . 34
9.3.2 Method of measurement . 35
9.3.3 Limits . 35
9.4 Co-channel rejection. 35
9.4.1 Definition . 35
9.4.2 Method of measurement . 35
9.4.3 Limit . 35
9.5 Adjacent channel selectivity .
...