SIST EN 303 758 V1.1.1:2021

ETSI EN 303 758 V1.1.1 (2021-07)






HARMONISED EUROPEAN STANDARD
TETRA radio equipment using non-constant envelope
modulation operating in a channel bandwidth
of 25 kHz, 50 kHz, 100 kHz or 150 kHz;
Harmonised Standard for access to radio spectrum

---------------------- Page: 1 ----------------------
2 ETSI EN 303 758 V1.1.1 (2021-07)

Reference
DEN/ERM-TGDMR-381
Keywords
data, mobile, PMR, radio, repeater, TETRA, voice
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 - APE 7112B
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° w061004871

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 prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
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
Notice of disclaimer & limitation of liability
The information provided in the present deliverable is directed solely to professionals who have the appropriate degree of
experience to understand and interpret its content in accordance with generally accepted engineering or
other professional standard and applicable regulations.
No recommendation as to products and services or vendors is made or should be implied.
In no event shall ETSI be held liable for loss of profits or any other incidental or consequential damages.

Any software contained in this deliverable is provided "AS IS" with no warranties, express or implied, including but not
limited to, the warranties of merchantability, fitness for a particular purpose and non-infringement of intellectual property
rights and ETSI shall not be held liable in any event for any damages whatsoever (including, without limitation, damages
for loss of profits, business interruption, loss of information, or any other pecuniary loss) arising out of or related to the use
of or inability to use the software.
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.

© ETSI 2021.
All rights reserved.

ETSI

---------------------- Page: 2 ----------------------
3 ETSI EN 303 758 V1.1.1 (2021-07)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 11
3.1 Terms . 11
3.2 Symbols . 12
3.3 Abbreviations . 12
4 General . 13
4.1 Testing . 13
4.1.1 Choice of model for testing . 13
4.1.1.1 General . 13
4.1.1.2 Auxiliary test equipment . 13
4.1.2 Presentation of equipment for testing purposes . 14
4.2 Mechanical and electrical design . 14
4.2.1 Transmitter shut-off facility . 14
4.3 Measuring continuous mode equipment . 14
4.4 Measuring discontinuous mode equipment . 14
4.5 Equipment supporting more than one channel bandwidth . 14
4.6 Environmental profile . 15
5 Test conditions, power sources and ambient temperatures . 15
5.1 Normal and extreme test conditions . 15
5.2 Test power source . 15
5.3 Normal test conditions . 15
5.3.1 Normal temperature and humidity . 15
5.3.2 Normal test power source . 15
5.3.2.1 Mains voltage . 15
5.3.2.2 Regulated lead-acid battery power sources used on vehicles . 16
5.3.2.3 Other power sources . 16
5.4 Extreme test conditions . 16
5.4.1 Extreme temperatures . 16
5.4.2 Extreme test source voltages . 16
5.4.2.1 Mains voltage . 16
5.4.2.2 Regulated lead-acid battery power sources used on vehicles . 16
5.4.2.3 Power sources using other types of batteries . 16
5.4.2.4 Other power sources . 16
5.5 Procedure for tests at extreme temperatures . 17
5.5.1 Thermal balance . 17
5.5.2 Procedure for equipment designed for continuous transmission. 17
5.5.3 Procedure for equipment designed for intermittent transmission . 17
5.5.4 Testing of equipment that does not have an external 50 Ω RF connector (integral antenna
equipment) . 17
6 General conditions of measurement . 18
6.1 Arrangements for test signals applied to the receiver input . 18
6.2 Test load (artificial antenna) . 18
6.3 Test signals (wanted and unwanted signals) . 18
6.3.1 General . 18
6.3.2 Test signal T1 (TETRA wanted signal, phase modulation) . 18
6.3.2.1 Test signal framing . 18
6.3.2.2 MS testing . 18
ETSI

---------------------- Page: 3 ----------------------
4 ETSI EN 303 758 V1.1.1 (2021-07)
6.3.2.3 BS testing . 19
6.3.3 Test signal T2 (TETRA interferer) . 20
6.3.4 Test signal T3 (unmodulated interferer) . 20
6.3.5 Test signal T4 (TETRA wanted signal, QAM) . 20
6.3.5.1 Test signal structure . 20
6.3.5.2 MS testing . 20
6.3.5.2.1 Test signal usage. 20
6.3.5.2.2 Use of synchronization burst in frame 18 when testing CA MSs . 22
6.3.5.2.3 Use of frequency correction burst in frame 18 when testing DA MSs . 24
6.3.5.3 BS testing . 26
6.4 Transceiver data interface. 26
6.5 Duplex equipment . 26
6.6 Measurement filter definition . 27
6.7 TMO Repeaters . 27
7 Technical characteristics of the transmitter . 27
7.1 Transmitter output power (conducted) . 27
7.1.1 Definitions . 27
7.1.2 Method of measurement . 28
7.1.3 Limits . 28
7.2 Adjacent and alternate channel power . 29
7.2.1 Definition . 29
7.2.2 Method of measurement . 30
7.2.3 Limits . 31
7.2.3.1 Limits for TMO Repeaters . 31
7.2.3.2 Limits for BS and MS equipment . 31
7.2.3.2.1 Limit values for phase modulation . 31
7.2.3.2.2 Limit values for QAM . 32
7.3 Unwanted emissions in the spurious domain. 33
7.3.1 Definition . 33
7.3.2 Method of measuring the power level . 33
7.3.2.1 Measurement options . 33
7.3.2.2 Method of measuring conducted spurious emissions . 34
7.3.2.3 Method of measuring radiated spurious emissions . 34
7.3.2.4 Method of measuring the effective radiated power . 35
7.3.2.5 Method of measuring wideband noise. 35
7.3.3 Limits . 36
7.3.3.1 Spurious emissions power . 36
7.3.3.2 Wideband noise power . 37
7.3.3.2.1 Limit values for MS and BS for phase modulation . 37
7.3.3.2.2 Limit values for MS and BS for QAM . 38
7.3.3.2.3 Limit values for TMO repeater equipment . 39
7.4 Intermodulation attenuation. 40
7.4.1 Applicability . 40
7.4.2 Definition . 40
7.4.3 Method of measurement . 40
7.4.3.1 Measurement for TMO repeater equipment . 40
7.4.3.2 Measurement for BS . 41
7.4.4 Limits . 41
7.4.4.1 Limits for TMO repeater equipment . 41
7.4.4.2 Limits for BS equipment . 42
7.5 Adjacent channel transient power measurements . 42
7.5.1 Definition . 42
7.5.2 Method of Measurement . 42
7.5.3 Limits . 43
7.6 Frequency error . 43
7.6.1 Definition . 43
7.6.2 Method of measurement . 43
7.6.3 Limits . 44
7.7 Out of band gain for TMO repeater equipment . 44
7.7.1 Applicability . 44
7.7.2 Definition . 44
ETSI

---------------------- Page: 4 ----------------------
5 ETSI EN 303 758 V1.1.1 (2021-07)
7.7.3 Method of measurement . 44
7.7.4 Limits . 45
7.8 Modulation accuracy . 45
7.8.1 Applicability . 45
7.8.2 Definition . 45
7.8.3 Method of measurement . 45
7.8.4 Limits . 46
8 Technical characteristics of the receiver . 46
8.1 Applicability . 46
8.2 Receiver sensitivity . 46
8.2.1 General . 46
8.2.2 Definition . 46
8.2.3 Method of measurement . 47
8.2.4 Limits . 47
8.2.4.1 Limit values for phase modulation . 47
8.2.4.2 Limit values for QAM . 48
8.3 Blocking or desensitization . 48
8.3.1 Definition . 48
8.3.2 Method of measurement . 48
8.3.3 Limits . 49
8.4 Adjacent channel selectivity . 49
8.4.1 Definition . 49
8.4.2 Method of measurement . 49
8.4.3 Limits . 50
8.5 Spurious radiations . 51
8.5.1 Definition . 51
8.5.2 Methods of measurement . 51
8.5.2.1 Method of measuring the power level in a specified load . 51
8.5.2.2 Method of measuring the effective radiated power . 51
8.5.3 Limits . 52
8.6 Co-channel rejection. 53
8.6.1 Definition . 53
8.6.2 Method of measurement . 53
8.6.3 Limits . 54
8.6.3.1 Limit values for phase modulation . 54
8.6.3.2 Limit values for QAM . 54
8.7 Intermodulation response rejection . 54
8.7.1 Definition . 54
8.7.2 Method of measurement . 55
8.7.3 Limit . 55
8.8 Spurious response rejection . 56
8.8.1 Definition . 56
8.8.2 Method of measurement . 56
8.8.3 Limits . 56
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 57
Annex B (normative): Radiated measurement . 59
B.1 Test sites and general arrangements for measurements involving the use of radiated fields . 59
B.1.1 General . 59
B.1.2 Anechoic chamber . 59
B.1.3 Anechoic chamber with a conductive ground plane . 60
B.1.4 Open Area Test Site (OATS) . 61
B.1.5 Test antenna . 62
B.1.6 Substitution antenna . 62
B.1.7 Measuring antenna .
...

Draft ETSI EN 303 758 V1.1.0 (2021-04)






HARMONISED EUROPEAN STANDARD
TETRA radio equipment using non-constant envelope
modulation operating in a channel bandwidth
of 25 kHz, 50 kHz, 100 kHz or 150 kHz;
Harmonised Standard for access to radio spectrum

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 303 758 V1.1.0 (2021-04)



Reference
DEN/ERM-TGDMR-381
Keywords
data, mobile, PMR, radio, repeater, TETRA, voice
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 prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
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.

© ETSI 2021.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3 Draft ETSI EN 303 758 V1.1.0 (2021-04)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 9
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 General . 12
4.1 Testing . 12
4.1.1 Choice of model for testing . 12
4.1.1.1 General . 12
4.1.1.2 Auxiliary test equipment . 12
4.1.2 Presentation of equipment for testing purposes . 13
4.2 Mechanical and electrical design . 13
4.2.1 Transmitter shut-off facility . 13
4.3 Measuring continuous mode equipment . 13
4.4 Measuring discontinuous mode equipment . 13
4.5 Equipment supporting more than one channel bandwidth . 13
4.6 Environmental profile . 14
5 Test conditions, power sources and ambient temperatures . 14
5.1 Normal and extreme test conditions . 14
5.2 Test power source . 14
5.3 Normal test conditions . 14
5.3.1 Normal temperature and humidity . 14
5.3.2 Normal test power source . 14
5.3.2.1 Mains voltage . 14
5.3.2.2 Regulated lead-acid battery power sources used on vehicles . 15
5.3.2.3 Other power sources . 15
5.4 Extreme test conditions . 15
5.4.1 Extreme temperatures . 15
5.4.2 Extreme test source voltages . 15
5.4.2.1 Mains voltage . 15
5.4.2.2 Regulated lead-acid battery power sources used on vehicles . 15
5.4.2.3 Power sources using other types of batteries . 15
5.4.2.4 Other power sources . 15
5.5 Procedure for tests at extreme temperatures . 16
5.5.1 Thermal balance . 16
5.5.2 Procedure for equipment designed for continuous transmission. 16
5.5.3 Procedure for equipment designed for intermittent transmission . 16
5.5.4 Testing of equipment that does not have an external 50 Ω RF connector (integral antenna
equipment) . 16
6 General conditions of measurement . 17
6.1 Arrangements for test signals applied to the receiver input . 17
6.2 Test load (artificial antenna) . 17
6.3 Test signals (wanted and unwanted signals) . 17
6.3.1 General . 17
6.3.2 Test signal T1 (TETRA wanted signal, phase modulation) . 17
6.3.2.1 Test signal framing . 17
6.3.2.2 MS testing . 17
ETSI

---------------------- Page: 3 ----------------------
4 Draft ETSI EN 303 758 V1.1.0 (2021-04)
6.3.2.3 BS testing . 18
6.3.3 Test signal T2 (TETRA interferer) . 19
6.3.4 Test signal T3 (unmodulated interferer) . 19
6.3.5 Test signal T4 (TETRA wanted signal, QAM) . 19
6.3.5.1 Test signal structure . 19
6.3.5.2 MS testing . 19
6.3.5.2.1 Test signal usage. 19
6.3.5.2.2 Use of synchronization burst in frame 18 when testing CA MSs . 21
6.3.5.2.3 Use of frequency correction burst in frame 18 when testing DA MSs . 23
6.3.5.3 BS testing . 25
6.4 Transceiver data interface. 25
6.5 Duplex equipment . 25
6.6 Measurement filter definition . 26
6.7 TMO Repeaters . 26
7 Technical characteristics of the transmitter . 26
7.1 Transmitter output power (conducted) . 26
7.1.1 Definitions . 26
7.1.2 Method of measurement . 27
7.1.3 Limits . 27
7.2 Adjacent and alternate channel power . 28
7.2.1 Definition . 28
7.2.2 Method of measurement . 29
7.2.3 Limits . 30
7.2.3.1 Limits for TMO Repeaters . 30
7.2.3.2 Limits for BS and MS equipment . 30
7.2.3.2.1 Limit values for phase modulation . 30
7.2.3.2.2 Limit values for QAM . 31
7.3 Unwanted emissions in the spurious domain. 32
7.3.1 Definition . 32
7.3.2 Method of measuring the power level . 32
7.3.2.1 Measurement options . 32
7.3.2.2 Method of measuring conducted spurious emissions . 33
7.3.2.3 Method of measuring radiated spurious emissions . 33
7.3.2.4 Method of measuring the effective radiated power . 34
7.3.2.5 Method of measuring wideband noise. 34
7.3.3 Limits . 35
7.3.3.1 Spurious emissions power . 35
7.3.3.2 Wideband noise power . 36
7.3.3.2.1 Limit values for MS and BS for phase modulation . 36
7.3.3.2.2 Limit values for MS and BS for QAM . 37
7.3.3.2.3 Limit values for TMO repeater equipment . 38
7.4 Intermodulation attenuation. 39
7.4.1 Applicability . 39
7.4.2 Definition . 39
7.4.3 Method of measurement . 39
7.4.3.1 Measurement for TMO repeater equipment . 39
7.4.3.2 Measurement for BS . 40
7.4.4 Limits . 40
7.4.4.1 Limits for TMO repeater equipment . 40
7.4.4.2 Limits for BS equipment . 41
7.5 Adjacent channel transient power measurements . 41
7.5.1 Definition . 41
7.5.2 Method of Measurement . 41
7.5.3 Limits . 42
7.6 Frequency error . 42
7.6.1 Definition . 42
7.6.2 Method of measurement . 42
7.6.3 Limits . 43
7.7 Out of band gain for TMO repeater equipment . 43
7.7.1 Applicability . 43
7.7.2 Definition . 43
ETSI

---------------------- Page: 4 ----------------------
5 Draft ETSI EN 303 758 V1.1.0 (2021-04)
7.7.3 Method of measurement . 43
7.7.4 Limits . 44
7.8 Modulation accuracy . 44
7.8.1 Applicability . 44
7.8.2 Definition . 44
7.8.3 Method of measurement . 44
7.8.4 Limits . 45
8 Technical characteristics of the receiver . 45
8.1 Applicability . 45
8.2 Receiver sensitivity . 45
8.2.1 General . 45
8.2.2 Definition . 45
8.2.3 Method of measurement . 46
8.2.4 Limits . 46
8.2.4.1 Limit values for phase modulation . 46
8.2.4.2 Limit values for QAM . 47
8.3 Blocking or desensitization . 47
8.3.1 Definition . 47
8.3.2 Method of measurement . 47
8.3.3 Limits . 48
8.4 Adjacent channel selectivity . 48
8.4.1 Definition . 48
8.4.2 Method of measurement . 48
8.4.3 Limits . 49
8.5 Spurious radiations . 50
8.5.1 Definition . 50
8.5.2 Methods of measurement . 50
8.5.2.1 Method of measuring the power level in a specified load . 50
8.5.2.2 Method of measuring the effective radiated power . 50
8.5.3 Limits . 51
8.6 Co-channel rejection. 52
8.6.1 Definition . 52
8.6.2 Method of measurement . 52
8.6.3 Limits . 53
8.6.3.1 Limit values for phase modulation . 53
8.6.3.2 Limit values for QAM . 53
8.7 Intermodulation response rejection . 53
8.7.1 Definition . 53
8.7.2 Method of measurement . 54
8.7.3 Limit . 54
8.8 Spurious response rejection . 55
8.8.1 Definition . 55
8.8.2 Method of measurement . 55
8.8.3 Limits . 55
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 56
Annex B (normative): Radiated measurement . 58
B.1 Test sites and general arrangements for measurements involving the use of radiated fields . 58
B.1.1 General . 58
B.1.2 Anechoic chamber . 58
B.1.3 Anechoic chamber with a conductive ground plane . 59
B.1.4 Open Area Test Site (OATS) . 60
B.1.5 Test antenna . 61
B.1.6 Substitution antenna . 61
B.1.7 Measuring antenna . 62
B.2 Guidance on the use of radiation test sites . 62
B.2.1 General . 62
B.2.2 Verification of the test site . 62
ETSI
...

SLOVENSKI STANDARD
oSIST prEN 303 758 V1.1.0:2021
01-junij-2021
Radijska oprema TETRA, ki uporablja modulacijo z nekonstantno ovojnico in
deluje v kanalih s pasovnimi širinami 25 kHz, 50 kHz, 100 kHz ali 150 kHz -
Harmonizirani standard za dostop do radijskega spektra
TETRA radio equipment using non-constant envelope modulation operating in a channel
bandwidth of 25 kHz, 50 kHz, 100 kHz or 150 kHz - Harmonised Standard for access to
radio spectrum
Ta slovenski standard je istoveten z: ETSI EN 303 758 V1.1.0 (2021-04)
ICS:
33.070.10 Prizemni snopovni radio Terrestrial Trunked Radio
(TETRA) (TETRA)
oSIST prEN 303 758 V1.1.0:2021 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 303 758 V1.1.0:2021

---------------------- Page: 2 ----------------------
oSIST prEN 303 758 V1.1.0:2021
Draft ETSI EN 303 758 V1.1.0 (2021-04)






HARMONISED EUROPEAN STANDARD
TETRA radio equipment using non-constant envelope
modulation operating in a channel bandwidth
of 25 kHz, 50 kHz, 100 kHz or 150 kHz;
Harmonised Standard for access to radio spectrum

---------------------- Page: 3 ----------------------
oSIST prEN 303 758 V1.1.0:2021

2 Draft ETSI EN 303 758 V1.1.0 (2021-04)



Reference
DEN/ERM-TGDMR-381
Keywords
data, mobile, PMR, radio, repeater, TETRA, voice
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 prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
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
https://portal.etsi.org/TB/ETSIDeliverableStatus.aspx
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.

© ETSI 2021.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 4 ----------------------
oSIST prEN 303 758 V1.1.0:2021

3 Draft ETSI EN 303 758 V1.1.0 (2021-04)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 9
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 General . 12
4.1 Testing . 12
4.1.1 Choice of model for testing . 12
4.1.1.1 General . 12
4.1.1.2 Auxiliary test equipment . 12
4.1.2 Presentation of equipment for testing purposes . 13
4.2 Mechanical and electrical design . 13
4.2.1 Transmitter shut-off facility . 13
4.3 Measuring continuous mode equipment . 13
4.4 Measuring discontinuous mode equipment . 13
4.5 Equipment supporting more than one channel bandwidth . 13
4.6 Environmental profile . 14
5 Test conditions, power sources and ambient temperatures . 14
5.1 Normal and extreme test conditions . 14
5.2 Test power source . 14
5.3 Normal test conditions . 14
5.3.1 Normal temperature and humidity . 14
5.3.2 Normal test power source . 14
5.3.2.1 Mains voltage . 14
5.3.2.2 Regulated lead-acid battery power sources used on vehicles . 15
5.3.2.3 Other power sources . 15
5.4 Extreme test conditions . 15
5.4.1 Extreme temperatures . 15
5.4.2 Extreme test source voltages . 15
5.4.2.1 Mains voltage . 15
5.4.2.2 Regulated lead-acid battery power sources used on vehicles . 15
5.4.2.3 Power sources using other types of batteries . 15
5.4.2.4 Other power sources . 15
5.5 Procedure for tests at extreme temperatures . 16
5.5.1 Thermal balance . 16
5.5.2 Procedure for equipment designed for continuous transmission. 16
5.5.3 Procedure for equipment designed for intermittent transmission . 16
5.5.4 Testing of equipment that does not have an external 50 Ω RF connector (integral antenna
equipment) . 16
6 General conditions of measurement . 17
6.1 Arrangements for test signals applied to the receiver input . 17
6.2 Test load (artificial antenna) . 17
6.3 Test signals (wanted and unwanted signals) . 17
6.3.1 General . 17
6.3.2 Test signal T1 (TETRA wanted signal, phase modulation) . 17
6.3.2.1 Test signal framing . 17
6.3.2.2 MS testing . 17
ETSI

---------------------- Page: 5 ----------------------
oSIST prEN 303 758 V1.1.0:2021

4 Draft ETSI EN 303 758 V1.1.0 (2021-04)
6.3.2.3 BS testing . 18
6.3.3 Test signal T2 (TETRA interferer) . 19
6.3.4 Test signal T3 (unmodulated interferer) . 19
6.3.5 Test signal T4 (TETRA wanted signal, QAM) . 19
6.3.5.1 Test signal structure . 19
6.3.5.2 MS testing . 19
6.3.5.2.1 Test signal usage. 19
6.3.5.2.2 Use of synchronization burst in frame 18 when testing CA MSs . 21
6.3.5.2.3 Use of frequency correction burst in frame 18 when testing DA MSs . 23
6.3.5.3 BS testing . 25
6.4 Transceiver data interface. 25
6.5 Duplex equipment . 25
6.6 Measurement filter definition . 26
6.7 TMO Repeaters . 26
7 Technical characteristics of the transmitter . 26
7.1 Transmitter output power (conducted) . 26
7.1.1 Definitions . 26
7.1.2 Method of measurement . 27
7.1.3 Limits . 27
7.2 Adjacent and alternate channel power . 28
7.2.1 Definition . 28
7.2.2 Method of measurement . 29
7.2.3 Limits . 30
7.2.3.1 Limits for TMO Repeaters . 30
7.2.3.2 Limits for BS and MS equipment . 30
7.2.3.2.1 Limit values for phase modulation . 30
7.2.3.2.2 Limit values for QAM . 31
7.3 Unwanted emissions in the spurious domain. 32
7.3.1 Definition . 32
7.3.2 Method of measuring the power level . 32
7.3.2.1 Measurement options . 32
7.3.2.2 Method of measuring conducted spurious emissions . 33
7.3.2.3 Method of measuring radiated spurious emissions . 33
7.3.2.4 Method of measuring the effective radiated power . 34
7.3.2.5 Method of measuring wideband noise. 34
7.3.3 Limits . 35
7.3.3.1 Spurious emissions power . 35
7.3.3.2 Wideband noise power . 36
7.3.3.2.1 Limit values for MS and BS for phase modulation . 36
7.3.3.2.2 Limit values for MS and BS for QAM . 37
7.3.3.2.3 Limit values for TMO repeater equipment . 38
7.4 Intermodulation attenuation. 39
7.4.1 Applicability . 39
7.4.2 Definition . 39
7.4.3 Method of measurement . 39
7.4.3.1 Measurement for TMO repeater equipment . 39
7.4.3.2 Measurement for BS . 40
7.4.4 Limits . 40
7.4.4.1 Limits for TMO repeater equipment . 40
7.4.4.2 Limits for BS equipment . 41
7.5 Adjacent channel transient power measurements . 41
7.5.1 Definition . 41
7.5.2 Method of Measurement . 41
7.5.3 Limits . 42
7.6 Frequency error . 42
7.6.1 Definition . 42
7.6.2 Method of measurement . 42
7.6.3 Limits . 43
7.7 Out of band gain for TMO repeater equipment . 43
7.7.1 Applicability . 43
7.7.2 Definition . 43
ETSI

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oSIST prEN 303 758 V1.1.0:2021

5 Draft ETSI EN 303 758 V1.1.0 (2021-04)
7.7.3 Method of measurement . 43
7.7.4 Limits . 44
7.8 Modulation accuracy . 44
7.8.1 Applicability . 44
7.8.2 Definition . 44
7.8.3 Method of measurement . 44
7.8.4 Limits . 45
8 Technical characteristics of the receiver . 45
8.1 Applicability . 45
8.2 Receiver sensitivity . 45
8.2.1 General . 45
8.2.2 Definition . 45
8.2.3 Method of measurement . 46
8.2.4 Limits . 46
8.2.4.1 Limit values for phase modulation . 46
8.2.4.2 Limit values for QAM . 47
8.3 Blocking or desensitization . 47
8.3.1 Definition . 47
8.3.2 Method of measurement . 47
8.3.3 Limits . 48
8.4 Adjacent channel selectivity . 48
8.4.1 Definition . 48
8.4.2 Method of measurement . 48
8.4.3 Limits . 49
8.5 Spurious radiations . 50
8.5.1 Definition . 50
8.5.2 Methods of measurement . 50
8.5.2.1 Method of measuring the power level in a specified load . 50
8.5.2.2 Method of measuring the effective radiated power . 50
8.5.3 Limits . 51
8.6 Co-channel rejection. 52
8.6.1 Definition . 52
8.6.2 Method of measurement . 52
8.6.3 Limits . 53
8.6.3.1 Limit values for phase modulation . 53
8.6.3.2 Limit values for QAM . 53
8.7 Intermodulation response rejection . 53
8.7.1 Definition . 53
8.7.2 Method of measurement . 54
8.7.3 Limit . 54
8.8 Spurious response rejection . 55
8.8.1 Definition . 55
8.8.2 Method of measurement . 55
8.8.3 Limits . 55
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 56
Annex B (normative): Radiated measurement . 58
B.1 Test sites and general arrangements for measurements involving the use of radiated fields . 58
B.1.1 General . 58
B.1.2 Anechoic chamber . 58
B.1.3 Anechoic chamber with a conductive ground plane . 59
B.1.4 Open Area Test Site (OATS) .
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