SIST EN 301 908-14 V17.1.1:2025

IMT cellular networks - Harmonised Standard for access to radio spectrum - Part 14: Evolved Universal Terrestrial Radio Access (E-UTRA) Base Stations (BS) Release 17

The present document specifies technical characteristics and methods of measurements for the types of equipment:
1) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA).
2) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA) with NB-IoT.
3) Base Station for NB-IoT standalone.
NOTE: UTRA TDD is not included in Release 17 of ETSI EN 301 908.
This radio equipment type is capable of operating in all or any part of the operating bands given in table 1-1. Unless
stated otherwise, requirements specified for the TDD duplex mode apply for downlink and uplink operations in Frame
Structure Type 2. NB-IoT is designed to operate in the E-UTRA operating bands 1, 3, 8, 20, 28, 31, 41, 42, 43, 65, 72,
87, 88 which are defined in table 1-1.

Celična omrežja IMT - Harmonizirani standard za dostop do radijskega spektra - 14. del: Bazne postaje (BS) za razviti prizemni radijski dostop za UMTS (E-UTRA), izdaja 17

Ta dokument določa tehnične lastnosti in merilne metode za te vrste opreme: 1) bazna postaja za razviti prizemni radijski dostop za UMTS (E-UTRA); 2) bazna postaja za razviti prizemni radijski dostop za UMTS (E-UTRA) z NB-IoT; 3) bazna postaja za samostojni NB-IoT. OPOMBA: Oprema UTRA TDD ni vključena v izdajo 17 standarda ETSI EN 301 908. Ta vrsta radijske opreme lahko deluje v vseh delih operativnih pasov iz preglednice 1-1. Če ni drugače določeno, zahteve, določene za dupleksni način TDD, veljajo za navzdolnje in navzgornje povezave v strukturi Frame Type 2. NB-IoT je zasnovan za delovanje v operativnih pasovih E-UTRA 1, 3, 8, 20, 28, 31, 41, 42, 43, 65, 72, 87, 88, ki so opredeljeni v preglednici 1-1.

General Information

• Status: Published
• Publication Date: 10-Mar-2025
• ICS: 33.060.99 - Other equipment for radiocommunications
• ICS: 33.070.99 - Other mobile services
• Technical Committee: MOC - Mobile Communications
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 26-Feb-2025
• Due Date: 03-May-2025
• Completion Date: 11-Mar-2025
• Directive: 2014/53/EU - Directive 2014/53/EU of The European Parliament and of the Council of 16 April 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment and repealing Directive 1999/5/EC
• Ref Project: ETSI EN 301 908-14 V17.1.0 (2024-11) - IMT cellular networks; Harmonised Standard for access to radio spectrum; Part 14: Evolved Universal Terrestrial Radio Access (E-UTRA) Base Stations (BS) Release 17

Overview

SIST EN 301 908-14 V17.1.1:2025 is the harmonised European standard for E-UTRA (LTE) Base Stations (BS) - Release 17, adopted by SIST from ETSI EN 301 908-14. It specifies technical characteristics and measurement methods required for radio spectrum access for three equipment types:

• E-UTRA Base Stations (BS)
• E-UTRA BS with NB‑IoT capability
• NB‑IoT standalone Base Stations

The standard defines conformance and measurement procedures required for regulatory access to spectrum across the E‑UTRA operating bands listed in the document. Note: UTRA TDD is not included in Release 17. NB‑IoT operating bands covered include 1, 3, 8, 20, 28, 31, 41, 42, 43, 65, 72, 87 and 88. Frame Structure Type 2 (TDD duplex mode) requirements apply to both downlink and uplink unless stated otherwise.

Key Topics and Technical Requirements

This harmonised standard covers the full chain of RF and system-level requirements necessary for conformity assessment and spectrum access:

• Environmental profile and conformance requirements (test conditions and operating classes)
• Operating band unwanted emissions and band-specific emission limits
• Adjacent Channel Leakage Ratio (ACLR) and cumulative ACLR for non-contiguous spectrum
• Transmitter spurious emissions, intermodulation and output power requirements
• Receiver characteristics: spurious emissions, blocking, intermodulation, adjacent channel selectivity (ACS) and narrow-band blocking
• Reference sensitivity levels and minimum performance thresholds
• Listen Before Talk (LBT) channel access procedures for downlink channel access where applicable
• Detailed measurement methods and conformance criteria for test labs and manufacturers

The standard contains band-specific annexes and tables that define limits and additional coexistence requirements (e.g., for co-existence with FSS/FS and special bands).

Applications and Practical Value

• Product design and RF engineering: Guidance for RF front‑end, filtering and transmitter/receiver design to meet regulatory spectrum masks and ACLR.
• Regulatory type-approval & certification: Basis for conformity assessment when seeking spectrum access or market entry in the EU.
• Test laboratories: Standardized measurement procedures for emissions, blocking, ACS, ACLR and sensitivity testing.
• Network operators and deployers: Ensures base stations comply with coexistence and interference mitigation requirements for safe deployment.
• Spectrum regulators: Reference for enforcement and national harmonisation of IMT/LTE deployments.

Who should use this standard

• Base station manufacturers (LTE / NB‑IoT)
• RF and systems engineers
• Conformity assessment bodies and test houses
• Mobile network operators and planners
• National spectrum regulators

Related standards

• Other parts of the EN 301 908 series (ETSI) covering IMT cellular networks
• Relevant 3GPP specifications for E‑UTRA / NB‑IoT (used alongside this harmonised standard)
• National and EU spectrum regulation documents

Keywords: E-UTRA, LTE base station, NB‑IoT, harmonised standard, ETSI EN 301 908-14, spectrum access, ACLR, spurious emissions, receiver blocking, LBT, conformity testing.

Standards Content (Sample)

Draft ETSI EN 301 908-14 V17.1.0 (2024-11)

T
HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 14: Evolved Universal Terrestrial Radio Access (E-UTRA)
Base Stations (BS)
Release 17
2 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)

Reference
REN/MSG-TFES-1503
Keywords
3G, 3GPP, 5G, cellular, digital, E-UTRA, IMT,
IMT-2020, IMT-Advanced, LTE, mobile, radio,
regulation, UMTS
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ETSI
3 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 9
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 20
3.3 Abbreviations . 21
4 Technical requirements specifications . 22
4.1 Environmental profile . 22
4.2 Conformance requirements . 23
4.2.1 Introduction. 23
4.2.2 Operating band unwanted emissions . 25
4.2.2.1 Definition and applicability . 25
4.2.2.2 Limits . 25
4.2.2.2.0 General . 25
4.2.2.2.1 Limits for Wide Area BS (bands 1, 3, 7, 8, 32, 33, 34, 38, 65, 69) . 27
4.2.2.2.2 Limits for Wide Area BS (bands 7, 22, 38, 40, 41, 42, 43, 50, 69, 75) . 29
4.2.2.2.3 Limits for Wide Area BS (bands 20, 28, 31, 67, 68, 72, 87, 88) . 32
4.2.2.2.4 Limits for Local Area BS . 33
4.2.2.2.5 Limits for Home BS . 34
4.2.2.2.6 Void . 36
4.2.2.2.7 Void . 36
4.2.2.2.8 Limits for Medium Range BS . 36
4.2.2.2.9 Additional limits for operation in bands 32, 75, 76 . 41
4.2.2.2.10 Minimum requirements for Local Area and Medium Range BS in band 46 . 41
4.2.2.2.11 Minimum requirements for stand-alone NB-IoT Wide Area BS . 42
4.2.2.2.12 Minimum requirements for stand-alone NB-IoT Local Area BS . 43
4.2.2.2.13 Minimum requirements for stand-alone NB-IoT Home BS . 44
4.2.2.2.14 Minimum requirements for stand-alone NB-IoT Medium Range BS . 45
4.2.2.2.15 Additional limits for operation in bands 50 and 75 within 1 432 - 1 452 MHz, and in bands 51
and 76 . 46
4.2.2.2.16 Additional limits for operation in band 43 for co-existence with FSS/FS . 46
4.2.2.2.17 Additional limits for operation in band 40 . 47
4.2.2.2.18 Additional limits for operation in bands 31, 72 . 48
4.2.2.2.19 Additional limits for operation in bands 32, 50, 75 . 49
4.2.2.3 Conformance . 49
4.2.3 Adjacent Channel Leakage power Ratio (ACLR) . 50
4.2.3.1 Definition and applicability . 50
4.2.3.2 Void. 50
4.2.3.3 Void. 50
4.2.3.4 Limits . 50
4.2.3.4.1 ACLR Limits . 50
4.2.3.4.2 Cumulative ACLR test requirement in non-contiguous spectrum limits . 52
4.2.3.5 Conformance . 54
4.2.4 Transmitter spurious emis sions . 54
4.2.4.1 Definition and applicability . 54
4.2.4.2 Limits . 55
4.2.4.2.1 Spurious emissions . 55
4.2.4.2.2 Co-existence with other systems . 55
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4 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
4.2.4.2.3 Protection of the BS receiver of own or different BS . 58
4.2.4.2.4 Co-existence with Home BS operating in other bands . 59
4.2.4.3 Conformance . 60
4.2.5 Base Station output power . 60
4.2.5.1 Definition and applicability . 60
4.2.5.2 Limit . 60
4.2.5.3 Conformance . 61
4.2.6 Transmitter intermodulation . 61
4.2.6.1 Definition and applicability . 61
4.2.6.2 Limit . 61
4.2.6.3 Conformance . 62
4.2.7 Receiver spurious emissions . 62
4.2.7.1 Definition and applicability . 62
4.2.7.2 Limit . 62
4.2.7.3 Conformance . 63
4.2.8 Blocking characteristics . 63
4.2.8.1 Definition and applicability . 63
4.2.8.2 Limit . 63
4.2.8.3 Conformance . 75
4.2.9 Receiver intermodulation characteristics . 75
4.2.9.1 Definition and applicability . 75
4.2.9.2 Limit . 75
4.2.9.3 Conformance . 87
4.2.10 Adjacent Channel Selectivity (ACS) and narrow-band blocking . 88
4.2.10.1 Definition and applicability . 88
4.2.10.2 Limit . 88
4.2.10.3 Conformance . 97
4.2.11 Home BS output power for adjacent UTRA channel protection. 97
4.2.11.1 Definition and applicability . 97
4.2.11.2 Limit . 97
4.2.11.3 Conformance . 98
4.2.12 Home BS output power for adjacent E-UTRA channel protection . 98
4.2.12.1 Definition and applicability . 98
4.2.12.2 Limit . 98
4.2.12.3 Conformance . 99
4.2.13 Home BS output power for co-channel E-UTRA protection . 99
4.2.13.1 Definition and applicability . 99
4.2.13.2 Limit . 99
4.2.13.3 Conformance . 100
4.2.14 Reference sensitivity level . 100
4.2.14.1 Definition and applicability . 100
4.2.14.2 Limits . 101
4.2.14.3 Conformance . 105
4.2.15 Downlink channel access procedure (Listen Before Talk (LBT)) . 106
4.2.15.1 General . 106
4.2.15.2 Limits . 106
4.2.15.3 Conformance . 106
4.2.16 Dynamic Frequency Selection (DFS) . 106
4.2.16.1 General . 106
4.2.16.2 Limits . 106
4.2.16.3 Conformance . 106
4.2.17 Base Station output power (band 46) . 106
4.2.17.1 General . 106
4.2.17.2 Limits . 107
4.2.17.3 Conformance . 107
5 Testing for compliance with technical requirements . 107
5.1 Environmental conditions for testing . 107
5.2 Void . 107
5.3 Essential radio test suites . 107
5.3.0 Introduction. 107
5.3.1 Operating band unwanted emissions . 108
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5 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
5.3.1.0 General . 108
5.3.1.1 Initial conditions . 108
5.3.1.2 Procedure . 108
5.3.1.3 Test requirement . 109
5.3.2 Adjacent Channel Leakage power Ratio (ACLR) . 109
5.3.2.1 Initial conditions . 109
5.3.2.2 Procedure . 110
5.3.2.3 Test requirement . 110
5.3.3 Transmitter spurious emis sions . 110
5.3.3.0 General . 110
5.3.3.1 Initial conditions . 110
5.3.3.2 Procedure . 111
5.3.3.3 Test requirements . 111
5.3.4 Base Station output power . 112
5.3.4.0 General . 112
5.3.4.1 Initial conditions . 112
5.3.4.2 Procedure . 112
5.3.4.3 Test requirement . 113
5.3.5 Transmitter intermodulation . 113
5.3.5.0 General . 113
5.3.5.1 Initial conditions . 113
5.3.5.2 Procedures . 113
5.3.5.3 Test requirement . 114
5.3.6 Receiver spurious emissions . 114
5.3.6.0 General . 114
5.3.6.1 Initial conditions . 115
5.3.6.2 Procedure . 115
5.3.6.3 Test requirement . 116
5.3.7 Blocking characteristics . 116
5.3.7.0 General . 116
5.3.7.1 Initial conditions . 116
5.3.7.2 Procedure . 116
5.3.7.3 Test requirement . 118
5.3.8 Receiver intermodulation characteristics . 118
5.3.8.0 General . 118
5.3.8.1 Initial conditions . 118
5.3.8.2 Procedures . 119
5.3.8.3 Test requirement . 120
5.3.9 Adjacent Channel Selectivity (ACS) and narrow-band blocking . 120
5.3.9.0 General . 120
5.3.9.1 Initial conditions . 120
5.3.9.2 Procedure for Adjacent Channel Selectivity . 120
5.3.9.3 Procedure for narrow-band blocking . 121
5.3.9.4 Test requirement . 123
5.3.10 Home BS output power for adjacent UTRA channel protection. 123
5.3.10.1 Initial conditions . 123
5.3.10.2 Procedure . 123
5.3.10.3 Test requirement . 124
5.3.11 Home BS output power for adjacent E-UTRA channel protection . 124
5.3.11.1 Initial conditions . 124
5.3.11.2 Procedure . 124
5.3.11.3 Test requirement . 125
5.3.12 Home BS output power for co-channel E-UTRA protection . 125
5.3.12.1 Initial conditions . 125
5.3.12.2 Procedure . 126
5.3.12.3 Test requirement . 126
5.3.13 Reference sensitivity level . 126
5.3.13.0 General . 126
5.3.13.1 Initial conditions . 127
5.3.13.2 Procedure . 127
5.3.13.3 Test requirement . 127
5.3.14 Downlink channel access procedure . 127
ETSI
6 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
5.3.14.1 General . 127
5.3.14.2 Initial conditions . 128
5.3.14.3 Procedure . 128
5.3.14.4 Test requirements . 128
5.3.15 Dynamic Frequency Selection (DFS) . 128
5.3.16 Base Station output power (band 46) . 129
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 130
Annex B (normative): Base Station configurations . 132
B.1 Reception with multiple receiver antenna connectors, receiver diversity . 132
B.2 Duplexers . 132
B.3 Power supply options . 132
B.4 Ancillary RF amplifiers . 132
B.5 BS using antenna arrays . 133
B.5.0 General . 133
B.5.1 Receiver tests . 133
B.5.2 Transmitter tests . 134
B.6 Transmission with multiple transmitter antenna connectors . 134
B.7 BS with integrated Iuant BS modem . 135
Annex C (informative): Maximum measurement uncertainty . 136
Annex D (informative): Checklist . 138
Annex E (informative): Bibliography . 139
Annex F (informative): Change history . 140
History . 141

ETSI
7 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI Web server (https://ipr.etsi.org/).
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
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Foreword
This draft European Standard (EN) has been produced by ETSI Technical Committee Mobile Standards Group (MSG),
and is now submitted for the combined Public Enquiry and Vote phase of the ETSI Standardisation Request deliverable
Approval Procedure.
For non-EU countries, the present document may be used for regulatory (Type Approval) purposes.
The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.1] to
provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation
of the laws of the Member States relating to the making available on the market of radio equipment and repealing
Directive 1999/5/EC [i.2].
Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with
the normative clauses of the present document given in table A-1 confers, within the limits of the scope of the present
document, a presumption of conformity with the corresponding essential requirements of that Directive and associated
EFTA regulations.
The present document is part 14 of a multi-part deliverable. Full details of the entire series can be found in part 1 [i.7].
National transposition dates
Date of latest announcement of this EN (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 18 months after doa

ETSI
8 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Introduction
The present document is part of a set of standards developed by ETSI that are designed to fit in a modular structure to
cover radio equipment within the scope of the Radio Equipment Directive [i.1]. The present document is produced
following the guidance in ETSI EG 203 336 [i.3] as applicable.

ETSI
9 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
1 Scope
The present document specifies technical characteristics and methods of measurements for the types of equipment:
1) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA).
2) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA) with NB-IoT.
3) Base Station for NB-IoT standalone.
NOTE: UTRA TDD is not included in Release 17 of ETSI EN 301 908.
This radio equipment type is capable of operating in all or any part of the operating bands given in table 1-1. Unless
stated otherwise, requirements specified for the TDD duplex mode apply for downlink and uplink operations in Frame
Structure Type 2. NB-IoT is designed to operate in the E-UTRA operating bands 1, 3, 8, 20, 28, 31, 41, 42, 43, 65, 72,
87, 88 which are defined in table 1-1.
Table 1-1: E-UTRA Base Station operating bands
E-UTRA band Direction of E-UTRA Base Station Relevant EC/ECC decision
transmission operating bands
1 Transmit 2 110 MHz to 2 170 MHz [i.24] and [i.28]
Receive 1 920 MHz to 1 980 MHz
3 Transmit 1 805 MHz to 1 880 MHz [i.22] and [i.23]
Receive 1 710 MHz to 1 785 MHz
7 Transmit 2 620 MHz to 2 690 MHz [i.26] and [i.27]
Receive 2 500 MHz to 2 570 MHz
8 Transmit 925 MHz to 960 MHz [i.22] and [i.23]
Receive 880 MHz to 915 MHz
20 Transmit 791 MHz to 821 MHz [i.17] and [i.18]
Receive 832 MHz to 862 MHz
22 Transmit 3 510 MHz to 3 590 MHz [i.12] and [i.29]
Receive 3 410 MHz to 3 490 MHz
28 Transmit 758 MHz to 803 MHz [i.14] and [i.15]
(note 5)
Receive 703 MHz to 748 MHz
Transmit 462,5 MHz to 467,5 MHz [i.31]
Receive 452,5 MHz to 457,5 MHz
32 Transmit 1 452 MHz to 1 496 MHz [i.19], [i.20] and [i.21]
(note 1) Receive N/A
34 Transmit and Receive 2 010 MHz to 2 025 MHz [i.24]
38 Transmit and Receive 2 570 MHz to 2 620 MHz [i.27] and [i.28]
40 Transmit and Receive 2 300 MHz to 2 400 MHz [i.26]
41 (note 6) Transmit and Receive 2 496 MHz to 2 690 MHz [i.27] and [i.28]
42 Transmit and Receive 3 400 MHz to 3 600 MHz [i.12] and [i.29]
43 Transmit and Receive 3 600 MHz to 3 800 MHz [i.12] and [i.29]
46 Transmit and Receive 5 150 MHz to 5 925 MHz [i.10] and [i.11]
(notes 3 and
4)
50 (note 1) Transmit 1 432 MHz to 1 517 MHz [i.20]
Receive 1 432 MHz to 1 517 MHz
51 (note 1) Transmit 1 427 MHz to 1 432 MHz [i.20]
Receive 1 427 MHz to 1 432 MHz
65 (note 7) Transmit 2 110 MHz to 2 200 MHz [i.24], [i.28] and [i.30]
Receive 1 920 MHz to 2 010 MHz
67 Transmit 738 MHz to 758 MHz [i.14] and [i.15]
Receive N/A
68 Transmit 753 MHz to 783 MHz [i.14] and [i.15]
Receive 698 MHz to 728 MHz
69 Transmit 2 570 MHz to 2 620 MHz [i.27] and [i.28]
(note 1)
Receive N/A
72 Transmit 461 MHz to 466 MHz [i.31]
Receive 451 MHz to 456 MHz
75 (note 1) Transmit 1 432 MHz to 1 517 MHz [i.19], [i.20] and [i.21]
76 (note 1) Transmit 1 427 MHz to 1 432 MHz [i.20] and [i.21]
87 Transmit 420 MHz to 425 MHz [i.31]
ETSI
10 Draft ETSI EN 301 908-14 V17.1.0 (2024-11)
E-UTRA band Direction of E-UTRA Base Station Relevant EC/ECC decision
transmission operating bands
Receive 410 MHz to 415 MHz
88 Transmit 422 MHz to 427 MHz [i.31]
Receive 412 MHz to 417 MHz
NOTE 1: Restricted to E-UTRA DL operation when carrier aggregation is configured. The downlink operating
band is paired with the uplink operating band (external) of the carrier aggregation configuration that is
supporting the configured Pcell.
NOTE 2: Void.
NOTE 3: This band is an unlicensed band restricted to licensed-assisted operation using Frame Structure
Type 3. In Europe according to [i.10] and [i.11], radio equipment in band 46 operates between
5 150 MHz and 5 725 MHz as in table 1-2.
NOTE 4: In this version of the present document, restricted to E-UTRA DL operation when carrier aggregation is
configured. Band 46 is divided into three sub-bands as in table 1-2.
NOTE 5: In Europe according to [i.14] and [i.15], radio equipment in band 28 operates between 758 MHz to
791 MHz for the transmitter (FDL_low = 758 MHz and FDL_high = 791 MHz) and between 703 MHz to
736 MHz for the receiver (FUL_low = 703 MHz and FUL_high = 736 MHz).
NOTE 6: In Europe according to [i.27] and [i.28], radio equipment in band 41 operates between 2 570 MHz and
2 620 MHz (FDL_low = 2 570 MHz and FDL_high = 2 620 MHz).
NOTE 7: This band includes two frequency ranges that are harmonised in Europe:
(a) Based on [i.30], radio equipment in band 65 operates between 2 170 MHz to 2 200 MHz for the
transmitter (FDL_low = 2 170 MHz and FDL_high = 2 200 MHz) and between 1 980 MHz to 2 010 MHz
for the receiver (FUL_low = 1 980 MHz and FUL_high = 2 010 MHz) as the Complementary Ground
Component (CGC) of a Mobile-satellite service by reference to the present Harmonised
Standard.
(b) According to [i.24] and [i.28], radio equipment in band 65 operates between 2 110 MHz to
2 170 MHz for the transmitter (F = 2 110 MHz and F = 2 170 MHz), and between
DL_low DL_high
1 920 MHz to 1 980 MHz for the receiver (FUL_low = 1 920 MHz and FUL_high = 1 980 MHz).

Table 1-2: Sub-bands for band 46
E-UTRA Uplink (UL) operating band Downlink (DL) operating band Relevant EC/ECC decision
Operating BS receive BS transmit
band UE transmit UE receive
F - F F - F
UL_low UL_high DL_low DL_high
46a 5 150 MHz to 5 250 MHz 5 150 MHz to 5 250 MHz [i.10] and [i.11]
46b 5 250 MHz to 5 350 MHz 5 250 MHz to 5 350 MHz [i.10] and [i.11]
46c 5 470 MHz to 5 725 MHz 5 470 MHz to 5 725 MHz [i.10] and [i.11]

The present document covers the requirements for E-UTRA Base Stations for 3GPP Release 8, 9, 10, 11, 12,
...

ETSI EN 301 908-14 V17.1.1 (2025-02)

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 14: Evolved Universal Terrestrial Radio Access (E-UTRA)
Base Stations (BS)
Release 17
2 ETSI EN 301 908-14 V17.1.1 (2025-02)

Reference
REN/MSG-TFES-1503
Keywords
3G, 3GPP, 5G, cellular, digital, E-UTRA, IMT, IMT-
2020, IMT-Advanced, LTE, mobile, radio,
regulation, UMTS
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 the
ETSI Search & Browse Standards application.
The present document may be made available in electronic versions and/or in print. The content of any electronic and/or
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Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
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 2025.
All rights reserved.
ETSI
3 ETSI EN 301 908-14 V17.1.1 (2025-02)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 9
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 20
3.3 Abbreviations . 21
4 Technical requirements specifications . 22
4.1 Environmental profile . 22
4.2 Conformance requirements . 23
4.2.1 Introduction. 23
4.2.2 Operating band unwanted emissions . 25
4.2.2.1 Definition and applicability . 25
4.2.2.2 Limits . 25
4.2.2.2.0 General . 25
4.2.2.2.1 Limits for Wide Area BS (bands 1, 3, 7, 8, 32, 33, 34, 38, 65, 69) . 27
4.2.2.2.2 Limits for Wide Area BS (bands 7, 22, 38, 40, 41, 42, 43, 50, 69, 75) . 29
4.2.2.2.3 Limits for Wide Area BS (bands 20, 28, 31, 67, 68, 72, 87, 88) . 32
4.2.2.2.4 Limits for Local Area BS . 33
4.2.2.2.5 Limits for Home BS . 34
4.2.2.2.6 Void . 36
4.2.2.2.7 Void . 36
4.2.2.2.8 Limits for Medium Range BS . 36
4.2.2.2.9 Additional limits for operation in bands 32, 75, 76 . 41
4.2.2.2.10 Minimum requirements for Local Area and Medium Range BS in band 46 . 41
4.2.2.2.11 Minimum requirements for stand-alone NB-IoT Wide Area BS . 42
4.2.2.2.12 Minimum requirements for stand-alone NB-IoT Local Area BS . 43
4.2.2.2.13 Minimum requirements for stand-alone NB-IoT Home BS . 44
4.2.2.2.14 Minimum requirements for stand-alone NB-IoT Medium Range BS . 45
4.2.2.2.15 Additional limits for operation in bands 50 and 75 within 1 432 - 1 452 MHz, and in bands 51
and 76 . 46
4.2.2.2.16 Additional limits for operation in band 43 for co-existence with FSS/FS . 46
4.2.2.2.17 Additional limits for operation in band 40 . 47
4.2.2.2.18 Additional limits for operation in bands 31, 72 . 48
4.2.2.2.19 Additional limits for operation in bands 32, 50, 75 . 49
4.2.2.3 Conformance . 49
4.2.3 Adjacent Channel Leakage power Ratio (ACLR) . 50
4.2.3.1 Definition and applicability . 50
4.2.3.2 Void. 50
4.2.3.3 Void. 50
4.2.3.4 Limits . 50
4.2.3.4.1 ACLR Limits . 50
4.2.3.4.2 Cumulative ACLR test requirement in non-contiguous spectrum limits . 52
4.2.3.5 Conformance . 54
4.2.4 Transmitter spurious emis sions . 54
4.2.4.1 Definition and applicability . 54
4.2.4.2 Limits . 55
4.2.4.2.1 Spurious emissions . 55
4.2.4.2.2 Co-existence with other systems . 55
ETSI
4 ETSI EN 301 908-14 V17.1.1 (2025-02)
4.2.4.2.3 Protection of the BS receiver of own or different BS . 58
4.2.4.2.4 Co-existence with Home BS operating in other bands . 59
4.2.4.3 Conformance . 60
4.2.5 Base Station output power . 60
4.2.5.1 Definition and applicability . 60
4.2.5.2 Limit . 60
4.2.5.3 Conformance . 61
4.2.6 Transmitter intermodulation . 61
4.2.6.1 Definition and applicability . 61
4.2.6.2 Limit . 61
4.2.6.3 Conformance . 62
4.2.7 Receiver spurious emissions . 62
4.2.7.1 Definition and applicability . 62
4.2.7.2 Limit . 62
4.2.7.3 Conformance . 63
4.2.8 Blocking characteristics . 63
4.2.8.1 Definition and applicability . 63
4.2.8.2 Limit . 63
4.2.8.3 Conformance . 75
4.2.9 Receiver intermodulation characteristics . 75
4.2.9.1 Definition and applicability . 75
4.2.9.2 Limit . 75
4.2.9.3 Conformance . 87
4.2.10 Adjacent Channel Selectivity (ACS) and narrow-band blocking . 88
4.2.10.1 Definition and applicability . 88
4.2.10.2 Limit . 88
4.2.10.3 Conformance . 97
4.2.11 Home BS output power for adjacent UTRA channel protection. 97
4.2.11.1 Definition and applicability . 97
4.2.11.2 Limit . 97
4.2.11.3 Conformance . 98
4.2.12 Home BS output power for adjacent E-UTRA channel protection . 98
4.2.12.1 Definition and applicability . 98
4.2.12.2 Limit . 98
4.2.12.3 Conformance . 99
4.2.13 Home BS output power for co-channel E-UTRA protection . 99
4.2.13.1 Definition and applicability . 99
4.2.13.2 Limit . 99
4.2.13.3 Conformance . 100
4.2.14 Reference sensitivity level . 100
4.2.14.1 Definition and applicability . 100
4.2.14.2 Limits . 101
4.2.14.3 Conformance . 105
4.2.15 Downlink channel access procedure (Listen Before Talk (LBT)) . 106
4.2.15.1 General . 106
4.2.15.2 Limits . 106
4.2.15.3 Conformance . 106
4.2.16 Dynamic Frequency Selection (DFS) . 106
4.2.16.1 General . 106
4.2.16.2 Limits . 106
4.2.16.3 Conformance . 106
4.2.17 Base Station output power (band 46) . 106
4.2.17.1 General . 106
4.2.17.2 Limits . 107
4.2.17.3 Conformance . 107
5 Testing for compliance with technical requirements . 107
5.1 Environmental conditions for testing . 107
5.2 Void . 107
5.3 Essential radio test suites . 107
5.3.0 Introduction. 107
5.3.1 Operating band unwanted emissions . 108
ETSI
5 ETSI EN 301 908-14 V17.1.1 (2025-02)
5.3.1.0 General . 108
5.3.1.1 Initial conditions . 108
5.3.1.2 Procedure . 108
5.3.1.3 Test requirement . 109
5.3.2 Adjacent Channel Leakage power Ratio (ACLR) . 109
5.3.2.1 Initial conditions . 109
5.3.2.2 Procedure . 110
5.3.2.3 Test requirement . 110
5.3.3 Transmitter spurious emis sions . 110
5.3.3.0 General . 110
5.3.3.1 Initial conditions . 110
5.3.3.2 Procedure . 111
5.3.3.3 Test requirements . 111
5.3.4 Base Station output power . 112
5.3.4.0 General . 112
5.3.4.1 Initial conditions . 112
5.3.4.2 Procedure . 112
5.3.4.3 Test requirement . 113
5.3.5 Transmitter intermodulation . 113
5.3.5.0 General . 113
5.3.5.1 Initial conditions . 113
5.3.5.2 Procedures . 113
5.3.5.3 Test requirement . 114
5.3.6 Receiver spurious emissions . 114
5.3.6.0 General . 114
5.3.6.1 Initial conditions . 115
5.3.6.2 Procedure . 115
5.3.6.3 Test requirement . 116
5.3.7 Blocking characteristics . 116
5.3.7.0 General . 116
5.3.7.1 Initial conditions . 116
5.3.7.2 Procedure . 116
5.3.7.3 Test requirement . 118
5.3.8 Receiver intermodulation characteristics . 118
5.3.8.0 General . 118
5.3.8.1 Initial conditions . 118
5.3.8.2 Procedures . 119
5.3.8.3 Test requirement . 120
5.3.9 Adjacent Channel Selectivity (ACS) and narrow-band blocking . 120
5.3.9.0 General . 120
5.3.9.1 Initial conditions . 120
5.3.9.2 Procedure for Adjacent Channel Selectivity . 120
5.3.9.3 Procedure for narrow-band blocking . 121
5.3.9.4 Test requirement . 123
5.3.10 Home BS output power for adjacent UTRA channel protection. 123
5.3.10.1 Initial conditions . 123
5.3.10.2 Procedure . 123
5.3.10.3 Test requirement . 124
5.3.11 Home BS output power for adjacent E-UTRA channel protection . 124
5.3.11.1 Initial conditions . 124
5.3.11.2 Procedure . 125
5.3.11.3 Test requirement . 125
5.3.12 Home BS output power for co-channel E-UTRA protection . 125
5.3.12.1 Initial conditions . 125
5.3.12.2 Procedure . 126
5.3.12.3 Test requirement . 126
5.3.13 Reference sensitivity level . 127
5.3.13.0 General . 127
5.3.13.1 Initial conditions . 127
5.3.13.2 Procedure . 127
5.3.13.3 Test requirement . 127
5.3.14 Downlink channel access procedure . 127
ETSI
6 ETSI EN 301 908-14 V17.1.1 (2025-02)
5.3.14.1 General . 127
5.3.14.2 Initial conditions . 128
5.3.14.3 Procedure . 128
5.3.14.4 Test requirements . 128
5.3.15 Dynamic Frequency Selection (DFS) . 128
5.3.16 Base Station output power (band 46) . 129
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 130
Annex B (normative): Base Station configurations . 132
B.1 Reception with multiple receiver antenna connectors, receiver diversity . 132
B.2 Duplexers . 132
B.3 Power supply options . 132
B.4 Ancillary RF amplifiers . 132
B.5 BS using antenna arrays . 133
B.5.0 General . 133
B.5.1 Receiver tests . 133
B.5.2 Transmitter tests . 134
B.6 Transmission with multiple transmitter antenna connectors . 134
B.7 BS with integrated Iuant BS modem . 135
Annex C (informative): Maximum measurement uncertainty . 136
Annex D (informative): Checklist . 138
Annex E (informative): Bibliography . 139
Annex F (informative): Change history . 140
History . 141

ETSI
7 ETSI EN 301 908-14 V17.1.1 (2025-02)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI IPR online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo 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.
Foreword
This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Mobile Standards Group
(MSG).
For non-EU countries, the present document may be used for regulatory (Type Approval) purposes.
The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.1] to
provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation
of the laws of the Member States relating to the making available on the market of radio equipment and repealing
Directive 1999/5/EC [i.2].
Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with
the normative clauses of the present document given in table A-1 confers, within the limits of the scope of the present
document, a presumption of conformity with the corresponding essential requirements of that Directive and associated
EFTA regulations.
The present document is part 14 of a multi-part deliverable. Full details of the entire series can be found in part 1 [i.7].

National transposition dates
Date of adoption of this EN: 6 February 2025
Date of latest announcement of this EN (doa): 31 May 2025
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 November 2025
Date of withdrawal of any conflicting National Standard (dow): 30 November 2026

ETSI
8 ETSI EN 301 908-14 V17.1.1 (2025-02)
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Introduction
The present document is part of a set of standards developed by ETSI that are designed to fit in a modular structure to
cover radio equipment within the scope of the Radio Equipment Directive [i.1]. The present document is produced
following the guidance in ETSI EG 203 336 [i.3] as applicable.

ETSI
9 ETSI EN 301 908-14 V17.1.1 (2025-02)
1 Scope
The present document specifies technical characteristics and methods of measurements for the types of equipment:
1) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA).
2) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA) with NB-IoT.
3) Base Station for NB-IoT standalone.
NOTE: UTRA TDD is not included in Release 17 of ETSI EN 301 908.
This radio equipment type is capable of operating in all or any part of the operating bands given in table 1-1. Unless
stated otherwise, requirements specified for the TDD duplex mode apply for downlink and uplink operations in Frame
Structure Type 2. NB-IoT is designed to operate in the E-UTRA operating bands 1, 3, 8, 20, 28, 31, 41, 42, 43, 65, 72,
87, 88 which are defined in table 1-1.
Table 1-1: E-UTRA Base Station operating bands
E-UTRA band Direction of E-UTRA Base Station Relevant EC/ECC decision
transmission operating bands
1 Transmit 2 110 MHz to 2 170 MHz [i.24] and [i.28]
Receive 1 920 MHz to 1 980 MHz
3 Transmit 1 805 MHz to 1 880 MHz [i.22] and [i.23]
Receive 1 710 MHz to 1 785 MHz
7 Transmit 2 620 MHz to 2 690 MHz [i.26] and [i.27]
Receive 2 500 MHz to 2 570 MHz
8 Transmit 925 MHz to 960 MHz [i.22] and [i.23]
Receive 880 MHz to 915 MHz
20 Transmit 791 MHz to 821 MHz [i.17] and [i.18]
Receive 832 MHz to 862 MHz
22 Transmit 3 510 MHz to 3 590 MHz [i.12] and [i.29]
Receive 3 410 MHz to 3 490 MHz
28 Transmit 758 MHz to 803 MHz [i.14] and [i.15]
(note 5)
Receive 703 MHz to 748 MHz
Transmit 462,5 MHz to 467,5 MHz [i.31]
Receive 452,5 MHz to 457,5 MHz
32 Transmit 1 452 MHz to 1 496 MHz [i.19], [i.20] and [i.21]
(note 1) Receive N/A
34 Transmit and Receive 2 010 MHz to 2 025 MHz [i.24]
38 Transmit and Receive 2 570 MHz to 2 620 MHz [i.27] and [i.28]
40 Transmit and Receive 2 300 MHz to 2 400 MHz [i.26]
41 (note 6) Transmit and Receive 2 496 MHz to 2 690 MHz [i.27] and [i.28]
42 Transmit and Receive 3 400 MHz to 3 600 MHz [i.12] and [i.29]
43 Transmit and Receive 3 600 MHz to 3 800 MHz [i.12] and [i.29]
46 Transmit and Receive 5 150 MHz to 5 925 MHz [i.10] and [i.11]
(notes 3 and
4)
50 (note 1) Transmit 1 432 MHz to 1 517 MHz [i.20]
Receive 1 432 MHz to 1 517 MHz
51 (note 1) Transmit 1 427 MHz to 1 432 MHz [i.20]
Receive 1 427 MHz to 1 432 MHz
65 (note 7) Transmit 2 110 MHz to 2 200 MHz [i.24], [i.28] and [i.30]
Receive 1 920 MHz to 2 010 MHz
67 Transmit 738 MHz to 758 MHz [i.14] and [i.15]
Receive N/A
68 Transmit 753 MHz to 783 MHz [i.14] and [i.15]
Receive 698 MHz to 728 MHz
69 Transmit 2 570 MHz to 2 620 MHz [i.27] and [i.28]
(note 1)
Receive N/A
72 Transmit 461 MHz to 466 MHz [i.31]
Receive 451 MHz to 456 MHz
75 (note 1) Transmit 1 432 MHz to 1 517 MHz [i.19], [i.20] and [i.21]
76 (note 1) Transmit 1 427 MHz to 1 432 MHz [i.20] and [i.21]
87 Transmit 420 MHz to 425 MHz [i.31]
ETSI
10 ETSI EN 301 908-14 V17.1.1 (2025-02)
E-UTRA band Direction of E-UTRA Base Station Relevant EC/ECC decision
transmission operating bands
Receive 410 MHz to 415 MHz
88 Transmit 422 MHz to 427 MHz [i.31]
Receive 412 MHz to 417 MHz
NOTE 1: Restricted to E-UTRA DL operation when carrier aggregation is configured. The downlink operating
band is paired with the uplink operating band (external) of the carrier aggregation configuration that is
supporting the configured Pcell.
NOTE 2: Void.
NOTE 3: This band is an unlicensed band restricted to licensed-assisted operation using Frame Structure
Type 3. In Europe according to [i.10] and [i.11], radio equipment in band 46 operates between
5 150 MHz and 5 725 MHz as in table 1-2.
NOTE 4: In this version of the present document, restricted to E-UTRA DL operation when carrier aggregation is
configured. Band 46 is divided into three sub-bands as in table 1-2.
NOTE 5: In Europe according to [i.14] and [i.15], radio equipment in band 28 operates between 758 MHz to
791 MHz for the transmitter (FDL_low = 758 MHz and FDL_high = 791 MHz) and between 703 MHz to
736 MHz for the receiver (FUL_low = 703 MHz and FUL_high = 736 MHz).
NOTE 6: In Europe according to [i.27] and [i.28], radio equipment in band 41 operates between 2 570 MHz and
2 620 MHz (FDL_low = 2 570 MHz and FDL_high = 2 620 MHz).
NOTE 7: This band includes two frequency ranges that are harmonised in Europe:
(a) Based on [i.30], radio equipment in band 65 operates between 2 170 MHz to 2 200 MHz for the
transmitter (FDL_low = 2 170 MHz and FDL_high = 2 200 MHz) and between 1 980 MHz to 2 010 MHz
for the receiver (FUL_low = 1 980 MHz and FUL_high = 2 010 MHz) as the Complementary Ground
Component (CGC) of a Mobile-satellite service by reference to the present Harmonised
Standard.
(b) According to [i.24] and [i.28], radio equipment in band 65 operates between 2 110 MHz to
2 170 MHz for the transmitter (F = 2 110 MHz and F = 2 170 MHz), and between
DL_low DL_high
1 920 MHz to 1 980 MHz for the receiver (FUL_low = 1 920 MHz and FUL_high = 1 980 MHz).

Table 1-2: Sub-bands for band 46
E-UTRA Uplink (UL) operating band Downlink (DL) operating band Relevant EC/ECC decision
Operating BS receive BS transmit
band UE transmit UE receive
F - F F - F
UL_low UL_high DL_low DL_high
46a 5 150 MHz to 5 250 MHz 5 150 MHz to 5 250 MHz [i.10] and [i.11]
46b 5 250 MHz to 5 350 MHz 5 250 MHz to 5 350 MHz [i.10] and [i.11]
46c 5 470 MHz to 5 725 MHz 5 470 MHz to 5 725 MHz [i.10] and [i.11]

The present document covers the requirements for E-UTRA Base Stations for 3GPP Release 8, 9, 10, 11, 12, 13, 14, 15,
16 and 17. Additionally, it includes the requirements for E-UTRA Base Station operating bands from 3GPP Release 18.
The RF requirements in
...

SLOVENSKI STANDARD
01-maj-2025
Celična omrežja IMT - Harmonizirani standard za dostop do radijskega spektra -
14. del: Bazne postaje (BS) za razviti prizemni radijski dostop za UMTS (E-UTRA),
izdaja 17
IMT cellular networks - Harmonised Standard for access to radio spectrum - Part 14:
Evolved Universal Terrestrial Radio Access (E-UTRA) Base Stations (BS) Release 17
Ta slovenski standard je istoveten z: ETSI EN 301 908-14 V17.1.1 (2025-02)
ICS:
33.060.99 Druga oprema za radijske Other equipment for
komunikacije radiocommunications
33.070.99 Druge mobilne storitve Other mobile services
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

ETSI EN 301 908-14 V17.1.1 (2025-02)

HARMONISED EUROPEAN STANDARD
IMT cellular networks;
Harmonised Standard for access to radio spectrum;
Part 14: Evolved Universal Terrestrial Radio Access (E-UTRA)
Base Stations (BS)
Release 17
2 ETSI EN 301 908-14 V17.1.1 (2025-02)

Reference
REN/MSG-TFES-1503
Keywords
3G, 3GPP, 5G, cellular, digital, E-UTRA, IMT, IMT-
2020, IMT-Advanced, LTE, mobile, radio,
regulation, UMTS
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 the
ETSI Search & Browse Standards application.
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 on ETSI deliver repository.
Users should be aware that the present document may be revised or have its status changed,
this information is available in the Milestones listing.
If you find errors in the present document, please send your comments to
the relevant service listed under Committee Support Staff.
If you find a security vulnerability in the present document, please report it through our
Coordinated Vulnerability Disclosure (CVD) program.
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 2025.
All rights reserved.
ETSI
3 ETSI EN 301 908-14 V17.1.1 (2025-02)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 8
Introduction . 8
1 Scope . 9
2 References . 10
2.1 Normative references . 10
2.2 Informative references . 11
3 Definition of terms, symbols and abbreviations . 13
3.1 Terms . 13
3.2 Symbols . 20
3.3 Abbreviations . 21
4 Technical requirements specifications . 22
4.1 Environmental profile . 22
4.2 Conformance requirements . 23
4.2.1 Introduction. 23
4.2.2 Operating band unwanted emissions . 25
4.2.2.1 Definition and applicability . 25
4.2.2.2 Limits . 25
4.2.2.2.0 General . 25
4.2.2.2.1 Limits for Wide Area BS (bands 1, 3, 7, 8, 32, 33, 34, 38, 65, 69) . 27
4.2.2.2.2 Limits for Wide Area BS (bands 7, 22, 38, 40, 41, 42, 43, 50, 69, 75) . 29
4.2.2.2.3 Limits for Wide Area BS (bands 20, 28, 31, 67, 68, 72, 87, 88) . 32
4.2.2.2.4 Limits for Local Area BS . 33
4.2.2.2.5 Limits for Home BS . 34
4.2.2.2.6 Void . 36
4.2.2.2.7 Void . 36
4.2.2.2.8 Limits for Medium Range BS . 36
4.2.2.2.9 Additional limits for operation in bands 32, 75, 76 . 41
4.2.2.2.10 Minimum requirements for Local Area and Medium Range BS in band 46 . 41
4.2.2.2.11 Minimum requirements for stand-alone NB-IoT Wide Area BS . 42
4.2.2.2.12 Minimum requirements for stand-alone NB-IoT Local Area BS . 43
4.2.2.2.13 Minimum requirements for stand-alone NB-IoT Home BS . 44
4.2.2.2.14 Minimum requirements for stand-alone NB-IoT Medium Range BS . 45
4.2.2.2.15 Additional limits for operation in bands 50 and 75 within 1 432 - 1 452 MHz, and in bands 51
and 76 . 46
4.2.2.2.16 Additional limits for operation in band 43 for co-existence with FSS/FS . 46
4.2.2.2.17 Additional limits for operation in band 40 . 47
4.2.2.2.18 Additional limits for operation in bands 31, 72 . 48
4.2.2.2.19 Additional limits for operation in bands 32, 50, 75 . 49
4.2.2.3 Conformance . 49
4.2.3 Adjacent Channel Leakage power Ratio (ACLR) . 50
4.2.3.1 Definition and applicability . 50
4.2.3.2 Void. 50
4.2.3.3 Void. 50
4.2.3.4 Limits . 50
4.2.3.4.1 ACLR Limits . 50
4.2.3.4.2 Cumulative ACLR test requirement in non-contiguous spectrum limits . 52
4.2.3.5 Conformance . 54
4.2.4 Transmitter spurious emis sions . 54
4.2.4.1 Definition and applicability . 54
4.2.4.2 Limits . 55
4.2.4.2.1 Spurious emissions . 55
4.2.4.2.2 Co-existence with other systems . 55
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4 ETSI EN 301 908-14 V17.1.1 (2025-02)
4.2.4.2.3 Protection of the BS receiver of own or different BS . 58
4.2.4.2.4 Co-existence with Home BS operating in other bands . 59
4.2.4.3 Conformance . 60
4.2.5 Base Station output power . 60
4.2.5.1 Definition and applicability . 60
4.2.5.2 Limit . 60
4.2.5.3 Conformance . 61
4.2.6 Transmitter intermodulation . 61
4.2.6.1 Definition and applicability . 61
4.2.6.2 Limit . 61
4.2.6.3 Conformance . 62
4.2.7 Receiver spurious emissions . 62
4.2.7.1 Definition and applicability . 62
4.2.7.2 Limit . 62
4.2.7.3 Conformance . 63
4.2.8 Blocking characteristics . 63
4.2.8.1 Definition and applicability . 63
4.2.8.2 Limit . 63
4.2.8.3 Conformance . 75
4.2.9 Receiver intermodulation characteristics . 75
4.2.9.1 Definition and applicability . 75
4.2.9.2 Limit . 75
4.2.9.3 Conformance . 87
4.2.10 Adjacent Channel Selectivity (ACS) and narrow-band blocking . 88
4.2.10.1 Definition and applicability . 88
4.2.10.2 Limit . 88
4.2.10.3 Conformance . 97
4.2.11 Home BS output power for adjacent UTRA channel protection. 97
4.2.11.1 Definition and applicability . 97
4.2.11.2 Limit . 97
4.2.11.3 Conformance . 98
4.2.12 Home BS output power for adjacent E-UTRA channel protection . 98
4.2.12.1 Definition and applicability . 98
4.2.12.2 Limit . 98
4.2.12.3 Conformance . 99
4.2.13 Home BS output power for co-channel E-UTRA protection . 99
4.2.13.1 Definition and applicability . 99
4.2.13.2 Limit . 99
4.2.13.3 Conformance . 100
4.2.14 Reference sensitivity level . 100
4.2.14.1 Definition and applicability . 100
4.2.14.2 Limits . 101
4.2.14.3 Conformance . 105
4.2.15 Downlink channel access procedure (Listen Before Talk (LBT)) . 106
4.2.15.1 General . 106
4.2.15.2 Limits . 106
4.2.15.3 Conformance . 106
4.2.16 Dynamic Frequency Selection (DFS) . 106
4.2.16.1 General . 106
4.2.16.2 Limits . 106
4.2.16.3 Conformance . 106
4.2.17 Base Station output power (band 46) . 106
4.2.17.1 General . 106
4.2.17.2 Limits . 107
4.2.17.3 Conformance . 107
5 Testing for compliance with technical requirements . 107
5.1 Environmental conditions for testing . 107
5.2 Void . 107
5.3 Essential radio test suites . 107
5.3.0 Introduction. 107
5.3.1 Operating band unwanted emissions . 108
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5 ETSI EN 301 908-14 V17.1.1 (2025-02)
5.3.1.0 General . 108
5.3.1.1 Initial conditions . 108
5.3.1.2 Procedure . 108
5.3.1.3 Test requirement . 109
5.3.2 Adjacent Channel Leakage power Ratio (ACLR) . 109
5.3.2.1 Initial conditions . 109
5.3.2.2 Procedure . 110
5.3.2.3 Test requirement . 110
5.3.3 Transmitter spurious emis sions . 110
5.3.3.0 General . 110
5.3.3.1 Initial conditions . 110
5.3.3.2 Procedure . 111
5.3.3.3 Test requirements . 111
5.3.4 Base Station output power . 112
5.3.4.0 General . 112
5.3.4.1 Initial conditions . 112
5.3.4.2 Procedure . 112
5.3.4.3 Test requirement . 113
5.3.5 Transmitter intermodulation . 113
5.3.5.0 General . 113
5.3.5.1 Initial conditions . 113
5.3.5.2 Procedures . 113
5.3.5.3 Test requirement . 114
5.3.6 Receiver spurious emissions . 114
5.3.6.0 General . 114
5.3.6.1 Initial conditions . 115
5.3.6.2 Procedure . 115
5.3.6.3 Test requirement . 116
5.3.7 Blocking characteristics . 116
5.3.7.0 General . 116
5.3.7.1 Initial conditions . 116
5.3.7.2 Procedure . 116
5.3.7.3 Test requirement . 118
5.3.8 Receiver intermodulation characteristics . 118
5.3.8.0 General . 118
5.3.8.1 Initial conditions . 118
5.3.8.2 Procedures . 119
5.3.8.3 Test requirement . 120
5.3.9 Adjacent Channel Selectivity (ACS) and narrow-band blocking . 120
5.3.9.0 General . 120
5.3.9.1 Initial conditions . 120
5.3.9.2 Procedure for Adjacent Channel Selectivity . 120
5.3.9.3 Procedure for narrow-band blocking . 121
5.3.9.4 Test requirement . 123
5.3.10 Home BS output power for adjacent UTRA channel protection. 123
5.3.10.1 Initial conditions . 123
5.3.10.2 Procedure . 123
5.3.10.3 Test requirement . 124
5.3.11 Home BS output power for adjacent E-UTRA channel protection . 124
5.3.11.1 Initial conditions . 124
5.3.11.2 Procedure . 125
5.3.11.3 Test requirement . 125
5.3.12 Home BS output power for co-channel E-UTRA protection . 125
5.3.12.1 Initial conditions . 125
5.3.12.2 Procedure . 126
5.3.12.3 Test requirement . 126
5.3.13 Reference sensitivity level . 127
5.3.13.0 General . 127
5.3.13.1 Initial conditions . 127
5.3.13.2 Procedure . 127
5.3.13.3 Test requirement . 127
5.3.14 Downlink channel access procedure . 127
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6 ETSI EN 301 908-14 V17.1.1 (2025-02)
5.3.14.1 General . 127
5.3.14.2 Initial conditions . 128
5.3.14.3 Procedure . 128
5.3.14.4 Test requirements . 128
5.3.15 Dynamic Frequency Selection (DFS) . 128
5.3.16 Base Station output power (band 46) . 129
Annex A (informative): Relationship between the present document and the essential
requirements of Directive 2014/53/EU . 130
Annex B (normative): Base Station configurations . 132
B.1 Reception with multiple receiver antenna connectors, receiver diversity . 132
B.2 Duplexers . 132
B.3 Power supply options . 132
B.4 Ancillary RF amplifiers . 132
B.5 BS using antenna arrays . 133
B.5.0 General . 133
B.5.1 Receiver tests . 133
B.5.2 Transmitter tests . 134
B.6 Transmission with multiple transmitter antenna connectors . 134
B.7 BS with integrated Iuant BS modem . 135
Annex C (informative): Maximum measurement uncertainty . 136
Annex D (informative): Checklist . 138
Annex E (informative): Bibliography . 139
Annex F (informative): Change history . 140
History . 141

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7 ETSI EN 301 908-14 V17.1.1 (2025-02)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The declarations
pertaining to these essential IPRs, if any, are publicly available for ETSI members and non-members, and can be
found in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to
ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
ETSI IPR online database.
Pursuant to the ETSI Directives including the ETSI IPR Policy, no investigation regarding the essentiality of IPRs,
including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not
referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its
Members. 3GPP™, LTE™ and 5G™ logo 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.
Foreword
This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Mobile Standards Group
(MSG).
For non-EU countries, the present document may be used for regulatory (Type Approval) purposes.
The present document has been prepared under the Commission's standardisation request C(2015) 5376 final [i.1] to
provide one voluntary means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation
of the laws of the Member States relating to the making available on the market of radio equipment and repealing
Directive 1999/5/EC [i.2].
Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with
the normative clauses of the present document given in table A-1 confers, within the limits of the scope of the present
document, a presumption of conformity with the corresponding essential requirements of that Directive and associated
EFTA regulations.
The present document is part 14 of a multi-part deliverable. Full details of the entire series can be found in part 1 [i.7].

National transposition dates
Date of adoption of this EN: 6 February 2025
Date of latest announcement of this EN (doa): 31 May 2025
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 30 November 2025
Date of withdrawal of any conflicting National Standard (dow): 30 November 2026

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8 ETSI EN 301 908-14 V17.1.1 (2025-02)
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
Introduction
The present document is part of a set of standards developed by ETSI that are designed to fit in a modular structure to
cover radio equipment within the scope of the Radio Equipment Directive [i.1]. The present document is produced
following the guidance in ETSI EG 203 336 [i.3] as applicable.

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9 ETSI EN 301 908-14 V17.1.1 (2025-02)
1 Scope
The present document specifies technical characteristics and methods of measurements for the types of equipment:
1) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA).
2) Base Station for Evolved Universal Terrestrial Radio Access (E-UTRA) with NB-IoT.
3) Base Station for NB-IoT standalone.
NOTE: UTRA TDD is not included in Release 17 of ETSI EN 301 908.
This radio equipment type is capable of operating in all or any part of the operating bands given in table 1-1. Unless
stated otherwise, requirements specified for the TDD duplex mode apply for downlink and uplink operations in Frame
Structure Type 2. NB-IoT is designed to operate in the E-UTRA operating bands 1, 3, 8, 20, 28, 31, 41, 42, 43, 65, 72,
87, 88 which are defined in table 1-1.
Table 1-1: E-UTRA Base Station operating bands
E-UTRA band Direction of E-UTRA Base Station Relevant EC/ECC decision
transmission operating bands
1 Transmit 2 110 MHz to 2 170 MHz [i.24] and [i.28]
Receive 1 920 MHz to 1 980 MHz
3 Transmit 1 805 MHz to 1 880 MHz [i.22] and [i.23]
Receive 1 710 MHz to 1 785 MHz
7 Transmit 2 620 MHz to 2 690 MHz [i.26] and [i.27]
Receive 2 500 MHz to 2 570 MHz
8 Transmit 925 MHz to 960 MHz [i.22] and [i.23]
Receive 880 MHz to 915 MHz
20 Transmit 791 MHz to 821 MHz [i.17] and [i.18]
Receive 832 MHz to 862 MHz
22 Transmit 3 510 MHz to 3 590 MHz [i.12] and [i.29]
Receive 3 410 MHz to 3 490 MHz
28 Transmit 758 MHz to 803 MHz [i.14] and [i.15]
(note 5)
Receive 703 MHz to 748 MHz
Transmit 462,5 MHz to 467,5 MHz [i.31]
Receive 452,5 MHz to 457,5 MHz
32 Transmit 1 452 MHz to 1 496 MHz [i.19], [i.20] and [i.21]
(note 1) Receive N/A
34 Transmit and Receive 2 010 MHz to 2 025 MHz [i.24]
38 Transmit and Receive 2 570 MHz to 2 620 MHz [i.27] and [i.28]
40 Transmit and Receive 2 300 MHz to 2 400 MHz [i.26]
41 (note 6) Transmit and Receive 2 496 MHz to 2 690 MHz [i.27] and [i.28]
42 Transmit and Receive 3 400 MHz to 3 600 MHz [i.12] and [i.29]
43 Transmit and Receive 3 600 MHz to 3 800 MHz [i.12] and [i.29]
46 Transmit and Receive 5 150 MHz to 5 925 MHz [i.10] and [i.11]
(notes 3 and
4)
50 (note 1) Transmit 1 432 MHz to 1 517 MHz [i.20]
Receive 1 432 MHz to 1 517 MHz
51 (note 1) Transmit 1 427 MHz to 1 432 MHz [i.20]
Receive 1 427 MHz to 1 432 MHz
65 (note 7) Transmit 2 110 MHz to 2 200 MHz [i.24], [i.28] and [i.30]
Receive 1 920 MHz to 2 010 MHz
67 Transmit 738 MHz to 758 MHz [i.14] and [i.15]
Receive N/A
68 Transmit 753 MHz to 783 MHz [i.14] and [i.15]
Receive 698 MHz to 728 MHz
69 Transmit 2 570 MHz to 2 620 MHz [i.27] and [i.28]
(note 1)
Receive N/A
72 Transmit 461 MHz to 466 MHz [i.31]
Receive 451 MHz to 456 MHz
75 (note 1) Transmit 1 432 MHz to 1 517 MHz [i.19], [i.20] and [i.21]
76 (note 1) Transmit 1 427 MHz to 1 432 MHz [i.20] and [i.21]
87 Transmit 420 MHz to 425 MHz [i.31]
ETSI
10 ETSI EN 301 908-14 V17.1.1 (2025-02)
E-UTRA band Direction of E-UTRA Base Station Relevant EC/ECC decision
transmission operating bands
Receive 410 MHz to 415 MHz
88 Transmit 422 MHz to 427 MHz [i.31]
Receive 412 MHz to 417 MHz
NOTE 1: Restricted to E-UTRA DL operation when carrier aggregation is configured. The downlink operating
band is paired with the uplink operating band (external) of the carrier aggregation configuration that is
supporting the configured Pcell.
NOTE 2: Void.
NOTE 3: This band is an unlicensed band restricted to licensed-assisted operation using Frame Structure
Type 3. In Europe according to [i.10] and [i.11], radio equipment in band 46 operates between
5 150 MHz and 5 725 MHz as in table 1-2.
NOTE 4: In this version of the present document, restricted to E-UTRA DL operation when carrier aggregation is
configured. Band 46 is divided into three sub-bands as in table 1-2.
NOTE 5: In Europe according to [i.14] and [i.15], radio equipment in band 28 operates between 758 MHz to
791 MHz for the transmitter (FDL_low = 758 MHz and FDL_high = 791 MHz) and between 703 MHz to
736 MHz for the receiver (FUL_low = 703 MHz and FUL_high = 736 MHz).
NOTE 6: In Europe according to [i.27] and [i.28], radio equipment in band 41 operates between 2 570 MHz and
2 620 MHz (FDL_low = 2 570 MHz and FDL_high = 2 620 MHz).
NOTE 7: This band includes two frequency ranges that are harmonised in Europe:
(a) Based on [i.30], radio equipment in band 65 operates between 2 170 MHz to 2 200 MHz for the
tran
...