SIST EN 301 489-8 V1.2.1:2003
(Main)Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 8: Specific conditions for GSM base stations
- Abstract
This standard has one common requirements part plus specific parts for each of the radio equipment and services. This harmonised standard under the EMC Directive and article 3.1b of the R&TTE Dirctive. This does not include EMC requirements for equipment covered by the Marine Equipment Directive.
- Status
- Published
- Publication Date
- 28-Feb-2003
- Technical Committee
- RES - Radio equipment and systems
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Mar-2003
- Due Date
- 01-Mar-2003
- Completion Date
- 01-Mar-2003
SIST EN 301 489-8 V1.2.1:2003 is the SIST adoption of ETSI EN 301 489-8 V1.2.1, an EMC standard in the ERM series for GSM base stations. It specifies the test conditions, performance assessment, and performance criteria for GSM and DCS digital cellular radio equipment in the Base Station System (BSS), together with ancillary RF amplifiers, GSM repeaters, and associated ancillary equipment.
What does SIST EN 301 489-8 V1.2.1 specify?
SIST EN 301 489-8 V1.2.1 specifies the EMC-related requirements for GSM base station equipment and related amplifier and repeater equipment, using EN 301 489-1 as the common technical base. It is a harmonised standard under the EMC Directive and the R&TTE Directive, and it gives product-specific test conditions where GSM base station systems need more detail than the common part.
The scope covers Phase 2 and Phase 2+ GSM and DCS equipment forming part of the BSS, plus ancillary RF amplifiers, GSM repeaters, and associated ancillary equipment. It excludes equipment that is part of the GSM Network Subsystem (NSS), such as MSC, Echo Cancellers (EC), and OMC.
| Annex | What it covers |
|---|---|
| Annex A | Examples of GSM and DCS radio equipment in scope |
| Annex B | Performance assessment for continuous phenomena applied to repeaters and ancillary RF amplifiers (CRptr) |
| Annex C | Performance assessment for transient phenomena applied to repeaters and ancillary RF amplifiers (TRptr) |
What are the key requirements of SIST EN 301 489-8 V1.2.1?
SIST EN 301 489-8 V1.2.1 adds GSM-specific test setups, performance criteria, and applicability notes to the EMC framework in EN 301 489-1. In practice, it tells the tester how to connect the equipment, what to monitor, and how to judge pass or fail for transmitters, receivers, repeaters, and ancillary RF amplifiers.
Test conditions and setup
Clause 4 requires the general test conditions from EN 301 489-1, plus GSM-specific arrangements. For equipment with more than one BTS, tests may be performed on representative connector types rather than every identical path, and integral antennas are disconnected for testing.
Transmitters are driven through the A or Abis interface, or an equivalent interface carrying the air-interface information. Receivers are tested with a communication link in place, and repeaters are tested through their antenna ports under declared operating conditions.
Signal arrangements and exclusion bands
Clause 4 also defines how wanted signals are applied and how exclusion bands are handled. The document distinguishes receiver, transmitter, and repeater exclusion bands so that immunity tests are not run where the radio is expected to be operating normally.
It also sets out how narrowband receiver responses are identified so they can be separated from true wideband susceptibility. That matters because a narrowband response is not treated the same way as an actual EMC failure.
Performance assessment
Clause 5 sets the assessment methods. For transmitters and receivers, the key performance indicators are Bit Error Ratio (BER) and Received Signal Quality (RXQUAL), depending on the chosen test method. For repeaters and ancillary RF amplifiers, the key parameter is gain within the operating band.
If the equipment is specialized, the manufacturer must define the acceptable level of performance degradation and record it in the test report. That keeps the standard workable for products that do not fit the normal GSM test cases exactly.
Performance criteria
Clause 6 ties the EMC tests to real operating behavior. For continuous phenomena, the communication link must remain established during the test, and the applicable BER or RXQUAL limit must be met. For transient phenomena, the link must recover without user-noticeable loss after each exposure.
For repeaters and ancillary RF amplifiers, continuous and transient performance is judged by change in gain, which must remain within the specified tolerance. Annex B and Annex C provide the methods used for that measurement.
Applicability tables and special cases
Clause 7 gives overview tables for emission and immunity applicability. It also adds special conditions for DC power input/output ports and for voltage dips and interruptions, including how repeaters, ancillary RF amplifiers, and associated ancillary equipment are to be assessed after supply disturbances.
Annex A shows the equipment examples the standard is intended to cover, including Phase 2 and Phase 2+ GSM base stations and related equipment in P-GSM 900, E-GSM 900, and DCS 1800 bands.
What terms does SIST EN 301 489-8 V1.2.1 define?
- A interface - The logical interface between a Base Station Controller (BSC) and a Mobile services Switching Centre (MSC).
- Abis interface - The logical interface between a Base Transceiver Station (BTS) and a BSC.
- Ancillary equipment - Equipment used with a base station, amplifier, or repeater to add operational or control features, but not to provide the main radio function on its own.
- Ancillary RF amplifier - Equipment whose primary function is to amplify between the base station antenna connector and an antenna over coaxial cable.
- Base station - Equipment under test that includes at least one BTS, an integrated BSS, or a BSC.
- Repeater - A device with two RF ports that receives, amplifies, and retransmits signals in opposite BSS bands at the same time.
- RXQUAL - The received signal quality measure used by the base station for power control and handover decisions.
Who uses SIST EN 301 489-8 V1.2.1?
SIST EN 301 489-8 V1.2.1 is used by manufacturers of GSM base stations, ancillary RF amplifiers, and GSM repeaters, together with EMC test laboratories and conformity assessment teams. Quality managers and technical buyers use it to define the EMC evidence they expect for base-station equipment and related ancillaries.
It is also relevant to design engineers and test engineers who need to plan immunity and emission testing, set up BER or RXQUAL monitoring, and document performance during EMC exposure.
What changed in SIST EN 301 489-8 V1.2.1 from the previous edition?
SIST EN 301 489-8 V1.2.1 is the ETSI publication from August 2002. The document history also lists V1.1.1 from September 2000.
Which standards are used with SIST EN 301 489-8 V1.2.1?
- EN 301 489-1 - Provides the common technical requirements, general test conditions, and the base emission and immunity framework.
- TS 101 087 - Supplies GSM Base Station System radio aspects used for transmitter and receiver assessment.
- ETS 300 578 - Provides GSM radio subsystem link control details, including RXQUAL-related characteristics.
- TS 100 607-1 - Provides Mobile Station conformance information used for RXQUAL-based assessment.
- I-ETS 300 020-1 - An alternative conformance specification referenced for RXQUAL assessment.
- EN 300 609-4 - Gives the Base Station System equipment specification for repeaters.
- ETR 350 - Provides abbreviations and acronyms used in the GSM context.
What does the SIST EN 301 489-8 V1.2.1 document contain?
The document contains clauses for scope, references, definitions, test conditions, performance assessment, performance criteria, and applicability overview tables. It also includes annexes with examples of in-scope GSM and DCS equipment and the test methods used to assess repeaters and ancillary RF amplifiers.
Clause 4 describes the test arrangements, signal routing, exclusion bands, and normal test modulation. Clause 5 explains how to assess transmitter and receiver behavior using BER or RXQUAL, and how to assess gain for repeaters and ancillary RF amplifiers.
Annex B and Annex C provide the practical measurement methods for continuous and transient immunity testing of repeaters and ancillary RF amplifiers. Those annexes are the parts a test lab would use when it needs to measure gain before, during, or after EMC exposure.
Relations
- Official Journal Project Relation
SIST EN 301 489-8:2001 - ElectroMagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 8: Specific conditions for GSM base stations - Effective Date
- 01-Dec-2009
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Frequently Asked Questions
SIST EN 301 489-8 V1.2.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 8: Specific conditions for GSM base stations". This standard covers: This standard has one common requirements part plus specific parts for each of the radio equipment and services. This harmonised standard under the EMC Directive and article 3.1b of the R&TTE Dirctive. This does not include EMC requirements for equipment covered by the Marine Equipment Directive.
This standard has one common requirements part plus specific parts for each of the radio equipment and services. This harmonised standard under the EMC Directive and article 3.1b of the R&TTE Dirctive. This does not include EMC requirements for equipment covered by the Marine Equipment Directive.
SIST EN 301 489-8 V1.2.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.060.01 - Radiocommunications in general; 33.070.50 - Global System for Mobile Communication (GSM); 33.100.01 - Electromagnetic compatibility in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 489-8 V1.2.1:2003 has the following relationships with other standards: It is inter standard links to SIST EN 301 489-8:2001. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN 301 489-8 V1.2.1:2003 is associated with the following European legislation: EU Directives/Regulations: 1999/5/EC, TRRTP124; Standardization Mandates: M/284, T-353. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 301 489-8 V1.2.1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Elektromagnetna združljivost (EMC) in zadeve v zvezi z radijskim spektrom (ERM) - Standard elektromagnetne združljivosti (EMC) za radijsko opremo in storitve - 8. del: Posebni pogoji za bazne postaje GSMElectromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 8: Specific conditions for GSM base stations33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.070.50Globalni sistem za mobilno telekomunikacijo (GSM)Global System for Mobile Communication (GSM)33.060.01Radijske komunikacije na splošnoRadiocommunications in generalICS:Ta slovenski standard je istoveten z:EN 301 489-8 Version 1.2.1SIST EN 301 489-8 V1.2.1:2003en01-marec-2003SIST EN 301 489-8 V1.2.1:2003SLOVENSKI
STANDARD
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 2
Reference REN/ERM-EMC-230-8 Keywords EMC, GSM, GSM_Phase2, GSM_Phase2_Plus, radio, regulation 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 Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: editor@etsi.fr Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2002. All rights reserved.
DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 3
Contents Intellectual Property Rights.5 Foreword.5 1 Scope.6 2 References.6 3 Definitions, symbols and abbreviations.7 3.1 Definitions.7 3.2 Abbreviations.8 4 Test conditions.8 4.1 General.8 4.2 Arrangements for test signals.8 4.2.1 Arrangements for test signals at the input of transmitters.9 4.2.2 Arrangements for test signals at the output of transmitters.9 4.2.3 Arrangements for test signals at the input of receivers.9 4.2.4 Arrangements for test signals at the output of receivers.9 4.2.5 Arrangements for testing transmitter and receiver together (as a system).9 4.2.6 Arrangements for testing repeaters.9 4.3 Exclusion band of radio communications equipment.9 4.3.1 Base station receiver exclusion band.9 4.3.2 Base station transmitter exclusion band.10 4.3.3 Repeater and ancillary RF amplifier exclusion band.10 4.4 Narrowband responses of receivers.10 4.5 Normal test modulation.10 5 Performance assessment.11 5.1 General.11 5.2 Assessment of BER at the output of a transmitter.11 5.2.1 Assessment of BER using static layer 1 functions.11 5.2.2 Assessment of BER using RXQUAL.11 5.3 Assessment of BER at the output of a receiver.12 5.3.1 Assessment of BER using RXQUAL.12 5.3.2 Assessment of BER using reported BER.12 5.4 Performance assessment of repeaters and ancillary RF amplifiers.12 5.5 Ancillary equipment.12 5.6 Equipment classification.12 6 Performance criteria.12 6.1 Performance criteria for Continuous phenomena applied to Transmitters (CT).13 6.2 Performance criteria for Transient phenomena applied to Transmitters (TT).13 6.3 Performance criteria for Continuous phenomena applied to Receivers (CRx).13 6.4 Performance criteria for Transient phenomena applied to Receivers (TRx).13 6.5 Performance criteria for Continuous phenomena applied to Repeaters and Ancillary RF Amplifiers (CRptr).14 6.6 Performance criteria for Transient phenomena applied to Repeaters and Ancillary RF Amplifiers (TRptr).14 7 Applicability overview tables.14 7.1 Emission.14 7.1.1 General.14 7.1.2 Special conditions.14 7.2 Immunity.14 7.2.1 General.14 7.2.2 Special conditions.15 Annex A (informative): Examples of GSM and DCS radio equipment in the scope of the present document.16 SIST EN 301 489-8 V1.2.1:2003
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 4
A.1 GSM base station, ancillary RF amplifiers, and GSM repeaters meeting Phase 2 and 2+.16 A.2 Other types of GSM base station, ancillary RF amplifiers, and GSM repeaters.16 Annex B (normative): Method of assessment of Performance for Continuous phenomena applied to Repeaters and Ancillary RF Amplifiers (CRptr).17 B.1 Test purpose.17 B.2 Test method.17 B.3 Performance assessment.17 Annex C (normative): Method of assessment of performance for Transient phenomena applied to Repeaters and ancillary RF amplifiers (TRptr).18 C.1 Test purpose.18 C.2 Test method.18 C.3 Performance assessment.18 History.19
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 5
Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is 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 (http://webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, 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. Foreword This Candidate Harmonized European Standard (Telecommunications series) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document has been produced by ETSI in response to a mandate from the European Commission issued under Council Directive 98/34/EC [10] (as amended) laying down a procedure for the provision of information in the field of technical standards and regulations. The present document is intended to become a Harmonized Standard, the reference of which will be published in the Official Journal of the European Communities referencing the Council Directive on the approximation of the laws of the Member States relating to electromagnetic compatibility ("the EMC Directive") (89/336/EEC [3] as amended) and Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity ("the R&TTE Directive" [2]). The present document is part 8 of a multi-part deliverable. Full details of the entire series can be found in part 1 [1].
National transposition dates Date of adoption of this EN: 9 August 2002 Date of latest announcement of this EN (doa): 30 November 2002 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
31 May 2003 Date of withdrawal of any conflicting National Standard (dow): 31 May 2004
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 6
1 Scope The present document, together with EN 301 489-1 [1], covers the assessment of equipment meeting Phase 2, and Phase 2+ requirements of the GSM and DCS digital cellular radio telecommunications systems and ancillary equipment in respect of ElectroMagnetic Compatibility (EMC). Technical specifications related to the antenna port and emissions from the enclosure port of radio equipment (base station (BTS), ancillary RF amplifiers and GSM repeaters) are not included in the present document. Such technical specifications are found in the relevant product standards for the effective use of the radio spectrum. The present document specifies the applicable test conditions, performance assessment and performance criteria for GSM and DCS digital cellular radio equipment forming part of the Base Station System (BSS), ancillary RF amplifiers, for transmission and/or reception, GSM repeaters and associated ancillary equipment.
Examples of Base station radio, ancillary RF amplifiers and repeaters covered by the present document are given in annex A. The present document is not applicable to equipment, which forms part of the GSM Network Subsystem (NSS), including Mobile services Switching Centres (MSC), Echo Cancellers (EC) and Operations and Maintenance Centres (OMC). In case of differences (for instance concerning special conditions, definitions, abbreviations) between the present document and EN 301 489-1 [1], the provisions of the present document take precedence. The environment classification and the emission and immunity requirements used in the present document are as stated in EN 301 489-1 [1], except for any special conditions included in the present document. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. • References are either specific (identified by date of publication and/or edition number or version number) or non-specific. • For a specific reference, subsequent revisions do not apply. • For a non-specific reference, the latest version applies. [1] ETSI EN 301 489-1: "Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services;
Part 1: Common technical requirements". [2] Directive 1999/5/EC of the European Parliament and of the Council of 9 March 1999 on radio equipment and telecommunications terminal equipment and the mutual recognition of their conformity (R&TTE Directive). [3] Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of the Member States relating to electromagnetic compatibility (EMC Directive). [4] ETSI ETR 350: "Digital cellular telecommunications system (Phase 2+) (GSM); Abbreviations and acronyms (GSM 01.04)". [5] ETSI ETS 300 578: "Digital cellular telecommunications system (Phase 2) (GSM); Radio subsystem link control (GSM 05.08)". [6] ETSI TS 100 607-1: "Digital cellular telecommunications system (Phase 2+); Mobile Station (MS) conformance specification; Part 1: Conformance specification (GSM 11.10-1)". [7] ETSI I-ETS 300 020-1: "European digital cellular telecommunications system (Phase 1); Mobile station conformance test system; Part 1: Mobile station conformity specification". SIST EN 301 489-8 V1.2.1:2003
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 7
[8] ETSI EN 300 609-4: "Digital cellular telecommunications system (Phase 2 and Phase 2+) (GSM); Base Station System (BSS) equipment specification; Part 4: Repeaters (GSM 11.26)". [9] ETSI TS 101 087: "Digital cellular telecommunications system (Phase 2 and Phase 2+) (GSM); Base Station System (BSS) equipment specification; Radio aspects (GSM 11.21)". [10] Directive 98/34/EC of the European Parliament and of the Council of 22 June 1998 laying down a procedure for the provision of information in the field of technical standards and regulations. 3 Definitions, symbols and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in EN 301 489-1 [1], clause 3, TS 101 087 [9] and the following apply: A interface: logical interface between a BSC and an MSC Abis interface: logical interface between a BTS and a BSC ancillary equipment: equipment (apparatus), used in connection with a base station, ancillary RF amplifier or repeater, is considered as an ancillary equipment if: - the equipment is intended for use in conjunction with a base station, ancillary RF amplifier or repeater to provide additional operational and/or control features (e.g. to extend control to another position or location); and - the equipment cannot be used on a stand alone basis to provide user functions independently of a base station, ancillary RF amplifier or repeater; and - the base station, ancillary RF amplifier or repeater to which it is connected, is capable of providing some intended operation in accordance with GSM specifications without the ancillary equipment (i.e. it is not a sub-unit of the main equipment essential to the main equipment basic functions); and - there is a physical connection between the base station, ancillary RF amplifier or repeater and the ancillary equipment (i.e. a repeater is not considered to be an ancillary equipment to a base station); and - the primary function of the equipment is not to provide amplification between the transmit and/or receive antenna connector of a base station and an antenna. ancillary RF amplifier: equipment (apparatus), used in connection with a base station, is considered as an ancillary RF amplifier if: - the primary function of the equipment is to provide amplification between the transmit and/or receive antenna connector of a base station and an antenna; and - the RF connection between the equipment and the base station uses co-axial cable; and - the equipment is capable of meeting its specified performance without requiring any control signal which defines the characteristics of the signal being amplified (e.g. the timing of the GSM timeslots or the commanded transmit power); and - if the equipment is dedicated to operate only with certain specified types of base station, these base stations are capable of meeting GSM specifications separately from the ancillary RF amplifier. NOTE: If an ancillary RF amplifier is dedicated to operate only with certain specified types of base station, and these base stations are only capable of meeting GSM specifications in conjunction with the ancillary RF amplifier, the ancillary RF amplifier is considered to be part of the base station. base station: equipment under test which includes at least one BTS, integrated BSS, or BSC maintenance port: external interface used for maintenance, testing or configuration, but not connected during normal operation SIST EN 301 489-8 V1.2.1:2003
ETSI ETSI EN 301 489-8 V1.2.1 (2002-08) 8
repeater: device with two RF ports, both of which are intended to be connected to antennas, which is capable of receiving, amplifying and transmitting simultaneously in one direction a signal in a BSS transmit band and in the other direction a signal in the corresponding BSS receive band RXQUAL: measure of the received signal quality, which is generated by the base station for use as a criterion in the RF power control and handover processes. The characteristics and requirements are specified in ETS 300 578 [5], clause 8.2 signal and control port: port which carries information or control signals, excluding antenna ports 3.2 Abbreviations For the purposes of the present document, the abbreviations given in ETR 350 [4] and the following apply: ARFCN Absolute Radio Frequency Channel Number BER Bit Error Ratio BSC Base Station Controller BSS Base Station System BSSTE Base Station System Test Equipment BTS Base Transceiver Station CRptr performance criteria for Continuous phenomena applied to Repeaters and ancillary RF amplifiers CRx performance criteria for Continuous phenomena applied to Receivers CT performance criteria for Continuous phenomena applied to Transmitters DCS Digital Cellular System EC Echo Canceller EUT Equipment Under Test GSM Global System for Mobile communication MSC Mobile services Switching Centre NSS Network Sub System RXQUAL Received Signal Quality TRptr performance criteria for Transient phenomena applied to Repeaters and Ancillary RF Amplifiers
TRx performance criteria for Transient phenomena applied to Receivers TT performance criteria for Transient phenomena applied to Transmitters 4 Test conditions For the purposes of the present document, the test conditions of EN 301 489-1 [1], clause 4, shall apply as appropriate. Further product related test conditions for GSM base stations are specified in the present document.
4.1 General For emission and immunity tests the test modulation, test arrangements, etc., as specified in the present document, clauses 4.2 to 4.5 shall apply. For an EUT which contains more than one BTS, it is sufficient to perform tests relating to connectors of each represent
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