Abstract

The present document specifies the essential requirements for Digital Fixed Radio Systems (DFRS) operating in frequency bands, which do not require co-ordinated frequency planning. It is intended to cover the provisions of Directive 1999/5/EC [1] (R&TTE Directive) regarding article 3.2, which states that "… radio equipment shall be soconstructed that it effectively uses the spectrum allocated to terrestrial/space radio communications and orbital
resources so as to avoid harmful interference".

Status
Published
Publication Date
31-Aug-2006
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Sep-2006
Due Date
01-Sep-2006
Completion Date
01-Sep-2006
Mandate
M/284

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SIST EN 302 217-4-2 V1.2.1:2006

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SIST EN 302 217-4-2 V1.2.1:2006 is the Slovenian adoption of ETSI EN 302 217-4-2 V1.2.1, a harmonized European standard for antennas used with fixed point-to-point digital radio systems. It specifies the essential Article 3.2 requirements of the R&TTE Directive for antennas in frequency bands that do not require coordinated frequency planning. In practice, it tells suppliers, manufacturers, and test labs how to declare, design, and test antenna radiation pattern, cross-polar discrimination, and gain.

What does SIST EN 302 217-4-2 V1.2.1:2006 specify?

SIST EN 302 217-4-2 V1.2.1:2006 covers antennas for Digital Fixed Radio Systems (DFRS) that operate in bands where frequency coordination is not applied. The standard is written to support Article 3.2 of the R&TTE Directive, which is about effective use of spectrum and avoiding harmful interference.

It applies to antenna types intended for use with the systems in EN 302 217-2-2 and EN 302 217-3. The document is organized into:

  • Scope and references
  • Definitions, symbols, and abbreviations
  • Technical requirements
  • Testing for compliance
  • Two informative annexes: bibliography and official-language titles

Clause 4 is the core technical part. Clause 5 explains how compliance is checked in testing.

What are the key requirements of SIST EN 302 217-4-2 V1.2.1:2006?

The standard centers on three antenna characteristics: radiation pattern, cross-polar discrimination, and gain. It also requires suppliers to declare the operating band, gain, polarization, and the environmental profile used for compliance.

Environmental and product declaration

Clause 4.1 ties the requirements to a declared operational environmental profile. Clause 5.1 says the antenna must comply within that declared range, so the supplier has to state the intended conditions of use clearly.

Clause 4 also requires the supplier to declare the frequency band of operation and antenna gain at least at the band edges and mid-band. If the antenna uses a radome, compliance is checked with the radome fitted. That matters because the cover can change the antenna pattern and gain.

Polarization and spectrum use

Clause 4 requires the antenna system to radiate a linear polarized wave, single or dual. In bands where frequency coordination is applied, single-polarized antennas must also meet cross-polar requirements. For the reader, this means polarization is not just a design choice - it is part of the conformity assessment.

Radiation Pattern Envelope (RPE)

Clause 4.2 defines the RPE requirements across the frequency ranges from 1 GHz to 60 GHz. Table 1 links each band to the antenna classes that are represented in this standard. The figures in clauses 4.2.1 to 4.2.7 provide the actual RPE masks for each class and band.

In practice, the RPE is what limits off-axis radiation and helps control interference into other links. Designers use the class and band combination to choose an antenna with the right directivity for the network density and spectrum plan.

Cross-Polar Discrimination (XPD)

Clause 4.3 sets XPD requirements in two frequency regions:

  • 1 GHz to 3 GHz, with two XPD categories
  • 3 GHz to 60 GHz, with three XPD categories that vary by frequency range

The supplier declares which XPD category applies. The figures in clause 4.3 also show the angular regions where XPD is checked. For practical use, this tells the test lab where to measure and tells the supplier how much polarization isolation the antenna must maintain.

Antenna gain

Clause 4.4 treats gain as a declared parameter because it contributes to equivalent isotropically radiated power (EIRP), which affects interference management. The declared nominal gain and tolerance are used in the test report. That means gain is not only a catalog figure - it is part of the technical evidence for conformity.

Compliance testing

Clause 5 requires tests to be run under the declared environmental profile and, for wideband antennas, at the highest and lowest operating frequencies. Table 4 maps the technical items to the test clauses in EN 301 126-3-1:

  • RPE
  • gain
  • XPD

That gives manufacturers and labs a direct route from requirement to test method.

What terms does SIST EN 302 217-4-2 V1.2.1:2006 define?

The document adopts definitions, symbols, and abbreviations from EN 302 217-1. The most useful terms here are:

  • Digital Fixed Radio Systems (DFRS) - fixed digital radio systems used for point-to-point links.
  • Radiation Pattern Envelope (RPE) - the allowed off-axis pattern shape of an antenna.
  • Cross-Polar Discrimination (XPD) - the separation between orthogonal polarizations, used to limit unwanted coupling.
  • Equivalent Isotropically Radiated Power (EIRP) - a power measure that combines transmitter power and antenna gain.
  • Point-to-point (P-P) - a link between two fixed stations or endpoints.
  • R&TTE Directive - the European legal framework that this harmonized standard supports for spectrum use and interference avoidance.

Who uses SIST EN 302 217-4-2 V1.2.1:2006?

Manufacturers and antenna suppliers use this standard to design products, declare operating parameters, and prepare technical files. Test laboratories use it together with EN 301 126-3-1 to run the RPE, XPD, and gain checks.

Administrations, operators, and buyers use it when selecting antenna classes and performance levels for a given band and network density. Conformity assessment teams use it when preparing reports and declarations for R&TTE-related compliance.

What changed in SIST EN 302 217-4-2 V1.2.1:2006 from the previous edition?

This version is part of the EN 302 217 series that, together with EN 302 217-2-2 and EN 302 217-3, is intended to replace and supersede EN 301 751 for point-to-point equipment and antennas.

The foreword also notes that some lower-class antenna types from EN 301 751 were not carried over into this standard because they were no longer considered appropriate for the system context. Those types are retained in EN 302 217-4-1.

Which standards are used with SIST EN 302 217-4-2 V1.2.1:2006?

ReferenceWhat it contributes
Directive 1999/5/ECThe legal basis for the Article 3.2 spectrum-use requirement.
EN 302 217-1Definitions, symbols, and abbreviations used throughout the series.
EN 301 126-3-1Antenna conformance test definitions, general requirements, and test procedures.
EN 302 217-2-2Digital systems in bands where frequency coordination is applied.
EN 302 217-3Equipment in bands where frequency coordination is not applied.
EN 302 217-4-1System-dependent antenna requirements and additional antenna classes.
EN 301 126-1Guidance for the environmental class used when declaring operating conditions.

What does the SIST EN 302 217-4-2 V1.2.1:2006 document contain?

The document contains RPE masks in figures for multiple frequency ranges and antenna classes, plus XPD masks for measurement around the main beam axis. Table 1 summarizes which antenna classes are represented in each band.

It also includes Table 2 and Table 3 for XPD categories and Table 4 for the test clauses and conditions. Annex A gives the bibliography, and Annex B lists the EN title in the official languages.

Relations

Effective Date
25-Jan-2010
Effective Date
25-Jan-2010

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SIST EN 302 217-4-2 V1.2.1:2006

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Frequently Asked Questions

SIST EN 302 217-4-2 V1.2.1:2006 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and antennas; Part 4-2: Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for antennas". This standard covers: The present document specifies the essential requirements for Digital Fixed Radio Systems (DFRS) operating in frequency bands, which do not require co-ordinated frequency planning. It is intended to cover the provisions of Directive 1999/5/EC [1] (R&TTE Directive) regarding article 3.2, which states that "… radio equipment shall be soconstructed that it effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so as to avoid harmful interference".

The present document specifies the essential requirements for Digital Fixed Radio Systems (DFRS) operating in frequency bands, which do not require co-ordinated frequency planning. It is intended to cover the provisions of Directive 1999/5/EC [1] (R&TTE Directive) regarding article 3.2, which states that "… radio equipment shall be soconstructed that it effectively uses the spectrum allocated to terrestrial/space radio communications and orbital resources so as to avoid harmful interference".

SIST EN 302 217-4-2 V1.2.1:2006 is classified under the following ICS (International Classification for Standards) categories: 33.060.30 - Radio relay and fixed satellite communications systems; 33.120.40 - Aerials. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 302 217-4-2 V1.2.1:2006 has the following relationships with other standards: It is inter standard links to SIST EN 302 217-4-2 V1.1.3:2005, SIST EN 302 217-4-2 V1.3.1:2008. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST EN 302 217-4-2 V1.2.1:2006 is associated with the following European legislation: EU Directives/Regulations: 1999/5/EC; Standardization Mandates: M/284. 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 302 217-4-2 V1.2.1:2006 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)


SLOVENSKI STANDARD
01-september-2006
)LNVQLUDGLMVNLVLVWHPL±.DUDNWHULVWLNHLQ]DKWHYH]DRSUHPRLQDQWHQHWLSDWRþND
WRþND±GHO+DUPRQL]LUDQL(1NL]DMHPDELVWYHQH]DKWHYHþOHQDGLUHNWLYH
5 77(]DDQWHQH
Fixed Radio Systems; Characteristics and requirements for point-to-point equipment and
antennas; Part 4-2: Harmonized EN covering essential requirements of Article 3.2 of
R&TTE Directive for antennas
Ta slovenski standard je istoveten z: EN 302 217-4-2 Version 1.2.1
ICS:
33.060.30 Radiorelejni in fiksni satelitski Radio relay and fixed satellite
komunikacijski sistemi communications systems
33.120.40 Antene Aerials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Candidate Harmonized European Standard (Telecommunications series)

Fixed Radio Systems;
Characteristics and requirements
for point-to-point equipment and antennas;
Part 4-2: Harmonized EN covering essential requirements
of Article 3.2 of R&TTE Directive for antennas

2 ETSI EN 302 217-4-2 V1.2.1 (2006-06)

Reference
REN/TM-04164
Keywords
antenna, DFRS, DRRS, FWA, point-to-point,
radio, regulation, transmission
ETSI
650 Route des Lucioles
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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, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2006.
All rights reserved.
TM TM TM
DECT , PLUGTESTS and UMTS are Trade Marks of ETSI registered for the benefit of its Members.
TM
TIPHON and the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI
3 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
Contents
Intellectual Property Rights.4
Foreword.4
Introduction .5
1 Scope.7
2 References.8
3 Definitions, symbols and abbreviations .8
3.1 Definitions.8
3.2 Symbols.8
3.3 Abbreviations.8
4 Technical requirements specifications.8
4.1 Environmental profile.9
4.2 Radiation Pattern Envelope (RPE) .9
4.2.1 Frequency range 0: 1 GHz to 3 GHz .9
4.2.2 Frequency range 1: 3 GHz to 14 GHz .13
4.2.3 Frequency range 2: 14 GHz to 20 GHz.15
4.2.4 Frequency range 3: 20 GHz to 24 GHz.17
4.2.5 Frequency range 4: 24 GHz to 30 GHz.19
4.2.6 Frequency range 5: 30 GHz to 47 GHz.21
4.2.7 Frequency range 6: 47 GHz to 60 GHz.24
4.3 Cross-Polar Discrimination (XPD).26
4.3.1 Frequency range 1 GHz to 3 GHz.26
4.3.2 Frequency range 3 GHz to 60 GHz.27
4.4 Antenna gain.28
5 Testing for compliance with technical requirements.28
5.1 Environmental conditions for testing .28
5.2 Wide radio-frequency band covering antennas specification and tests .29
5.3 Essential antenna test suites.29
Annex A (informative): Bibliography.30
Annex B (informative): The EN title in the official languages .31
History .32

ETSI
4 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
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 Transmission and Multiplexing (TM).
The present document has been produced by ETSI in response to a mandate from the European Commission issued
under Council Directive 98/34/EC (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 Directive 1999/5/EC [1] 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").
The present document is part 4 sub-part 2 of a multi-part deliverable covering the Fixed Radio Systems; Characteristics
and requirements for point-to-point equipment and antennas, as identified below:
Part 1: "Overview and system-independent common characteristics";
Part 2-1: "System-dependent requirements for digital systems operating in frequency bands where frequency
co-ordination is applied";
Part 2-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for digital
systems operating in frequency bands where frequency co-ordination is applied";
Part 3: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for equipment
operating in frequency bands where no frequency co-ordination is applied";
Part 4-1: "System-dependent requirements for antennas";
Part 4-2: "Harmonized EN covering essential requirements of Article 3.2 of R&TTE Directive for
antennas".
The present document, with EN 302 217-2-2 and EN 302 217-3 (see bibliography) intend to replace and supersede the
harmonized EN 301 751 (see bibliography) for all P-P equipment and antennas.

National transposition dates
Date of adoption of this EN: 2 June 2006
Date of latest announcement of this EN (doa): 30 September 2006
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 March 2007
Date of withdrawal of any conflicting National Standard (dow): 31 March 2008

ETSI
5 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
Introduction
The present document is part of a set of standards designed to fit in a modular structure to cover all radio and
telecommunications terminal equipment under the R&TTE Directive. Each standard is a module in the structure. The
modular structure is shown in figure 1.

Disability*
3.3f
Emergency*
3.3e
Fraud*
3.3d
3.3c
Privacy*
No harm to the network*
3.3b
* If needed
Scoped by
Interworking via the network*
equipment
3.3a class or type
Interworking with the network
Use of spectrum
3.2
New radio harmonized standards
Spectrum
Scoped by frequency and/or equipment type
Radio Product EMC
EN 301 489 multi-part EMC standard
3.1b
EMC
Generic and product standards also notified under EMC Directive
- If needed, new standards for human exposure to
Electromagnetic Fields,
- if needed, new standards for acoustic safety
3.1a
Standards also notified under LV Directive
Safety
Non-radio Radio (RE)
TTE Non-TTE
Figure 1: Modular structure for the various standards used under the R&TTE Directive
ETSI
6 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
The left hand edge of the figure 1 shows the different clauses of Article 3 of the R&TTE Directive.
For article 3.3 various horizontal boxes are shown. Dotted lines indicate that at the time of publication of the present
document essential requirements in these areas have to be adopted by the Commission. If such essential requirements
are adopted, and as far and as long as they are applicable, they will justify individual standards whose scope is likely to
be specified by function or interface type.
The vertical boxes show the standards under article 3.2 for the use of the radio spectrum by radio equipment. The
scopes of these standards are specified either by frequency (normally in the case where frequency bands are
harmonized) or by radio equipment type.
For article 3.1b the diagram shows EN 301 489, the multi-part product EMC standard for radio used under the EMC
Directive [2].
For article 3.1a the diagram shows the existing safety standards currently used under the LV Directive [3] and new
standards covering human exposure to electromagnetic fields. New standards covering acoustic safety may also be
required.
The bottom of the figure shows the relationship of the standards to radio equipment and telecommunications terminal
equipment. A particular equipment may be radio equipment, telecommunications terminal equipment or both. A radio
spectrum standard will apply if it is radio equipment. An article 3.3 standard will apply as well only if the relevant
essential requirement under the R&TTE Directive is adopted by the Commission and if the equipment in question is
covered by the scope of the corresponding standard. Thus, depending on the nature of the equipment, the essential
requirements under the R&TTE Directive may be covered in a set of standards.
The modularity principle has been taken because:
- it minimizes the number of standards needed. Because equipment may, in fact, have multiple interfaces and
functions it is not practicable to produce a single standard for each possible combination of functions that may
occur in an equipment;
- it provides scope for standards to be added:
- under article 3.2 when new frequency bands are agreed; or
- under article 3.3 should the Commission take the necessary decisions
without requiring alteration of standards that are already published;
- it clarifies, simplifies and promotes the usage of Harmonized Standards as the relevant means of conformity
assessment.
ETSI
7 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
1 Scope
The present document is intended to cover the provisions of Directive 1999/5/EC (R&TTE Directive) [1] regarding
article 3.2, which states that "[…] radio equipment shall be so constructed that it effectively uses the spectrum allocated
to terrestrial/space radio communications and orbital resources so as to avoid harmful interference".
The present document with EN 302 217-2-2 (see bibliography) and EN 302 217-3 (see bibliography) intend to replace
and supersede, after a suitable transition period, the harmonized EN 301 751 (see bibliography) for all P-P equipment
and antennas. It is applicable only to antenna types that are intended for use with the systems falling within the scope of
documents EN 302 217-2-2 (see bibliography) and EN 302 217-3 (see bibliography).
Those documents introduces, for systems (equipment and antennas) already covered by EN 301 751 (see bibliography),
equal, technically equivalent or less stringent requirements. Therefore, from a strictly technical point of view, it is
expected that antennas, covered in the present document and already conforming to the previous EN 301 751
(see bibliography), would not need a new test report for re-assessment of essential requirements according this new
EN 302 217 series (see notes); however, legal implications with respect to the declaration of conformity have not been
considered, not being in the scope of the present document.
NOTE 1: Few antenna types of the lower classes, covered by EN 301 751, based on EN 300 631 and EN 300 833
(see these references in the bibliography), have not been carried over into the present document because
no longer considered appropriate, from the system point of view, with the increasing demand of spectrum
in ETSI Countries, and therefore no more suitable for essential requirements under article 3.2 of the
R&TTE Directive [1] within the European Union. Nevertheless, recognizing that ETSI ENs have
worldwide relevance, they are still found into EN 302 217-4-1 (see bibliography).
In addition to the present document, other ENs that specify technical requirements in respect of essential requirements
under other parts of article 3 of the R&TTE Directive will apply to equipment within the scope of the present document.
NOTE 2: A list of such ENs is included on the web site http://www.newapproach.org.
In order to technically cover different market and network requirements, with an appropriate balance of performance to
cost and effective and appropriate use of the radio spectrum, the present document, together with EN 302 217-2-2
(see bibliography), offers a number of system types and antennas alternatives, for selection by administrations,
operators and manufacturers dependent on the desired use of the radio spectrum and network/market requirements;
those options include:
• channel separation alternatives (as provided by the relevant CEPT Recommendation);
• spectral efficiency class alternatives (different complexity of modulation formats provided in radio equipment
standards);
• antenna directivity class alternatives (for different network density requirement).
The present document is considered applicable to fixed radio systems products with integral antennas, for which all the
technical requirements included in the present document, in EN 302 217-2-2 (see bibliography) and in EN 302 217-3
(see bibliography) apply; the present document applies, as well, to separate antenna products, to which only the relevant
technical requirements apply. For more background information on the equipment and antenna parameters relevant to
Article 3.2 of the R&TTE Directive see EG 201 399 (see bibliography) and TR 101 156 (see bibliography).
ETSI
8 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
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.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
[1] 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).
[2] ETSI EN 301 126-3-1 (V1.1.2): "Fixed Radio Systems; Conformance testing;
Part 3-1: Point-to-Point antennas; Definitions, general requirements and test procedures".
[3] ETSI EN 302 217-1 (V1.1.3): "Fixed Radio Systems; Characteristics and requirements for
point-to-point equipment and antennas; Part 1: Overview and system-independent common
characteristics".
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in EN 302 217-1 [3] apply.
3.2 Symbols
For the purposes of the present document, the symbols given in EN 302 217-1 [3] apply.
3.3 Abbreviations
For the purposes of the present document, the abbreviations given in EN 302 217-1 [3] apply.
4 Technical requirements specifications
In the following clauses, electrical characteristics are given as function of specific classification of the antennas
according to the principles referred to in EN 302 217-4-1 (see bibliography).
The antenna supplier shall state, for each antenna type, the frequency band of operation and antenna gain at least at the
frequency band edges and at mid-band. An antenna, which employs a radome, shall meet the requirements of the
present document with the radome in place. The antenna system shall radiate a linear (single or dual) polarized wave. In
bands where frequency co-ordination is applied, single polarized antennas shall meet cross-polar RPE and XPD
requirements also.
NOTE: In bands where frequency co-ordination is not applied, cross-polar RPE and XPD are not considered as
essential requirements for R&TTE Directive [1] conformance, even if the antenna is actually dual
polarized. Values given in the present document should be considered for reference purposes only. For
definition of co-ordination in frequency bands, refer to definitions in EN 302 217-1 [3].
ETSI
9 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
4.1 Environmental profile
The technical requirements of the present document apply with respect to the environmental profile for operation of the
antenna or the equipment-antenna assembly (in case of systems with integral antenna), which shall be declared by the
supplier. The antenna shall comply with all the technical requirements of the present document at all times when
operating within the boundary limits of the declared operational environmental profile. For testing the compliance to
technical requirements refer also to EN 301 126-3-1 [2] and clause 5 in the present document.
4.2 Radiation Pattern Envelope (RPE)
The present document defines only RPE which characteristics are considered suitable, within the European Community,
and relevant to essential requirements under article 3.2 of the R&TTE Directive [1]; however, it is recognized that ETSI
ENs have worldwide relevance and therefore, in other countries, there might be applications and low density radio
networks that justify a different trade-off in terms of performance, size and cost. Therefore in EN 302 217-4-1
(see bibliography) other Class 1 antenna RPE are standardized for such purpose.
Not all classes of antennas defined in EN 302 217-4-1 (see bibliography) are presently represented by specific RPEs in
the present document; missing RPEs are intended for future inclusion whenever the market might possibly require them.
Table 1 provides for each frequency range an overview of the currently standardized antenna classes.
Table 1: Summary of RPE classes represented in the present document
Frequency range Antenna Radiation Pattern
(GHz) Envelope (RPE) class
1 to 3 1A, 1B, 1C, 2, 3
3 to 14 2, 3, 4
14 to 20 2, 3, 4
20 to 24 2, 3, 4
24 to 30 2, 3, 4
30 to 47 2, 3A, 3B, 3C, 4
47 to 60 2, 3A, 3B
4.2.1 Frequency range 0: 1 GHz to 3 GHz
The choice of antenna depends on the application planned for this band, requirements of the operators and the
responsible administration. Figures 2 to 7 give the RPEs for antenna classes 1, 2 and 3.
ETSI
10 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
Co-polar Pattern
Gain, dBi
-5
-6
Cross-polar pattern
-10
-20
-30
-40
30 50
0 20 40 60 80 100 120 140 160 180
ANGLE OF AZIMUTH RELATIVE TO MAIN BEAM (degrees)

Angle (°) Co-polar (dBi) Angle (°) Cross-polar (dBi)
20 16 20 0
50 6 30 0
100 6 50 -6
140 -5 180 -6
180 -5
Figure 2: Class 1A antenna RPE (1 GHz to 3 GHz)
Co-polar Pattern
Gain, dBi
-5
-6
Cross-polar pattern
-10
-20
-30
-40
15 50
0 20 40 60 80 100 120 140 160 180
ANGLE OF AZIMUTH RELATIVE TO MAIN BEAM (degrees)

Angle (°) Co-polar (dBi) Angle (°) Cross-polar (dBi)
15 20 20 0
40 6 30 0
100 6 50 -6
140 -5 180 -6
180 -5
Figure 3: Class 1B antenna RPE (1 GHz to 3 GHz)
ETSI
11 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
Co-polar pattern
Gain, dBi 0
-7
-10
Cross-polar pattern
-20
-30
-40
30 110
0 20 40 60 80 100 120 140 160 180
ANGLE OF AZIMUTH RELATIVE TO MAIN BEAM (degrees)

Azimuth angle (°) Co-polar (dBi) Azimuth angle (°) Cross-polar (dBi)
20 12 20 0
40 4 30 0
110 -7 100 -10
180 -7 180 -10
Figure 4: Class 1C antenna RPE (1 GHz to 3 GHz, azimuth plane)
Gain, dBi
-4
0 1020 3040 50 6070 80 90
ANGLE OF ELEVATION RELATIVE TO MAIN BEAM (degrees)

Elevation angle (°) dBi
20 15
60 1
90 -4
Figure 5: Class 1C antennas RPE (1 GHz to 3 GHz, elevation plane)
ETSI
12 ETSI EN 302 217-4-2 V1.2.1 (2006-06)
Co-polar pattern
Gain, dBi 0
Cross-polar pattern
-10
-12
-15
-20
-30
-40
30 90
0 20 40 60 80 100 120 140 160 180
ANGLE OF AZIMUTH RELATIVE TO MAIN BEAM (degrees)

Angle (°) Co-polar (dBi) Angle (°) Cross-polar (dBi)
20 12 20 0
40 4 30 0
90 4 100 -15
120 -12 180 -15
180 -12
Figure 6: Class 2 antenna RPE (1 GHz to 3 GHz)
Co-polar Pattern
Gain, dBi
-10
Cross-polar pattern
-18
...