General Information

Abstract

This European Telecommunication Standard (ETS) defines the aspects of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface which are based on 3V technology to be used in the Mobile Station (MS ). It specifies the electrical and logical requirements necessary for the operation of the 3V SIM - ME interface where it differs from GSM 1 1.11 (ETS 300 608) [1]. For all aspects of the SIM - ME interface whic h are not covered by this ETS, GSM 11.11 (ETS 300 608) [1] applies.

Status
Published
Publication Date
30-Nov-2003
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Dec-2003
Due Date
01-Dec-2003
Completion Date
01-Dec-2003

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SIST ETS 300 641 E2:2003

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Overview

SIST ETS 300 641 E2:2003 is a European standard specifying critical requirements for the interface between a Subscriber Identity Module (SIM) and Mobile Equipment (ME) in digital cellular telecommunications systems (GSM Phase 2), focusing specifically on 3 Volt technology. Developed by the Slovenski inštitut za standardizacijo (SIST) and aligned with ETSI's GSM 11.12 version 4.2.1, this standard ensures that SIM cards and mobile devices operate reliably at lower supply voltages, bringing compatibility and security benefits to GSM networks.

This standard is crucial for manufacturers and integrators aiming for interoperability and compliance within the Global System for Mobile Communications (GSM) infrastructure, especially as devices transition from traditional 5V to more energy-efficient 3V technology.

Key Topics

  • 3V SIM and ME Operation
    The standard defines which aspects of the SIM-ME interface operate at 3V ±10% as opposed to the legacy 5V ±10%. Both SIM cards and mobile equipment must support these lower voltages for compliance.

  • Compatibility and Identification
    To maintain cross-compatibility, the standard stipulates mechanisms to properly identify 3V-capable SIMs and ensures that equipment can safely interact with both 3V and 5V SIM cards.

  • Activation, Deactivation, and Error Handling
    Procedures for safely activating and deactivating SIM cards at either voltage are defined, along with error handling flows if communication cannot be established or maintained.

  • Electrical and Logical Specifications
    Detailed voltage ranges, timing requirements, and input/output tolerances are established for the interface lines (I/O, CLK, RST, Vcc), ensuring reliable and safe operation.

  • Transition and Supply Voltage Switching
    Guidance for switching between 3V and 5V operation, ensuring backward compatibility with legacy SIMs while future-proofing devices for newer, lower-voltage cards.

Applications

  • Mobile Device Manufacturing
    Ensures that new phones and other mobile devices are compatible with both existing and next-generation SIM cards, reducing costs and complexity for manufacturers.

  • SIM Card Production
    Guides SIM card designers to implement electrical characteristics that meet GSM network requirements and maximize operational life at reduced voltages.

  • Network Operators
    Supports seamless operation and user authentication in GSM networks by facilitating reliable SIM-ME communication across various device generations.

  • Mobile Equipment Testing
    Provides reference values for testing equipment to verify compliance with both the electrical and logical parameters of the SIM-ME interface.

Related Standards

  • GSM 11.11 / ETS 300 608
    Primary standard covering the general SIM-ME interface. For all aspects not specifically addressed by SIST ETS 300 641 E2:2003, GSM 11.11 applies.

  • ETSI GSM Series Standards
    A broader suite of specifications for GSM networks, covering radio, core network, and service interfaces.

  • ISO/IEC 7816
    International standard for smart card interfaces, relevant for SIM card form factors and basic communications.

Practical Value

Implementing SIST ETS 300 641 E2:2003 enhances energy efficiency and device reliability in GSM networks by standardizing the transition to 3 Volt SIM technology. It allows network operators and device manufacturers to confidently deploy lower power mobile solutions, support backward compatibility, and ensure robust user authentication. Compliance with this standard is a critical step toward future-proofing mobile communications infrastructure for ongoing technological evolution.

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SIST ETS 300 641 E2:2003

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Frequently Asked Questions

SIST ETS 300 641 E2:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version 4.2.1)". This standard covers: This European Telecommunication Standard (ETS) defines the aspects of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface which are based on 3V technology to be used in the Mobile Station (MS ). It specifies the electrical and logical requirements necessary for the operation of the 3V SIM - ME interface where it differs from GSM 1 1.11 (ETS 300 608) [1]. For all aspects of the SIM - ME interface whic h are not covered by this ETS, GSM 11.11 (ETS 300 608) [1] applies.

This European Telecommunication Standard (ETS) defines the aspects of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface which are based on 3V technology to be used in the Mobile Station (MS ). It specifies the electrical and logical requirements necessary for the operation of the 3V SIM - ME interface where it differs from GSM 1 1.11 (ETS 300 608) [1]. For all aspects of the SIM - ME interface whic h are not covered by this ETS, GSM 11.11 (ETS 300 608) [1] applies.

SIST ETS 300 641 E2:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.

SIST ETS 300 641 E2:2003 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)


SLOVENSKI STANDARD
01-december-2003
'LJLWDOQLFHOLþQLWHOHNRPXQLNDFLMVNLVLVWHP ID]D ¤±6SHFLILNDFLMD9QHJD
YPHVQLNDQDURþQLãNDLGHQWLILNDFLMVNDNDUWLFDPRELOQDRSUHPD 6,00(  *60
UD]OLþLFD
Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt
Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version
4.2.1)
Ta slovenski standard je istoveten z: ETS 300 641 Edition 2
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 641
TELECOMMUNICATION August 1997
STANDARD Second Edition
Source: ETSI SMG Reference: RE/SMG-091112QR
ICS: 33.020
Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
Digital cellular telecommunications system (Phase 2);
Specification of the 3 Volt Subscriber Identity Module
- Mobile Equipment (SIM - ME) interface
(GSM 11.12 version 4.2.1)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
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 1997. All rights reserved.

Page 2
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

Page 3
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
Contents
Foreword .5
1 Scope .7
2 Normative references.7
3 Definitions, abbreviations and symbols.7
3.1 Definitions .7
3.2 Abbreviations .7
3.3 Symbols .7
4 3V technology.8
4.1 3V technology SIM.8
4.2 3V technology impact.8
4.3 3V technology SIM Identification.8
4.4 3V technology ME.8
4.5 3V Only ME.8
4.6 Activation and deactivation .9
4.7 Supply voltage switching.9
4.8 Cross compatibility.9
4.9 Outlook.9
5 Electrical specifications of the SIM - ME interface .9
History.12

Page 4
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
Blank page
Page 5
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
Foreword
This European Telecommunications Standard (ETS) has been produced by the Special Mobile Group
(SMG) of the European Telecommunications Standards Institute (ETSI).
This ETS defines the aspects of the Subscriber Identity Module - Mobile Equipment (SIM - ME) interface
which are based on 3V technology to be used in the Mobile Station (MS) within the digital cellular
telecommunications system (Phase 2).
Transposition dates
Date of adoption: 25 July 1997
Date of latest announcement of this ETS (doa): 30 November 1997
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 May 1998
Date of withdrawal of any conflicting National Standard (dow): 31 May 1998

Page 6
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
Blank page
Page 7
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
1 Scope
This European Telecommunications Standard (ETS) defines the aspects of the Subscriber Identity
Module-Mobile Equipment (SIM - ME) interface which are based on 3V technology to be used in the
Mobile Station (MS). It specifies the electrical and logical requirements necessary for the operation of the
3V SIM - ME interface where it differs from GSM 11.11 (ETS 300 608) [1]. For all aspects of the SIM - ME
interface which are not covered by this ETS, GSM 11.11 (ETS 300 608) [1] applies.
2 Normative references
This ETS incorporates by dated and non-dated reference, provisions from other publications. This
normative reference is cited at the appropriate places in the text and the publications are listed hereafter.
For dated references, subsequent amendments to or revisions of any of these publications apply to this
ETS only when incorporated in it by amendment or revision. For non-dated references the latest edition of
the publication referred to applies.
[1] GSM 11.11 (ETS 300 608): "Digital cellular telecommunications system
(Phase 2); Specification of the Subscriber Identity Module-Mobile Equipment
(SIM - ME) interface".
3 Definitions, abbreviations and symbols
3.1 Definitions
For the purposes of this ETS, the following definitions apply.
3V technology SIM: A SIM operating at 3V ± 10 % and 5V ± 10 %.
3V technology ME: An ME operating the SIM - ME interface at 3V ± 10 % according to this ETS and
5V ± 10 % according to GSM 11.11 (ETS 300 608) [1].
3V only ME: An ME only operating the SIM - ME interface at 3V ± 10 % according to this
ETS.
3.2 Abbreviations
For the purposes of this ETS, the following abbreviations apply.
ATR Answer To Reset
CLK Clock
IC Integrated Circuit
I/O Input/Output
ME Mobile Equipment
MS Mobile Station
RST Reset
SIM Subscriber Identity Module
3.3 Symbols
For the purposes of this ETS, the following symbols apply.
t fall time
F
t rise time
R
V Input Voltage (high)
IH
V Input Voltage (low)
IL
V Output Voltage (high)
OH
V Output Voltage (low)
OL
Page 8
ETS 300 641 (GSM 11.12 version 4.2.1): August 1997
4 3V technology
4.1 3V technology SIM
The SIM shall operate on both 5V ± 10 % according to GSM 11.11 (ETS 300 608) [1], and on 3V ± 10 %
according to this ETS. If the ME supplies 5V to the SIM, both the ME and the SIM shall operate according
to GSM 11.11 (ETS 300 608) [1]. The logical operation of the 3V technology SIM shall be as defined in
GSM 11.11
...