Telit Wireless Solutions HE920 Series Technical specifications

HE920 Family Product Description
80404ST10112A Rev.2 –2013-05-06

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 2 of 36
APPLICABILITY TABLE
PRODUCT
HE920-EU
HE920-NA

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
Notice
While reasonable efforts have been made to assure the accuracy of this document, Telit
assumes no liability resulting from any inaccuracies or omissions in this document, or from
use of the information obtained herein. The information in this document has been carefully
checked and is believed to be entirely reliable. However, no responsibility is assumed for
inaccuracies or omissions. Telit reserves the right to make changes to any products described
herein and reserves the right to revise this document and to make changes from time to time
in content hereof with no obligation to notify any person of revisions or changes. Telit does
not assume any liability arising out of the application or use of any product, software, or
circuit described herein; neither does it convey license under its patent rights or the rights of
others.
It is possible that this publication may contain references to, or information about Telit
products (machines and programs), programming, or services that are not announced in your
country. Such references or information must not be construed to mean that Telit intends to
announce such Telit products, programming, or services in your country.
Copyrights
This instruction manual and the Telit products described in this instruction manual may be,
include or describe copyrighted Telit material, such as computer programs stored in
semiconductor memories or other media. Laws in the Italy and other countries preserve for
Telit and its licensors certain exclusive rights for copyrighted material, including the
exclusive right to copy, reproduce in any form, distribute and make derivative works of the
copyrighted material. Accordingly, any copyrighted material of Telit and its licensors
contained herein or in the Telit products described in this instruction manual may not be
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Computer Software Copyrights
The Telit and 3rd Party supplied Software (SW) products described in this instruction manual
may include copyrighted Telit and other 3rd Party supplied computer programs stored in
semiconductor memories or other media. Laws in the Italy and other countries preserve for
Telit and other 3rd Party supplied SW certain exclusive rights for copyrighted computer
programs, including the exclusive right to copy or reproduce in any form the copyrighted
computer program. Accordingly, any copyrighted Telit or other 3rd Party supplied SW
computer programs contained in the Telit products described in this instruction manual may
not be copied (reverse engineered) or reproduced in any manner without the express written
permission of Telit or the 3rd Party SW supplier. Furthermore, the purchase of Telit products
shall not be deemed to grant either directly or by implication, estoppel, or otherwise, any
license under the copyrights, patents or patent applications of Telit or other 3rd Party supplied
SW, except for the normal non-exclusive, royalty free license to use that arises by operation
of law in the sale of a product.

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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Usage and Disclosure Restrictions
License Agreements
The software described in this document is the property of Telit and its licensors. It is
furnished by express license agreement only and may be used only in accordance with the
terms of such an agreement.
Copyrighted Materials
Software and documentation are copyrighted materials. Making unauthorized copies is
prohibited by law. No part of the software or documentation may be reproduced, transmitted,
transcribed, stored in a retrieval system, or translated into any language or computer language,
in any form or by any means, without prior written permission of Telit
High Risk Materials
Components, units, or third-party products used in the product described herein are NOT
fault-tolerant and are NOT designed, manufactured, or intended for use as on-line control
equipment in the following hazardous environments requiring fail-safe controls: the operation
of Nuclear Facilities, Aircraft Navigation or Aircraft Communication Systems, Air Traffic
Control, Life Support, or Weapons Systems (High Risk Activities"). Telit and its supplier(s)
specifically disclaim any expressed or implied warranty of fitness for such High Risk
Activities.
Trademarks
TELIT and the Stylized T Logo are registered in Trademark Office. All other product or
service names are the property of their respective owners.
Copyright © Telit Communications S.p.A. 2013.

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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Contents
1. Introduction .............................................................................................................8
1.1. Scope............................................................................................................................ 8
1.2. Audience ...................................................................................................................... 8
1.3. Contact Information, Support ..................................................................................... 8
1.4. Document Organization .............................................................................................. 9
1.5. Text Conventions......................................................................................................... 9
1.6. Related Documents................................................................................................... 10
2. Overview.................................................................................................................11
2.1. Product variants........................................................................................................ 12
2.2. Target Market............................................................................................................ 12
2.3. Features..................................................................................................................... 12
2.4. Approvals................................................................................................................... 15
3. General Product Description..................................................................................16
3.1. Dimensions and 2D mechanical drawing................................................................. 16
3.2. Weight........................................................................................................................ 17
3.3. Environmental requirements................................................................................... 17
3.3.1. Temperature range .........................................................................................................17
3.3.2. RoHS compliance .............................................................................................................17
3.4. Operating Frequency ................................................................................................ 18
3.5. Transmitter output power ........................................................................................ 19
3.6. Reference sensitivity ................................................................................................ 19
3.6.1. GSM/HSPA Sensitivity ......................................................................................................19
3.6.2. GPS Sensitivity..................................................................................................................19
3.7. Antenna(s) ................................................................................................................. 20
3.7.1. Frequency band of GSM/WCDMA antenna .....................................................................20
3.7.2. Frequency band of GPS antenna.....................................................................................20
3.8. Supply voltage........................................................................................................... 20
3.9. Power consumption .................................................................................................. 20
3.10. Logic level .............................................................................................................. 21

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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3.11. Input and Outputs .................................................................................................. 21
3.11.1. General Purpose I/Os ......................................................................................................21
3.11.2. Indication of Network Service Availability (STAT_LED) ...............................................21
3.11.3. Power on monitor (PWR_MON) / Auxiliary power output for accessories (VAUX1)...21
3.11.4. Power on/off control (ON_OFF)......................................................................................21
3.12. SIM Reader............................................................................................................. 21
3.13. Converters.............................................................................................................. 21
3.14. Audio Interface....................................................................................................... 22
3.15. Serial ports ............................................................................................................ 22
3.16. USB port ................................................................................................................. 22
3.17. User Interface ........................................................................................................ 22
3.18. Features ................................................................................................................. 22
3.18.1. Speech Coding..................................................................................................................22
3.18.2. SMS ...................................................................................................................................22
3.18.3. Real Time Clock and Alarm.............................................................................................22
3.18.4. Data Transmission capabilities ......................................................................................23
3.18.5. Local security management............................................................................................23
3.18.6. Call control .......................................................................................................................23
3.18.7. Phonebook........................................................................................................................23
3.18.8. Characters management.................................................................................................23
3.18.9. SIM related functions ......................................................................................................23
3.18.10. Call status indication ...................................................................................................23
3.18.11. Automatic answer ........................................................................................................23
3.18.12. Supplementary services..............................................................................................24
3.18.13. Acoustic signaling ........................................................................................................24
3.19. Mounting the modules on your board................................................................... 24
3.20. Packing system ...................................................................................................... 24
4. Evaluation Kit.........................................................................................................25
5. Software Features..................................................................................................26
5.1. Enhanced IP EASY Extension.................................................................................... 26
5.1.1. Overview...........................................................................................................................26
5.1.2. IP EASY definition ............................................................................................................27
6. AT Commands ........................................................................................................28

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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7. Conformity assessment issues ..............................................................................29
7.1. 1999/5/EC Directive .................................................................................................. 29
7.2. FCC/IC Regulatory notices ........................................................................................ 31
8. Safety Recommendations.......................................................................................33
9. List of acronyms ....................................................................................................34
10. Document History ...............................................................................................36

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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1. Introduction
1.1. Scope
Scope of this document is to give an overview of the Telit HE920 family, which is a rugged
automotive grade family that supports GSM/GPRS/EDGE and UMTS/HSPA with data/voice
capabilities and optional GPS/Glonass.
1.2. Audience
This document is intended for customers who are evaluating the HE920 family.
1.3. Contact Information, Support
For general contact, technical support, to report documentation errors and to order manuals,
contact Telit Technical Support Center (TTSC) at:
[email protected]
[email protected]
[email protected]
[email protected]
Alternatively, use:
http://www.telit.com/en/products/technical-support-center/contact.php
For detailed information about where you can buy the Telit modules or for recommendations
on accessories and components visit:
http://www.telit.com
To register for product news and announcements or for product questions contact Telit
Technical Support Center (TTSC).
Our aim is to make this guide as helpful as possible. Keep us informed of your comments and
suggestions for improvements.
Telit appreciates feedback from the users of our information.

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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1.4. Document Organization
This document contains the following chapters (sample):
“Chapter 1: “Introduction” provides a scope for this document, target audience, contact and
support information, and text conventions.
“Chapter 2: “Overview” gives the information of product variants and the overview of the
characteristics and features of the product.
“Chapter 3: “General Product Description” describes in details the characteristics of the
product.
“Chapter 4: “Evaluation Kit” provides a brief description of the Telit Evaluation Kit (EVK2)
as far as these modules are concerned.
“Chapter 5: “Software Features” provides an overview of the software features of the
products.
“Chapter 6: “AT Commands” provides the information of compliant.
“Chapter 7: “Conformity Assessment” provides some fundamental hints about the conformity
assessment that the final application might need.
“Chapter 8: “Safety Recommendation” provides some safety recommendations that must be
follow by the customer in the design of the application that makes use of the HE920 family.
“Chapter 9: “List of Acronyms”
1.5. Text Conventions
Danger – This information MUST be followed or catastrophic equipment failure
or bodily injury may occur.
Caution or Warning – Alerts the user to important points about integrating the
module, if these points are not followed, the module and end user equipment
may fail or malfunction.
Tip or Information –Provides advice and suggestions that may be useful when
integrating the module.
All dates are in ISO 8601 format, i.e. YYYY-MM-DD.

HE920 Family Product Description
80404ST10112A Rev.2 2013-05-06
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1.6. Related Documents
HE920 family Hardware User Guide, 1vv0301014
HE920 Software User guide, 1vv0301015
HE920 AT command reference guide, 80404ST10113A
xE920_Audio_Settings_Application_Note, 80404NT10095A
HE920 Digital Voice Interface Application Note, TBD
Telit EVK2 User Guide, 1vv0300704