Telit Wireless Solutions GE866-QUAD Installation manual

GE866-QUAD Hardware User
Guide
1VV0301051 Rev. 2 – 2014-04-07

GE866-DUAL Hardware User Guide
1VV0301051 Rev. 2 – 2014-04-07 7
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APPLICABILITY TABLE
PRODUCT
GE866-QUAD

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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
copied, reproduced, distributed, merged or modified in any manner without the express
written permission of Telit. 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, as arises by operation of law in the sale of a
product.
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.

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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. 2014

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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 ......................................... 10
1.6. Related Documents ........................................ 10
2. Overview .................................................... 11
3. GE866-QUAD Mechanical Dimensions ............................ 12
4. GE866-QUAD module connections ............................... 13
4.1. PIN-OUT .................................................. 13
4.2. Pin Layout ............................................... 16
5. Hardware Commands ........................................... 17
5.1. Auto-Turning ON the GE866-QUAD ........................... 17
5.2. Turning OFF the GE866-QUAD ............................... 19
5.3. Resetting the GE866-QUAD ................................. 21
5.3.1. Hardware Unconditional restart ............................. 21
6. Power Supply ................................................ 24
6.1. Power Supply Requirements ................................ 24
6.2. Power Consumption ........................................ 26
6.3. General Design Rules ..................................... 27
6.3.1. Electrical Design Guidelines ............................... 27
6.3.2. Thermal Design Guidelines .................................. 30
6.3.3. Power Supply PCB layout Guidelines ......................... 32
7. Antenna ..................................................... 34
7.1. GSM Antenna Requirements ................................. 34
7.1.1. GE866-QUAD Antenna – PCB line Guidelines ................... 34
7.2. PCB Design Guidelines .................................... 37
7.2.1. Transmission line design ................................... 37
7.2.2. Transmission line measurements ............................. 38

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7.3. GSM Antenna - installation Guidelines .................... 39
8. Logic levels specifications ................................. 40
8.1. Reset signal ............................................. 41
9. Serial Ports ................................................ 43
9.1. Modem Serial Port ........................................ 43
9.2. RS232 levels translation ................................. 46
10. Audio Section Overview ...................................... 48
10.1. MIC Connection ......................................... 48
10.2. EAR Connection ......................................... 48
10.3. Electrical Characteristics ............................. 50
10.3.1. Input lines .............................................. 50
10.3.2. Output lines ............................................. 51
11. General Purpose I/O ......................................... 52
11.1. GPIO Logic Levels ...................................... 53
11.2. Using a GPIO Pad as INPUT .............................. 54
11.3. Using a GPIO Pad as OUTPUT ............................. 54
11.4. Using the RF Transmission Control GPIO4 ................ 54
11.5. Using the RFTXMON Output GPIO5 ......................... 55
11.6. Using the ALARM/BUZZER output GPIO6 .................... 55
11.7. Magnetic Buzzer Concepts ............................... 57
11.7.1. Short Description ........................................ 57
11.7.2. Frequency Behaviour ...................................... 58
11.7.3. Power Supply Influence ................................... 58
11.7.4. Working Current Influence ................................ 58
11.8. STAT LED Indication of network service availability .... 59
11.9. SIMIN detect function .................................. 60
11.10. RTC Bypass out ......................................... 60
11.11. SIM Holder Implementation .............................. 60
12. DAC and ADC section ......................................... 61
12.1. DAC Converter .......................................... 61
12.1.1. Description .............................................. 61
12.1.2. Enabling DAC ............................................. 61

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12.1.3. Low Pass Filter Example .................................. 62
12.2. ADC Converter .......................................... 62
12.2.1. Description .............................................. 62
12.2.2. Using ADC Converter ...................................... 63
13. Mounting the GE866 on your Board ............................ 64
13.1. General ................................................ 64
13.2. Module finishing & dimensions .......................... 64
13.3. Recommended foot print for the application (dimensions in
mm): 65
13.4. Stencil ................................................ 66
13.5. PCB pad design ......................................... 66
13.6. Recommendations for PCB pad dimensions (mm): ........... 67
13.7. Solder paste ........................................... 69
13.8. GE866 Solder reflow .................................... 70
14. Packing system .............................................. 72
14.1. Packing on reel ........................................ 72
14.2. Packing on tray ........................................ 73
14.3. Moisture sensibility ................................... 74
15. Conformity Assessment Issues ...................................... 75
15.1. GE866-QUAD ............................................. 77
16. Safety Recommendations ...................................... 81
17. Document History ............................................ 82

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1. Introduction
1.1. Scope
The aim of this document is the description of some hardware
solutions useful for developing a product with the Telit
GE866-QUAD module.
1.2. Audience
This document is intended for Telit customers, who are
integrators, about to implement their applications using our
GE866-QUAD modules.
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]
[e-mail]
[e-mail]
[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.

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1.4. Document Organization
This document contains the following chapters:
Chapter 1: “Introduction” provides a scope for this document,
target audience, contact and support information, and text
conventions.
Chapter 2: “Overview” provides an overview of the document.
Chapter 3: “GE866-QUAD Mechanical Dimensions”
Chapter 4: “GE866-QUAD Module Connections” deals with the pin
out configuration and layout.
Chapter 5: “Hardware Commands” How to operate on the module
via hardware.
Chapter 6: “Power supply” Power supply requirements and
general design rules.
Chapter 7: “Antenna” The antenna connection and board layout
design are the most important parts in the full product
design.
Chapter 8: “Logic Level specifications” Specific values
adopted in the implementation of logic levels for this module.
Chapter 9: “Serial ports” The serial port on the Telit GE866-
QUAD is the core of the interface between the module and OEM
hardware
Chapter 10: “Audio Section overview” Refers to the audio
blocks of the Base Band Chip of the GE866-QUAD Telit Modules.
Chapter 11: “General Purpose I/O” How the general purpose I/O
pads can be configured.
Chapter 12 “DAC and ADC Section” Deals with these two kind of
converters.
Chapter 13: “Mounting the GE866 on your Board” Recommendations
and specifics on how to mount the module on the user’s board.
Chapter 14: “Packing system” Recommendations and specifics on
how the system is packaged.
Chapter 15: “Safety Recommendations” Recommendations and
specifics on how the system is packaged.
Chapter 16: “Document History” Holds all document changes

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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.
1.6. Related Documents
•Telit GSM/GPRS Family Software User Guide, 1vv0300784
•Audio settings application note , 80000NT10007a
•Digital Voice Interface Application Note, 80000NT10004a
•GE866-QUAD Product description, 80416ST10122A
•SIM Holder Design Guides, 80000NT10001a
•AT Commands Reference Guide, 80000ST10025a
•Telit EVK2 User Guide, 1vv0300704