Telit Wireless Solutions UL865N3G Installation manual

UL865-N3G V2 Hardware User
Guide
1VV0301177 Rev 2– 2015-04-20

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 2 of 70
Mod. 0805 2011-07 Rev.2
APPLICABILITY TABLE
PRODUCT
UL865-N3G V2

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 3 of 70
Mod. 0805 2011-07 Rev.2
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.

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 4 of 70
Mod. 0805 2011-07 Rev.2
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

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 5 of 70
Mod. 0805 2011-07 Rev.2
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
1.7. Document History ......................................... 11
2. Overview .................................................... 12
3. UL865-N3G V2 Mechanical Dimensions .......................... 13
4. UL865-N3G V2 module connections ............................. 14
4.1. PIN-OUT .................................................. 14
4.2. Debug in Production ...................................... 16
4.3. Pin Layout ............................................... 17
5. Hardware Commands ........................................... 18
5.1. Auto-Turning ON the UL865-N3G V2 ......................... 18
5.2. Turning OFF the UL865-N3G V2 ............................. 21
5.3. Resetting the UL865-N3G V2 ............................... 22
5.3.1. Hardware Unconditional restart ............................. 22
6. Power Supply ................................................ 25
6.1. Power Supply Requirements ................................ 25
6.2. Power Consumption ........................................ 26
6.3. General Design Rules ..................................... 26
6.3.1. Electrical Design Guidelines ............................... 26
6.3.2. Thermal Design Guidelines .................................. 30
6.3.3. Power Supply PCB layout Guidelines ......................... 31
7. Radio Section ............................................... 33
7.5. TX Output Power .......................................... 33
7.6. Sensitivity .............................................. 33

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 6 of 70
Mod. 0805 2011-07 Rev.2
7.7. Antenna Requirements ..................................... 33
7.7.1. UL865-N3G V2 Antenna – PCB line Guidelines ................. 34
7.8. PCB Guidelines in case of FCC certification .............. 35
7.8.1. Transmission line design ................................... 35
7.8.2. Transmission line measurements ............................. 36
7.9. Antenna - Installation Guidelines ........................ 38
8. Logic level specifications .................................. 39
8.5. Reset signal ............................................. 40
9. USB Port .................................................... 41
9.1. USB 2.0 HS ............................................... 41
10. SPI Port .................................................... 42
10.5. SPI Connections ........................................ 42
11. Serial Ports ................................................ 43
11.1. MODEM SERIAL PORT 1 .................................... 43
11.2. MODEM SERIAL PORT 2 .................................... 45
11.3. RS232 level translation ................................ 46
12. Audio Section Overview ...................................... 48
13. General Purpose I/O ......................................... 48
13.1. GPIO Logic levels ...................................... 50
13.2. Using a GPIO Pad as INPUT .............................. 51
13.3. Using a GPIO Pad as OUTPUT ............................. 51
13.4. Indication of network service availability ............. 52
13.5. SIMIN detect function .................................. 53
13.6. RTC Bypass out ......................................... 53
13.7. SIM Holder Implementation .............................. 53
14. DAC and ADC section ......................................... 54
14.1. DAC Converter .......................................... 54
14.1.1. Description .............................................. 54
14.1.2. Enabling DAC ............................................. 55
14.1.3. Low Pass Filter Example .................................. 55
14.2. ADC Converter .......................................... 56

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 7 of 70
Mod. 0805 2011-07 Rev.2
14.2.1. Description .............................................. 56
14.2.2. Using ADC Converter ...................................... 56
14.3. VAUX Power Output ...................................... 57
15. Mounting the UL865-N3G V2 on your Board ..................... 58
15.1. General ................................................ 58
15.2. Module finishing & dimensions .......................... 58
15.3. Recommended foot print for the application ............. 59
15.4. Stencil ................................................ 60
15.5. PCB pad design ......................................... 60
15.6. Recommendations for PCB pad dimensions (mm): ........... 61
15.7. Solder paste ........................................... 62
15.8. UL865-N3G V2 Solder reflow ............................. 62
16. Packing system .............................................. 64
16.1. Packing on tray ........................................ 64
16.2. Packing in Reel ........................................ 66
16.3. Moisture sensitivity ................................... 67
17. SAFETY RECOMMANDATIONS ...................................... 68
18. FCC/IC REGULATORY NOTICES ................................... 69

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 8 of 70
Mod. 0805 2011-07 Rev.2
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 UL865-N3G V2 module.
1.2. Audience
This document is intended for Telit customers, who are integrators, about to implement their
applications using our UL865-N3G V2 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:
[e-mail]
[e-mail]
TS-LATI[email protected]
[e-mail]
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.

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 9 of 70
Mod. 0805 2011-07 Rev.2
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: “UL865-N3G V2 Mechanical Dimensions”
Chapter 4: “UL865-N3G V2 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: “GSM/WCDMA Radio Section” 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: “USB ports” The serial port on the Telit UL865-N3G V2 is the core of the interface between
the module and OEM hardware
Chapter 10: “Serial ports” The serial port on the Telit UL865-N3G V2 is the core of the interface
between the module and OEM hardware
Chapter 11: “Audio Section overview”
Chapter 12: “General Purpose I/O” How the general purpose I/O pads can be configured.
Chapter 13 “DAC and ADC Section” Deals with these two kind of converters.
Chapter 14: “Mounting the UL865-N3G V2 on the application board” Recommendations and specifics
on how to mount the module on the user’s board.
Chapter 15: “Packaging system” Recommendations and specifics on how the system is packaged.
Chapter 16: “Conformity Assessment Issues”
Chapter 17: “Safety Recommendations”

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved. Page 10 of 70
Mod. 0805 2011-07 Rev.2
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
 Digital Voice Interface Application Note 80000NT10050A
 SPI Port Application Note 80000NT10053A
 SIM Holder Design Guides 80000NT10001a
 AT Commands Reference Guide 80378ST10091A
 Telit EVK2 User Guide 1vv0300704