Telit Wireless Solutions LN940 WWAN M.2 Manuel utilisateur

LN940 WWAN M.2

Engineering User Guide

Rev. 1.0 – 2017-06-23

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

NOTICE

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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 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

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changes. Telit does not assume any liability arising out of the application or use

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USAGE AND DISCLOSURE RESTRICTIONS

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The software described in this document is the property of Telit and its licensors.

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Components, units, or third-party products used in the product described herein

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as on-line control equipment in the following hazardous environments requiring

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LICENSE AND THE LEGAL TERMS APPLICABLE TO ANY SEPARATE FILES,

EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

APPLICABILITY TABLE

PRODUCTS

LN940A11

LN940A9

Contents

NOTICE 2

COPYRIGHTS ................................................................................................ 2

COMPUTER SOFTWARE COPYRIGHTS ...................................................... 2

USAGE AND DISCLOSURE RESTRICTIONS ............................................... 3

APPLICABILITY TABLE ................................................................................ 5

CONTENTS .................................................................................................... 7

1. INTRODUCTION........................................................................... 9

Scope ............................................................................................ 9

Audience ....................................................................................... 9

Contact Information, Support ........................................................ 9

2. OVERVIEW ................................................................................. 10

M.2 Overview .............................................................................. 10

2.1.1. General Features ........................................................................ 10

2.1.2. Carrier Aggregation ..................................................................... 14

M.2 WWAN Module – System Block Diagram ............................. 16

Host Interface Signals ................................................................. 17

3. WWAN M.2 INTERFACE DETAILS ............................................ 22

Interprocessor Communications (IPC) ......................................... 22

3.1.1. USB 2.0 High-Speed ................................................................... 22

3.1.2. USB 3.0 Super-Speed ................................................................. 23

USIM Interface ............................................................................ 24

3.2.1. SIM Design Recommendations ................................................... 24

System Control Interface ............................................................. 26

3.3.1. Power On & Reset ...................................................................... 26

3.3.2. Host Radio Disable Operation ..................................................... 27

3.3.3. LED Interface – Status Indicator .................................................. 29

3.3.4. Wake on WWAN Signal .............................................................. 30

3.3.5. Dynamic Power Reduction .......................................................... 31

Tunable Antenna Interface .......................................................... 32

In-Device Coexistence Interface .................................................. 33

Power Supply Interface ............................................................... 34

Configuration Pins ....................................................................... 34

Antenna Interface ........................................................................ 35

4. OPERTAING ENVIRONMENT .................................................... 36

5. POWER DELIVERY REQUIREMENTS ...................................... 37

Electrical Parameters (3.3 V Power Supply) ................................ 37

Power Consumption .................................................................... 38

6. OTHER REQUIREMENTS .......................................................... 39

Conducted Transmit Power ......................................................... 39

Receiver Sensitivity ..................................................................... 39

Antenna Recommendations ........................................................ 41

GNSS Sensitivity ......................................................................... 42

7. WWAN CARD TYPE 3042 .......................................................... 43

Mechanical Dimension ................................................................ 43

LN940 WWAN M.2 Module Assembly ......................................... 44

Antenna Connector Assembly ..................................................... 45

Antenna Connector Locations ..................................................... 46

8. SAFETY RECOMMENDATIONS ................................................ 48

READ CAREFULLY .................................................................... 48

9. ACRONYMS ............................................................................... 49

10. DOCUMENT HISTORY............................................................... 51

1. INTRODUCTION

Scope

The document covers the technical features of and design guideline for Telit

LN940 WWAN M.2 Module. It also indicates application interface, hardware,

software, reliability and mechanical specification.

Audience

This document is intended to review by engineering designers, and product

managers.

Contact Information, Support

For general contact, technical support services, technical questions and report

documentation errors contact Telit Technical Support at:

 [email protected]

 [email protected]m

Alternatively, use:

http://www.telit.com/support

For detailed information about where you can buy the Telit modules or for

recommendations on accessories and components visit:

http://www.telit.com

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.

2. OVERVIEW

This chapter provides an overview of standard features of Telit LN940 WWAN

M.2 Module.

M.2 Overview

LN940 WWAN M.2 module is the next generation cellular LTE product,

providing the connectivity on the world's fastest LTE networks in the extensive

coverage of worldwide LTE bands, with unprecedented network performance.

The WWAN M.2 module is in compliance of 3GPP releases 9, 10, 11, and 12,

in which the part of LTE advance carrier aggregation (2x and 3x in the

downlink) and high order modulation (up to 256 QAM) are supported.

2.1.1. General Features

Table 2.1.1-1 LN940 Feature Summary

Feature Description Additional

Information

Modem Chipset Qualcomm MDM9240

Carrier Aggregation 2CC & 3CC DL CA Up to inter-band 3CC

DL CA

LTE Category Cat6/Cat9 and up to

Cat11 @60Mhz

Physical PCI Express M.2 Module

Mechanical M2. Card Type 3042

Slot B

Pin counts : 75

30mm x 42mm x

2.3mm

Max Height=2.38mm

(0.08mm PCB

tolerance added)

Weight 6 grams

Operating Voltage 3.135V ~ 4.4V; Single

VCC Supply

Operating

Temperature

-40°C to +85 °C Please refer to details

in Chapter 7

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