Telit Communications S p A LN940A User Manual

LN940 WWAN M.2

Engineering User Guide

Rev. 1.0 – 2017-06-23

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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:

 [e-mail]
 [e-mail]
 [e-mail]
 [e-mail]

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

Modem Chipset Qualcomm MDM9240

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

LTE Category Cat6/Cat9 and up to

Physical PCI Express M.2 Module

Mechanical M2. Card Type 3042

Weight 6 grams

Description

Cat11 @60Mhz

Slot B
Pin counts : 75

Additional

Information

DL CA

30mm x 42mm x

2.3mm

Max Height=2.38mm

(0.08mm PCB

tolerance added)

Operating Voltage 3.135V ~ 4.4V; Single

VCC Supply

Operating

Temperature

-40°C to +85 °C

Please refer to details

in Chapter 7

USIM Off-board USIM

connector Supported

RX Diversity

GNSS

Data Service

ALL LTE and UMTS
Bands Supported

GPS: L1
(1575.42MHz)

GLONASS: L1
(1602MHz)

Beidou
(1561.098MHz)

LTE CAT 11:
600Mbps DL/50Mbps

UL

LTE CAT 9:
450Mbps DL/50 Mbps

UL

LTE CAT 6:
300Mbps DL/50Mbps

UL

DC-HSPA+:
42Mbps DL/5.76Mbps

UL
HSPA+:
21Mbps DL/5.76Mbps

UL

WCDMA PS
384Kbps DL/384Kbps

UL

WCDMA CS
64Kbps DL/64Kbps UL

There are 22 LTE and 7 UMTS bands supported by Telit LN940 WWAN M.2
Module.

Table 2.1.1 -2 Supported LN940 LTE Bands

E-UTRA

BAND

Frequency

(Mhz)

Uplink

Frequency

UE Receive

(Mhz)

Downlink

Frequency

UE Receive

(Mhz)

1 2100 1920-1980 2110-2170 FDD

2 1900 1850-1910 1930-1990 FDD

3 1800 1710-1785 1805-1880 FDD

4 1700 1710-1755 2110-2155 FDD

5 850 824-849 869-894 FDD

7 2600 2500-2570 2620-2690 FDD

8 900 880-915 925-960 FDD

Duplex

Mode

12 700 699-716 729-746 FDD

13 700 777-787 746-756 FDD

17 700 704-716 734-746 FDD

18 850 815-830 860-875 FDD

19 850 830-845 875-890 FDD

20 800 832-862

21 1500 1477.9-

1462.9

791 – 821

1495.9-

1510.9

FDD

FDD

25 1900 1850-1915 1930-1995 FDD

26 850 814-849 859-894 FDD

28 700 703-748 758-803 FDD

29 700 N/A 717-728 FDD

30 2300 2305-2315 2350-2360 FDD

38 2600 2570-2620 TDD

39 1900 1880-1920 TDD

40 2300 2300-2400 TDD

41 2500 2496-2690 TDD

66 1700 1710-1780 2110-2200 FDD

Table 2.1.1 -2 Supported LN940 UMTS Bands

UTRA

BAND

1 2100 1920-1980 2110-2170 FDD

2 1900 1850-1910 1930-1990 FDD

4 1700 1710-1755 2110-2155 FDD

5 850 824-849 869-894 FDD

6 800 830-840 875-885 FDD

Frequency

(Mhz)

Uplink

Frequency

UE Receive

(Mhz)

Downlink

Frequency

UE Receive

(Mhz)

Duplex

Mode

8 900 880-915 925-960 FDD

19 850 830-845 875-890 FDD

2.1.2. Carrier Aggregation

With the LTE-A carrier aggregation and high order modulation scheme Telit
LN940 WWAN M.2 module is designed to run on the world’s fastest LTE
networks. In the following tables there are seventy 2CC and sixty-four 3CC
configurations shown in inter-band,and intra-band CA types in single duplex
(FDD only) nd in hybrid duplex (FDD+TDD) modes.

Table 2.1.2-1 Two Carrier Component Carrier Aggregation

Configurations (Downlink)

Region

North America AT&T, VZW,

Carrier

Sprint, TMO

2CC DL CA Combinations

B2+ B2, B2+ B4, B2 + B5, B2+
B12, B2 + B13, B2 +B17, B2 + B29,
B2 + B30, B4+ B4, B4 + B5, B4
+ B7, B4+B12, B4 + B13, B4 +
B17,B4+ B29, B4 + B30, B5+B30,
B12 + B12, B12 + B30, B25
+ B25, B25 + B26, B25+B41, B26 +
B41, B29+B30, B41+B41, B2+B66,
B5+B66, B12+B66, B13+B66,
B66+B66, B29+B66, B30+B66

Korea SKT, KT, LGU+ B1+B5, B1+B3, B1+B7, B3+B5,

B3+B8, B5+ B7, B3+B7, B7+B7

Japan KDDI, Docomo,

Softbank

B1+B3, B1+B8, B1+B18, B1+B19,
B1+B26, B3+B19, B19+B21,
B41+B41

EU Various B1+B20, B3+B3, B3+B7, B3+ B20,

B3+ B38, B7+B7, B7+B8, B7+B20,
B38+B38

China CMCC, CTCC,

CUCC

B1+B3, B1+B26, B3+B26, B3+B40,
B39+B39, B39+B41, B40+B40,
B41+B41

Australia/SEA/LA Telstra, Optus B1+B3, B1+ B7, B1 + B28, B3+ B8,

B3 + B28, B5 + B7, B5+ B40, B7 +
B8, B7 +B28

Table 2.1.2-1 Three Carrier Component Carrier Aggregation

Configurations

Region

Carrier

North America AT&T, VZW,

Sprint, TMO

Korea SKT, KT,

LGU+

Japan KDDI,

Docomo,
Softbank

3CC DL CA Combinations

B2+ B2+ B2, B2 + B2 + B12, B2
+B2+B13, B2+B4+B4, B2+B4+B5,
B2+B4 +B12, B2+B4+B13, B2+ B4 +
B29, B2+ B5+B30, B2+B12+B12,
B2+B12+ B30, B2+B29+B30,
B4+B4+B5, B4+B4+B7,
B4+B4+B12, B4+B4 +B13, B4+ B5 +
B30, B4+B12+B12, B4+B12+B30,
B4+B29+ B30, B25+B26+B41,
B25+B41+B41, B26+B41+B41,
B41+B41+B41, B13+B66+B2,
B12+B66+B66, B13+B66+B66,
B5+B66+B2, B5+B66+B66,
B66+B66+B2, B66+B66+B66

B1+B3+B5, B1+B7+B7, B1+B3+B8,
B1+B5+B7, B3+B5+B7,B1+B7+B28,
B3+B7+B8, B3+B7+B7, B5+B7+B7

B1+B3+B19, B1+B3+B28,
B1+B41+B41, B41+B41+B41

EU Various B1+B3+B20, B1+B7+B20, B3+B3+

B7, B3+B3+B20, B3+B7+B20,
B3+B7+B7,
B3+B20+B38,B3+B38+B38

China CMCC, CTCC,

CUCC

B1+B3+B3, B1+B3+B26,
B1+B3+B41, B3+B40+B40,
B39+B39+B41, B39+B41+B41,
B40+B40+B40, B41+B41+B41

Australia/SEA/LA Telstra, Optus B3+B3+B5, B3+B3+B8, B3+B7+B7,

B3+B7+B28, B7+B7+B28,
B3+B40+B40, B28+B40+B40,
B40+B40+B40

M.2 WWAN Module – System Block Diagram

Figure 2.2-1 System Block Diagram

Host Interface Signals

Telit LN940 WWAN M.2 is the PCIe M.2 standard compliant 3042 Slot B
module. The main function and basic requirement of 75 pins are introduced
in the following table.

Table 2.3-1 Host Interface Summary

Pin Signal Name I/O Description Supply

1 CONFIG_3 O

2 Power Supply I 3.3V

3 GND

4 Power Supply I 3.3V

5 GND

6 FULL_CARD_POWER_OFF#

7 USB_D+ IO

8 W_DISABLE1# I 3.3V

9 USB_D- IO

10 LED# O Open Drain,

11 GND

I 1.8V/3.3V

Active

Low@40mA,

indicating LED

ON

12 SLOT KEY

13 SLOT KEY