Telit Wireless Solutions LN940 WWAN M.2 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:
 [email protected]
 [email protected]
 [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

USIM Off-board USIM
connector Supported
RX Diversity ALL LTE and UMTS
Bands Supported
GNSS GPS: L1
(1575.42MHz)
GLONASS: L1
(1602MHz)
Beidou
(1561.098MHz)
Data Service 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)
Duplex
Mode
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
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
20 800 832-862 791 – 821 FDD
21 1500 1477.9-
1462.9
1495.9-
1510.9
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
Frequency
(Mhz)
Uplink
Frequency
UE Receive
(Mhz)
Downlink
Frequency
UE Receive
(Mhz)
Duplex
Mode
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
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 Carrier 2CC DL CA Combinations
North America AT&T, VZW,
Sprint, TMO
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 3CC DL CA Combinations
North America AT&T, VZW,
Sprint, TMO
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
Korea SKT, KT,
LGU+
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
Japan KDDI,
Docomo,
Softbank
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# I 1.8V/3.3V
7 USB_D+ IO
8 W_DISABLE1# I 3.3V
9 USB_D- IO
10 LED# O Open Drain,
Active
Low@40mA,
indicating LED
ON
11 GND
12 SLOT KEY
13 SLOT KEY

14 SLOT KEY
15 SLOT KEY
16 SLOT KEY
17 SLOT KEY
18 SLOT KEY
19 SLOT KEY
20 GPIO_5 AUDIO_0 IO 1.8V
21 CONFIG_0 O
22 GPIO_6 AUDIO_1 IO 1.8V
23 GPIO_3 WoWWAN# O 1.8V
24 GPIO_7 AUDIO_2 IO 1.8V
25 Dynamic Power Reduction I 3.3V
26 W_DISABLE2# I 3.3V
27 GND Pin
28 GPIO_8 AUDIO_3 IO 1.8V
29 USB 3.0 TX- O
30 UIM_Reset O
31 USB 3.0 TX+ O
32 UIM_CLK O
33 GND Pin

34 UIM_DATA IO
35 USB 3.0 RX- I
36 UIM_PWR Pout
37 USB 3.0 RX+ I
38 Not Connected
39 GND Pin
40 GNSS_SCL I/O Reserved
41 PETn0 Reserved,
Disabled by
Default
42 GPIO_1 GNSS_SDA Reserved
43 PETp0 Reserved,
Disabled by
Default
44 GPIO_2 GNSS_IRQ Reserved
45 GND
46 GPIO_3 SYSCLK Reserved
47 PERn0 Reserved,
Disabled by
Default
48 GPIO_4 TX_BLANKING
49 PERp0 Reserved,
Disabled by
Default
50 PERST# Reserved,
Disabled by
Default

51 GND
52 CLKREQ# Reserved,
Disabled by
Default
53 REFCLKN Reserved,
Disabled by
Default
54 PEWAKE# Reserved,
Disabled by
Default
55 REFCLKP Reserved,
Disabled by
Default
56 MIPI_CLK
57 GND
58 MIPI_DATA
59 ANTCTL0 O
60 COEX3 IO
61 ANTCTL1 O
62 COEX_RXD I
63 ANTCTL2 O
64 COEX_TXD O
65 ANTCTL3 O
66 SIM_DETECT I
67 RESET# I