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Telit LM940 LTE CAT-11, GPS, mPCIe

Article Number: 10637
Manufacturer: Telit
Supplier number: LM940ABW411T0W3000

The Telit LM940 LTE CAT-11, GPS, miniPCIe data-card deliver High speed data rates on Advanced LTE and offer a cellular connection for future products in Router and gateway environment. miniPCIe form factor data-card is particularly well-suited for products with very high throughput requirements such as routers mobile gateways and access points, to provide the most advanced 4G LTE connectivity, ensuring seamless connectivity to the end users.
The LM940 mCPIe module achieves download rates up to 600 Mbps through support of 3GPP release 11 LTE Carrier Aggregation. LM940 mPCie data card supports the various RF frequency bands and band combinations deployed worldwide with MIMO capabilities and latest generation carrier aggregation support.

Key Benefits:
- Standard Mini PCIe Data-card form factor.
- Take advantage of Advanced LTE technology networks delivering LTE Cat 11 throughput up to 600 Mbps in DLand 75 Mbps in UL.
- Full GNSS support –GPS, GLONASS, Galileo, Beidou.
- Increased connectivity performance with Carrier Aggregarion 3CA, MIMO and 256 QAM.

Quantity Sample Price
≥ 1 $238.90
≥ 1 €198.30

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LTE Region
Europe
North America
Asia
Australia
South America
China
Africa
LTE Bands
B30 (2300 WCS)
B41 (TDD 2500)
B29 (US 700de Lower)
B28 (700 APAC)
B26 (US 850 Ext)
B40 (TDD 2300)
B38 (TDD 2600)
B25 (1900)
B5 (850)
B20 (800DD)
B17 (700bc)
B13 (700c)
B12 (700ac)
B8 (900)
B7 (2600)
B4 (AWS)
B3 (1800)
B2 (1900)
B1 (2100)
B66 (AWS-3)
UMTS Bands
B1 (2100)
B2 (1900)
B8 (900)
B4 (1700)
B5 (850)
Manufacturer
Telit
Form Factor
mPCIe - full size
Technology
LTE - cat 11
Antenna Interface
IPEX U.FL
Size
51 x 30 x 2.7mm
Carrier Certification
AT&T
Verizon
Sprint
GPS
Yes
GNSS technology
GPS
GLONASS
BeiDou
Galileo
MIMO (Multiple-Input Multiple-Output)
Yes
GPIO
Yes
Max DL Speed
600 Mbps
Max UL Speed
75 Mbps
Chipset
Qualcomm
Driver Support
Windows 7
Windows Vista
Linux
Android
Windows
Windows 8
Windows CE
Windows 8.1
Windows 10
Interface
USB 3.0
USB 2.0
I2C
Operating Temperature Range
-40 °C – 85 °C
Certification
REACH
IC
PTCRB
GCF
RoHS
CE
FCC
CE RED
Voice Call Support
No
Voice call interface
Digital PCM signal input/output in socket
GNSS antenna support
Passive
Active 3.3VDC
Active
Active 3.05VDC
Extended Operating Temperature Range
-40 °C – 85 °C
SIM interface
Through miniPCIe connector
Dual SIM interface
Technical details:
Currently pre-loaded with firmware 24.01.551 EU only Carrier Aggregation combinations:
1A+3A, 1A+7A, 1A+8A, 1A+20A, 1A+28A, 3A+3A, 3A+7A, 3A+8A, 3A+20A, 3A+28A, 3A+38A, 3A+40A, 7A+7A, 7A+8A, 7A+20A, 7A+28A, 7A+7A, 3C, 7B, 7C, 38C, 40C, 1A+3A+8A, 1A+3A+20A, 1A+3A+28A, 1A+7A+20A, 1A+7A+28A, 1A+3C, 3A+7B 3A+7C, 3C+7A, 3A+7A+8A, 3A+7A+20A, 3A+7A+28A, 3A+3A+8A, 3C+20A, 3A+20A+38A, 3A+38C, 3A+40C, 7B+28A, 7C+28A, 28A+40C, 40D

Please do not set the module in AT#USBCFG=5 on the engineering samples running firmware 24.01.510-B004.
This is the Voice/Audio over USB mode and is currently not supported and will make USB interface not available.

Datasheet for Telit LM940 module.

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Uploaded at
2017-07-12 18:26:40
Last updated
2018-01-18 15:18:28
Version
11.2017
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe

This document describes the QUALCOMM® MSM™ Interface (QMI) architecture and framework. The QMI allows applications on attached Terminal Equipment (TE) devices to access various Services provided by devices based on QUALCOMM’s MSM chipsets and AMSS software.

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Uploaded at
2017-07-13 13:59:21
Last updated
2018-01-18 15:12:54
Version
R1
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe

This document introduces the Telit LM940 module and presents possible and recommended hardware solutions for developing a product based on the LM940 module.

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Uploaded at
2017-07-13 13:54:12
Last updated
2018-01-18 15:11:41
Version
R04
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe

This document is to describe all AT commands implemented on the Telit wireless modules listed on the Applicabilty Table.

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Uploaded at
2017-07-13 13:56:48
Last updated
2018-01-18 15:10:40
Version
(R2_B003)
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe

This document describes LM940 modules software and interface towards host system.

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Uploaded at
2017-07-13 13:50:58
Last updated
2018-01-18 15:09:52
Version
R1
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe

CE-RED Declaration of conformity document for Telit LM940 cellular module.

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Uploaded at
2018-02-27 15:25:26
Last updated
2018-02-27 15:25:26
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe

This Windows based firmware updater applies firmware V.24.01.551 to Telit LM940. It enables LTE bands and carrier aggregation combinations listed bellow:
WCDMA Bands: 1 (2100), 8 (900).
LTE Bands: 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700), 38(TD2600), 40(TD2300).
Carrier Aggregation Combinations:
1A+3A, 1A+7A, 1A+8A, 1A+20A, 1A+28A, 3A+3A, 3A+7A, 3A+8A, 3A+20A, 3A+28A, 3A+38A, 3A+40A, 7A+7A, 7A+8A, 7A+20A, 7A+28A, 7A+7A, 3C, 7B, 7C, 38C, 40C, 1A+3A+8A, 1A+3A+20A, 1A+3A+28A, 1A+7A+20A, 1A+7A+28A, 1A+3C, 3A+7B 3A+7C, 3C+7A, 3A+7A+8A, 3A+7A+20A, 3A+7A+28A, 3A+3A+8A, 3C+20A, 3A+20A+38A, 3A+38C, 3A+40C, 7B+28A, 7C+28A, 28A+40C, 40D

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Uploaded at
2018-01-18 16:54:23
Last updated
2018-02-05 16:21:18
Version
V.24.01.551 Europe Region
Requirements
Microsoft Windows Systems
Telit LM940 Drivers
Related products
Telit LM940 LTE CAT-11, GPS, mPCIe
Question

How to change USB composition mode to Mobile Broadband Interface (MBIM) that is used by Windows 8 and 10 systems for data connectivity and enabling support for the built-in connection manager in Windows?

Solution

This is done by sending AT commands to the Modem or AT serial interfaces that are accepting AT commands and changing the USB endpoint composition:

Sierra Wireless EM74xx, MC74xx series module:
AT!ENTERCND=”A710”
AT!USBCOMP=1,1,100D
AT!RESET

Sierra Wireless EM73xx, MC73xx series module:
AT!ENTERCND=”A710”
AT!UDUSBCOMP=8
AT!RESET

Simcom SIM7xxx series modules:
AT+CUSBPIDSWITCH=9003,1,1
AT+CRESET

ZTE Welink ME3630 series:
AT+ZSWITCH=8
AT+ZRST

Telit LM940:
AT#USBCFG=2
AT#REBOOT

Telit LE910x V2:
AT#USBCFG=3
AT#REBOOT

On Huawei modules the USB mode changing is done automatically by the Windows drivers and otherwise defaults to the modules standard endpoint interfaces.

Question

How to collect initial diagnostics data and logs for Telit cellular modules needed when requesting Techship technical support?

Solution

Solution: In order to troubleshoot and solve a technical problem, we ask you to please provide information about your system and logs from the related Telit module when creating a technical support ticket.

Problem description of what exact problem is and in what precise situations present.

Describe the host system:
-Hardware (system board, peripherals...)
-Operating system and detailed versions (E.g. Windows, Linux release, kernel...)
-Drivers and driver versions

Identify the precise details of cellular module found on label:
-Model
-SKU/BOM or P/N code
(For RMA returns the IMEI number is required also)

The logs from module firmware can be acquired by accessing one of the USB enumerated serial (COM) interfaces accepting AT commands. (In Windows this is generally modem devices or AT commands serial interfaces). Send the following commands to module and capture the text output and include them when creating the the technical support ticket.

AT
Verbose error reporting:
AT+CMEE=2
Module model:
AT+CGMM
Firmware version:
AT+CGMR
IMEI Code:
AT+CGSN
USB endpoint configuration:
AT#USBCFG?
Serial port configuration:
AT#PORTCFG?
Operational mode:
AT+CFUN?
Selected network access techniques:
AT+WS46?
List network operator info:
AT+COPS?
Network registration status:
AT+CREG=2
AT+CREG?
AT+CGREG?
Signal strength:
AT+CSQ
Last serving cell network information:
AT#SERVINFO
Current network status:
AT#RFSTS
List APN details:
AT+CGDCONT?
Attach UE to default PDP Context:
AT+CGATT=1
List default data connection details:
AT+CGCONTRDP=1
List IP addresses:
AT+CGPADDR=


The support ticket can be created after login at: https://techship.com/technical_support/

Images
Telit logo
Question

Why should we use USB3 instead of USB2 as host system data interface if the cellular module can support both?

Solution

Cellular modules supporting higher data throughput rates like LTE Advanced, category 6 and above (300Mbps downlink and 50Mbps uplink) often support both USB3 interface as well as USB2 interface towards the host system.

It is recommended to implement and use the USB3 data interface rather than the older USB2 interface on these modules between host system and the cellular module. This because USB3 can support around 10 times higher data throughput rate compared to USB2 and avoid a possible bottleneck / limitation in the data interface between host and cellular module.

If a miniPCIe based cellular module implementing USB3 are used, please verify that conflicts don't occur towards your hosts miniPCIe socket, as the USB3 interface is not implemented by default in the miniPCIe standard and therefore signal collisions can happen between USB3 pins and PCIe data interface pins situated on same locations. Refer to the cellular module hardware guides and host system hardware guides to verify this.

Question

How can we establish data connection for cellular modules in Windows 8 and Windows 10 systems?

Solution

Microsoft Windows desktop versions starting from Windows 8 and newer have built in data connection manager for WWAN, Wifi etc. that can be used to configure, control and establish the data connection of cellular module that support MBIM interface, which most cellular modules do.

The connection managers settings and controls can be found and accessed on Windows desktop start menu through the network icon (see picture).

The Cellular tab can be found in Windows system settings and if needed the connection APN details can be manually entered through "Advanced options".

Images
Windows 10 connection settings Windows 10 connection manager

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