Telit Wireless Solutions LN940 WWAN M.2 User Manual
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Telit Wireless Solutions LN940 WWAN M.2 User Manual

Telit Wireless Solutions LN940 WWAN M.2 User Manual

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LN940 WWAN M.2
Engineering User Guide
Rev. 1.0 – 2017-06-23

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Summary of Contents for Telit Wireless Solutions LN940 WWAN M.2

  • Page 1 LN940 WWAN M.2 Engineering User Guide Rev. 1.0 – 2017-06-23...

  • Page 2: Notice

    SPECIFICATIONS ARE 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 reliable.

  • Page 3: Usage And Disclosure Restrictions

    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.

  • Page 5: Applicability Table

    APPLICABILITY TABLE PRODUCTS LN940A11 LN940A9...

  • Page 7: Table Of Contents

    Contents NOTICE COPYRIGHTS ....................2 COMPUTER SOFTWARE COPYRIGHTS ............2 USAGE AND DISCLOSURE RESTRICTIONS ..........3 APPLICABILITY TABLE ................5 CONTENTS ....................7 INTRODUCTION................9 Scope .................... 9 Audience ..................9 Contact Information, Support ............9 OVERVIEW ................. 10 M.2 Overview ................10 2.1.1.
  • Page 8 Antenna Recommendations ............41 GNSS Sensitivity ................. 42 WWAN CARD TYPE 3042 ............43 Mechanical Dimension ..............43 LN940 WWAN M.2 Module Assembly ......... 44 Antenna Connector Assembly ............. 45 Antenna Connector Locations ............. 46 SAFETY RECOMMENDATIONS ..........48 READ CAREFULLY ..............48 ACRONYMS ................

  • Page 9: Introduction

    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.

  • Page 10: 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.
  • Page 11 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 LTE CAT 9: 450Mbps DL/50 Mbps LTE CAT 6: 300Mbps DL/50Mbps DC-HSPA+: 42Mbps DL/5.76Mbps HSPA+:...
  • Page 12 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 Frequency Uplink Downlink Duplex BAND (Mhz) Frequency Frequency Mode UE Receive UE Receive (Mhz) (Mhz) 2100 1920-1980...
  • Page 13 814-849 859-894 703-748 758-803 717-728 2300 2305-2315 2350-2360 2600 2570-2620 1900 1880-1920 2300 2300-2400 2500 2496-2690 1700 1710-1780 2110-2200 Table 2.1.1 -2 Supported LN940 UMTS Bands UTRA Frequency Uplink Downlink Duplex BAND (Mhz) Frequency Frequency Mode UE Receive UE Receive (Mhz) (Mhz) 2100...

  • Page 14: Carrier Aggregation

    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.
  • Page 15 Table 2.1.2-1 Three Carrier Component Carrier Aggregation Configurations Carrier Region 3CC DL CA Combinations North America AT&T, VZW, B2+ B2+ B2, B2 + B2 + B12, B2 Sprint, TMO +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 +...

  • Page 16: Wwan Module - System Block Diagram

    M.2 WWAN Module – System Block Diagram Figure 2.2-1 System Block Diagram...

  • Page 17: Host Interface Signals

    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 Signal Name Description...
  • Page 18 SLOT KEY SLOT KEY SLOT KEY SLOT KEY SLOT KEY SLOT KEY GPIO_5 AUDIO_0 1.8V CONFIG_0 GPIO_6 AUDIO_1 1.8V GPIO_3 WoWWAN# 1.8V GPIO_7 AUDIO_2 1.8V Dynamic Power Reduction 3.3V W_DISABLE2# 3.3V GPIO_8 AUDIO_3 1.8V USB 3.0 TX- UIM_Reset USB 3.0 TX+ UIM_CLK...
  • Page 19 UIM_DATA USB 3.0 RX- UIM_PWR Pout USB 3.0 RX+ Not Connected GNSS_SCL Reserved PETn0 Reserved, Disabled by Default GPIO_1 GNSS_SDA Reserved PETp0 Reserved, Disabled by Default GPIO_2 GNSS_IRQ Reserved GPIO_3 SYSCLK Reserved PERn0 Reserved, Disabled by Default GPIO_4 TX_BLANKING PERp0 Reserved, Disabled by Default...
  • Page 20 CLKREQ# Reserved, Disabled by Default REFCLKN Reserved, Disabled by Default PEWAKE# Reserved, Disabled by Default REFCLKP Reserved, Disabled by Default MIPI_CLK MIPI_DATA ANTCTL0 COEX3 ANTCTL1 COEX_RXD ANTCTL2 COEX_TXD ANTCTL3 SIM_DETECT RESET#...
  • Page 21 Not Connected CONFIG_1 Power Supply 3.3V Power Supply Power Supply CONFIG_2...

  • Page 22: Wwan M.2 Interface Details

    3. WWAN M.2 INTERFACE DETAILS Interprocessor Communications (IPC) The LN940 WWAN M.2 Module provides two interfaces on the M.2 host interfaces that support Interprocessor Communications (IPC). 3.1.1. USB 2.0 High-Speed The USB controller is compliant to USB2.0 specification and with the Link Power Management (LPM).

  • Page 23: Usb 3.0 Super-Speed

    3.1.2. USB 3.0 Super-Speed The USB controller of LN940 WWAN M.2 Module is also compliant with USB3.0 specification. It enables better transfer speed with improved bus use, duplex mode, than USB2.0. Table 3.1.2-1 USB 3.0 Interface Signal Name Voltage Description...

  • Page 24: Usim Interface

    Logic 1 state and Logic 0 state. The falling edge shall indicate the removal of SIM card. c. This signal shall treat the rising or falling edge or actual logic state as an interrupt. Once triggered the LN940 WWAN M.2 module shall act accordingly.
  • Page 25 (4) The UIM_PWR shall be turn ON 2 seconds after the SIM_DETECT pin is asserted to High. This mechanism is to ensure the power is not turned ON before the SIM card is not seated well. Figure 3.2.1 USIM Design Recommendation...

  • Page 26: System Control Interface

    System Control Interface The system control interface is used to control the power-up and reset of the WWAN M.2 Module. There are additional control signals to disable the radio, drive the LED as status indicator, an output to wake up the host and an input trigger for body SAR 3.3.1.

  • Page 27: Host Radio Disable Operation

    The design to the host is recommended as below, 3.3.2. Host Radio Disable Operation Two additional control signals are used to disable the radio on the module. The signal W_DISABLE#1 is allowed to disable the WWAN of and the signal W_DISABLE#2 is allowed to disable the GPS of LN940 M.2 Module in order to meet public safety regulations or when otherwise desired implementation of this signal is required for systems and all add-in card that implement frequency...
  • Page 28 Table 3.3.2 Host Radio Disable Interface Signal Name Voltage Description Level W_DISABLE#1 3.3V This is an “Active Low” pin to disable the WWAN radio of LN940 M.2 Module. When the state is “Low” the M.2 module radio can be disabled and made incapable of transmitting.

  • Page 29: Led Interface - Status Indicator

    3.3.3. LED Interface – Status Indicator The LED signal is provided to enable add-in card to provide the RF status indications to users via system-provided indicators. Table 3.3.3 Status LED Interface Signal Name Voltage Description Level LED#1 (OD) 3.3V This is an “Active Low” output signal intended to drive system-mounted LED indicators.

  • Page 30: Wake On Wwan Signal

    3.3.4. Wake on WWAN Signal An output signal is available to wake the host platform, WAKE_WWAN#. This is an active, open drain output, requiring a pull-up resister on the host side. Table 3.3.4 Wake on WWAN Interface Signal Name Voltage Description Level Wake_WWAN#(OD)

  • Page 31: Dynamic Power Reduction

    In conjunction with the DPR signal a full power control tool is available to the host to adjust the RF transmit power level of LN940 WWAN M.2 Module. The DPR pin has 10Kohm pull-up resister on the LN940 WWAN M.2 Module.

  • Page 32: Tunable Antenna Interface

    Figure 3.3.5 DPR on host design recommendation Tunable Antenna Interface In the notebook platforms since the WWAN antennas are usually located on the top of the lid there is a long RF mini-coax cable that can be up to 60cm long between the antennas and the WWAN M.2 module.

  • Page 33: In-Device Coexistence Interface

    Alternatively two MIPI signals are also available to configure the external antenna tuner. Table 3.4-1 Tunable Antenna MIPI Interface Signal Name Voltage Description Level MIPI_CLK 1.8V MIPI Clock MIPI_DATA 1.8V MIPI Data The SW tool is available configure the table of antenna tuner parameters. In-Device Coexistence Interface As more and more radios are added to notebook and tablet the source of RF interference increases significantly as multiple radios will have overlapping...

  • Page 34: Power Supply Interface

    Power Supply Interface The WWAN M.2 Module requires the host to provide the 3.3V power source. The 3.3V power and ground pins are listed in Table Table 3.6 Power supply Interface Power Pins Description 2, 4, 70,72, 74 3.3V 3, 5, 11, 27, 33, 39, 45, 51, 57, 71, Ground Configuration Pins There are 4 Configuration pins on the WWAN M.2 Module to assist the host...

  • Page 35: Antenna Interface

    Antenna Interface The M.2 module has two antenna connectors to support a Tx/PRx antenna and a secondary antenna that will be multiplexed between the diversity receiver and GNSS receiver. The antenna signals are not available at the host interface but have their own connectors.

  • Page 36: Opertaing Environment

    4. OPERTAING ENVIRONMENT Table 6 Recommended Operating Conditions Parameter Min. Typical Max. Storage Temperature -30 °C 25 °C 85 °C Recommended Operating Temperature -10 °C 25 °C 55 °C (3GPP Compliant) Restricted Operating Temperature (*1) -20 °C 25 °C 70 °C (Operational, non-3GPP Compliant) -40 °C 85 °C...

  • Page 37: Power Delivery Requirements

    5. POWER DELIVERY REQUIREMENTS Electrical Parameters (3.3 V Power Supply) M.2 Module utilizes a single regulated power rail of 3.3V provided by the host platform. Parameter Min. Typical Max. Units Operating 3.135⃰ Voltage (*) The minimum voltage supplied to M.2 module by the host platform has to be 3.135 V.

  • Page 38: Power Consumption

    Power Consumption < ALL data below is reference only, to be updated in July> USE Scenario Sample Test Targeted Value Targeted Value (Typical) (Max) WCDMA in Suspend mode <5mA WCDMA (Tx=24dBm) <800mA <1100mA LTE in Suspend mode <5mA LTE (16QAM) Tx=23 dBm <900mA <1200mA...

  • Page 39: Other Requirements

    6. OTHER REQUIREMENTS Conducted Transmit Power Table 8-4 Maximum Conducted Transmit Power (ACLR > 5dB margin @room temperature) Condition Operating Bands Tx Design Tx Manufacturing Requirement Requirement E-UTRA 1,2,3(9),4,5,(18/19/26),7/8/ 23dBm +/- 1dB 23dBm +/- 1dB 12(17)/13/20/21/25/28/29/30/ Class 3 38/39/40/41 W-CDMA 1,2,4,5,8 23.5dBm +/-1dB 23.5dBm +/-1dB...
  • Page 40 -102 -98.5 -101.5 -101 -100 -102 -98.5 -101 -101 -96.5 -100 -97.5 -100.5 -100 -100 -97.5 -100 Table 8-5-2 Minimum Conducted Receiver Sensitivity (WCDMA) WCDMA Band PRx (dBm) DRx (dBm) MIMO Combined (dBm) -109 -109 -112 -109 -109 -112 -109 -109 -112 -109...

  • Page 41: Antenna Recommendations

    LN940 WWAN M.2 module by flexible RF coaxial cables. Type of two RF antenna receptacles of LN940 WWAN M.2 module is MHF – MAIN port is for primary transmitter and receiver and AUX port is for diversity receiver and GNSS.

  • Page 42: Gnss Sensitivity

    GNSS Sensitivity Table 8-7 Minimum Conducted Receiver Sensitivity (GNSS) GNSS Design Requirement (dBm) Tracking Sensitivity -152...

  • Page 43: Wwan Card Type 3042

    7. WWAN CARD TYPE 3042 Mechanical Dimension LN940 WWAN M.2 module is compatible with the PCI Express M.2 specification. Figure Mechanical Dimension...

  • Page 44: Ln940 Wwan M.2 Module Assembly

    LN940 WWAN M.2 Module Assembly Figure Stackup Mid-Line (In-Line) Single Sided Module (1) 2.4mm maximum above motherboard (2) Cut area of main board under M.2 module (3) Need to ad thermal pad between M.2 Module and mechanical component for thermal dissipation...

  • Page 45: Antenna Connector Assembly

    Antenna Connector Assembly (1) Mating the connector vertically as much as possible. Adjusting the mating axis of plug and receptable. Do NOT slant mate. (2) Unmating: In case of unmating by pulling gadget (see below). Pulling plug in vertical direction. (3) Pulling Gadget is shown below (Unit: mm)

  • Page 46: Antenna Connector Locations

    Antenna Connector Locations Figure Antenna Connector Location Table Antenna Connector Assignment Antenna Interface WWAN Main TX/RX WWAN AUX RX/GNSS...
  • Page 47 Figure. RF Connector Specification Figure RF Receptacles Specification...

  • Page 48: Safety Recommendations

    8. SAFETY RECOMMENDATIONS READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required. The use of this product may be dangerous and has to be avoided in the following areas:  Where it can interfere with other electronic devices in environments such as hospitals, airports, aircrafts, etc.

  • Page 49: Acronyms

    9. ACRONYMS Next Generation Form Factor NGFF...

  • Page 51: Document History

    DOCUMENT HISTORY Revision Date Changes 2017-01-13 First issue (Preliminary) 2015-06-26 RF sensitivity updated, CA configurations updated...
  • Page 52 Federal Communication Commission Interference Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 53 antenna and users, and The transmitter module may not be co-located with any other transmitter or antenna. As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed IMPORTANT NOTE: In the event that these conditions can not be met (for...
  • Page 54 (2) ce dispositif doit accepter tout brouillage reç u, y compris un brouillage susceptible de provoquer un fonctionnement indé sirable. Radiation Exposure Statement: This equipment complies with ISED radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator &...
  • Page 55 the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate Canada authorization. NOTE IMPORTANTE: Dans le cas où ces conditions ne peuvent ê tre satisfaites (par exemple pour certaines configurations d'ordinateur portable ou de certaines co-localisation avec un autre é...

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