Telit Wireless Solutions LN920 Hardware Design Manual
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Telit Wireless Solutions LN920 Hardware Design Manual

Telit Wireless Solutions LN920 Hardware Design Manual

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LN920
Hardware Design Guide
1VV0301730 Rev. 17 – 2024-07-11
Telit Technical Documentation

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Summary of Contents for Telit Wireless Solutions LN920

  • Page 1 LN920 Hardware Design Guide 1VV0301730 Rev. 17 – 2024-07-11 Telit Technical Documentation...

  • Page 2: Applicability Table

    LN920 Hardware Design Guide APPLICABILITY TABLE PRODUCTS PART NUMBER LN920A12-WW LN920A12xxx LN920A6-WW LN920A6xxx LN920A13-WW LN920A13xxx LN920A6-NA LN920A6xxx 1VV0301730 Rev. 17 Page 2 of 83 2024-07-11...

  • Page 3: Table Of Contents

    LN920 Hardware Design Guide CONTENTS APPLICABILITY TABLE CONTENTS INTRODUCTION Scope Audience Contact Information, Support Symbol Conventions Related Documents GENERAL PRODUCT DESCRIPTION Overview Product Variants and Frequency Bands Main Features 2.3.1. Configuration Pins Block Diagram Transmit Output Power RX Sensitivity Supported Carrier Aggregation Combinations 2.7.1.
  • Page 4 LN920 Hardware Design Guide LN920 Signals for Debugging Purposes Pin Layout POWER SUPPLY Power Supply Requirements Power Consumption 4.2.1. Idle Mode 4.2.2. LN920 Connected Mode Current Consumption General Design Rules 4.3.1. Electrical Design Guidelines 4.3.1.1. +5V Source Power Supply Design Guidelines ....... 28 4.3.2.
  • Page 5 GNSS Antenna Specifications 8.2.2. GNSS Antenna – Installation Guidelines GNSS Characteristics MECHANICAL DESIGN General Drawing APPLICATION GUIDE Debugging the LN920 Module in Production Bypass Capacitor on Power Supplies EMC Recommendations PACKAGING Tray CONFORMITY ASSESSMENT ISSUES Approvals Compliance Summary 1VV0301730 Rev. 17...
  • Page 6 LN920 Hardware Design Guide Americas Approvals 12.2.1. USA FCC 12.2.1.1. FCC Certificates ..............62 12.2.1.2. Applicable FCC Rules ............62 12.2.1.3. FCC Regulatory Notices ............62 12.2.1.4. FCC Antenna info ..............64 12.2.2. Canada ISED 12.2.2.1. ISED Database ............... 66 Liste des Rè...
  • Page 7 LN920 Hardware Design Guide 14.2.1. License Agreements 14.2.2. Copyrighted Materials 14.2.3. High Risk Materials 14.2.4. Trademarks 14.2.5. 3rd Party Rights 14.2.6. Waiver of Liability Safety Recommendations GLOSSARY DOCUMENT HISTORY 1VV0301730 Rev. 17 Page 7 of 83 2024-07-11...

  • Page 8: Introduction

    This document introduces the Telit LN920 module and presents possible and recommended hardware solutions for the development of a product based on this module. Features and solutions described in this document apply to all LN920 variants listed in the applicability table.

  • Page 9: Symbol Conventions

    All dates are in ISO 8601 format, that is YYYY-MM-DD. Related Documents • LN920 SW User Guide, 1VV0301712 • LN920 AT Commands Reference Guide, 80675ST11077A • LN920 Interface Board HW User Guide, 1VV0301735 • Generic EVB HW User Guide, 1VV0301249 1VV0301730 Rev. 17 Page 9 of 83 2024-07-11...

  • Page 10: General Product Description

    This document aims to present possible and recommended hardware solutions useful for developing a product integrating Telit LN920 M.2 module. • LN920 is Telit’s M.2 form factor platform for applications, such as CPEs, routers, and gateways, based on the following technologies: •...

  • Page 11: Configuration Pins

    Configuration Pins Based on PCI Express M.2 Specification, LN920 has 4 configuration pins: they allow the host to identify the presence of an LN920 data card in the M.2 socket and identify the main host interface and port configuration. The state of the configuration pins is as follows:...
  • Page 12 Note: On the host side, each of the CONFIG_0 to CONFIG_4 pins requires a pull-up resistor. Based on the configuration pins state on the LN920, being tied to GND or lifted to No Connect (NC), the sensed pins will create a 4-bit logic state.

  • Page 13: Block Diagram

    LN920 Hardware Design Guide Block Diagram The diagram below shows an overview of the internal architecture of the LN920 data card. Figure 1: LN920 Block Diagram Transmit Output Power Band Power class 3G WCDMA Class 3 (0.2W) LTE All Bands (except B41) Class 3 (0.2W)

  • Page 14: Rx Sensitivity

    LN920 Hardware Design Guide RX Sensitivity The 3GPP measurement conditions used to define the RX sensitivity are listed below: Technology 3GPP Compliance 4G LTE Throughput >95% 10MHz Dual Receiver 3G WCDMA BER <0.1% 12.2 Kbps Dual Receiver Table 7: Reception Sensitivity...
  • Page 15 LN920 Hardware Design Guide Product Band Sensitivity (dBm) LTE FDD B14 LTE FDD B17 LTE FDD B18 LTE FDD B19 LTE FDD B20 LTE FDD B25 LTE FDD B26 LTE FDD B28 LTE FDD B29 LTE FDD B30 LTE FDD B66...
  • Page 16 LN920 Hardware Design Guide Product Band Sensitivity (dBm) WCDMA B2 WCDMA B4 WCDMA B5 WCDMA B6 WCDMA B8 WCDMA B9 WCDMA B19 LTE FDD B2 LTE FDD B4 LTE FDD B5 LTE FDD B7 LTE FDD B12 LTE FDD B13 LN920A6-NA -98.0...
  • Page 17 LN920 Hardware Design Guide REFsens (dBm) Typical 3GPP REFsens Band (dBm)*/** Main Combine LTE Band28 -98.0 -98.5 -101 -94.8 LTE Band29 -98.0 -98.5 -101 -94.0 LTE Band30 -94.5 -95.0 -98.0 -95.3 LTE Band38 -96.0 -95.5 -99.0 -96.3 LTE Band39 -98.0 -96.0...

  • Page 18: Supported Carrier Aggregation Combinations

    LN920 Hardware Design Guide Supported Carrier Aggregation Combinations 2.7.1. Downlink Two Carrier Aggregation Combinations (LN920A6-xx, LN920A12-WW and LN920A13-WW) 2xCA Combinations (LN920A6-WW, LN920A12-WW and LN920A13-WW) CA_1A-19A, CA_1A-1A, CA_1A-20A, CA_1A-26A, CA_1A-28A, CA_1A-38A, CA_1A-3A, CA_1A-41A, CA_1A-42A, CA_1A-5A, CA_1A-7A, CA_1A-8A, CA_1C, CA_12A-12A, CA_12A-25A, CA_12A-30A, CA_12A-66A, CA_12B, CA_13A-...

  • Page 19: Uplink Carrier Aggregation Combinations (Ln920A12-Ww, Ln920A13-Ww)

    LN920 Hardware Design Guide 3xCA Combinations (LN920A12-WW) CA_2A-30A-66A, CA_2A-48C, CA_2A-4A-12A, CA_2A-4A-13A, CA_2A-4A-29A, CA_2A-4A-30A, CA_2A-4A-4A, CA_2A-4A-5A, CA_2A-4A-71A, CA_2A-5A-30A, CA_2A-5A-66A, CA_2A-5B, CA_2A-66A-66A, CA_2A-66A-71A, CA_2A-66B, CA_2A-66C, CA_2A-7C, CA_2C-12A, CA_2C-29A, CA_2C-30A, CA_2C-5A, CA_2C-66A, CA_20A-38C, CA_25A-25A-26A, CA_26A-41A-41A, CA_26A-41C, CA_28A-40C, CA_28A-41A-42A, CA_28A-41C, CA_28A-42C, CA_29A-30A-66A, CA_39A-41C, CA_39C-41A, CA_3A-19A-42A, CA_3A-20A-38A, CA_3A-20A-42A, CA_3A-28A-38A,...

  • Page 20: Environmental Requirements

    Temperature Range Table 11: Temperature Range 2.9.2. RoHS Compliance As a part of the Telit corporate policy of environmental protection, the LN920 complies with the RoHS (Restriction of Hazardous Substances) directive of the European Union (EU directive 2011/65/EU). 1VV0301730 Rev. 17...

  • Page 21: Pins Allocation

    LN920 Hardware Design Guide 3. PINS ALLOCATION Pin-out Signal Function Type Comment USB HS 2.0 COMMUNICATION PORT (FW upgrade and Data) USB_D+ USB differential Data (+) Analog USB_D- USB differential Data (-) Analog USB3.0_TX- USB 3.0 super-speed transmit - Minus Analog USB3.0_TX+...
  • Page 22 LN920 Hardware Design Guide Signal Function Type Comment WOW# Wake Host 1.8V Dynamic Power Reduction 1.8V Active Low GPS_DISABLE# GPS disable 3.3V Internal PU Active Low RESET# Reset Input 1.8V Internal PU DIGITAL IO GPIO11 General Purpose I/O 1.8V GPIO5 General Purpose I/O 1.8V...
  • Page 23 LN920 Hardware Design Guide Signal Function Type Comment Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Config CONFIG_0 Ground Ground CONFIG_1 Ground Ground CONFIG_2 Floating CONFIG_3 Floating Reserved for future use...

  • Page 24: Ln920 Signals For Debugging Purposes

    Warning: Unless otherwise specified, RESERVED pins must be left unconnected (Floating). LN920 Signals for Debugging Purposes The table below specifies the LN920 signals that must be connected for debugging purposes, even if not used by the end application. Signal Notes...

  • Page 25: Pin Layout

    LN920 Hardware Design Guide Pin Layout Figure 2: LN920 Pin-out 1VV0301730 Rev. 17 Page 25 of 83 2024-07-11...

  • Page 26: Power Supply

    LN920. The minimum voltage must be at least VBATT to power the module. Power Consumption The below table provides typical current consumption values of LN920 for various operation modes. 4.2.1. Idle Mode Mode Average Mode Description IDLE mode No Call Connection.

  • Page 27: Ln920 Connected Mode Current Consumption

    3DL (2x2 MIMO) CA_7C-28A 800mA 830mA Full RB, 256QAM DL/64QAM UL(600Mbps DL/75Mbps UL) Table 16: LN920 Connected Mode Current Consumption General Design Rules The main guidelines for the Power Supply Design include three different design steps: • Electrical design of the power supply •...

  • Page 28: Electrical Design Guidelines

    Module, a 100μF capacitor is usually suitable. • Make sure the low ESR capacitor on the power supply output is rated at least 10V. • A protection diode must be inserted close to the power input to protect the LN920 module from power polarity inversion.

  • Page 29: Power Supply Pcb Layout Guidelines

    A misplaced component can be useless or can even decrease the power supply performance. • The Bypass low ESR capacitor must be placed close to the LN920 power input pins. In the case the power supply is a switching type, it can be placed close to the inductor to reduce ripple, provided the PCB trace from the capacitor to the LN920 is wide enough to ensure a voltage dropless connection even during a 2.5A current...

  • Page 30: Rtc (Real Time Clock)

    RTC (Real Time Clock) The RTC function is provided to keep time information with low power consumption even when the LN920 is turned off. It is also provided to enable alarm wake-up when the LN920 is turned off. 1VV0301730 Rev. 17...

  • Page 31: Electrical Specifications

    LN920 module. Parameter Parameter Unit VBATT Battery supply voltage on pin VBATT -0.5 +4.2 Table 17: LN920 Absolute Maximum Ratings – Not Operational Recommended Operating Conditions Parameter Parameter Unit Ambient temperature [° C] VBATT Battery supply voltage on pin VBATT...

  • Page 32: Digital Section

    • OFF state: Vbatt is applied and only RTC is running. Baseband is switched OFF and the only transition possible is the ON state. • ON state: Baseband is fully switched on and LN920 is ready to respond to AT commands. The modem can be idle or connected.

  • Page 33: Power On

    6.2.1. Initialization and Activation State After turning on the LN920, the module is not instantly activated because the SW initialization For this reason, it is recommended not to process takes some time to complete. communicate with the LN920 during this initialization phase.

  • Page 34: Power Off

    LN920 Hardware Design Guide Figure 3: LN920 Initialization and Activation As shown in the diagram above, Boot OK* pin will indicate when the module is activated. When the line status transitions to high, the module has completed boot-up. * Boot OK (Shutdown indicator) is an optional function and is disabled by default.

  • Page 35: Graceful Shutdown

    6.3.1. Graceful Shutdown To safely power off the LN920 module, the host can use the graceful shutdown function. To gracefully shutdown the LN920 module, FULL_CARD_POEWR_OFF# should be asserted as Low. Once FULL_CARD_POWER_OFF# is asserted LOW, the LN920 module enters the finalization state, terminates active processes, and prepares to turn off safely.
  • Page 36 Once the Fast Shutdown Trigger senses a HIGH to LOW transition, the fast shutdown is triggered. Then the LN920 module enters the finalization state, it terminates active processes and prepares to turn off safely. As shown in the diagram below, when the module is ready to be turned off, it will be indicated via the Shutdown Indicator*.

  • Page 37: Reset

    Device reset can be triggered by an Unconditional reset using the RESET#. 6.4.1. Unconditional Hardware Reset To unconditionally restart the LN920 module, the RESET# pin must be asserted LOW for more than 1 second, then released. As shown in the diagram below,...

  • Page 38: Communication Ports

    Revision 3.0 and can be used for control and data transfers as well as for diagnostic monitoring and firmware update. The USB port is the main interface between the LN920 module and the host controlling the modem hardware. 1VV0301730 Rev. 17...
  • Page 39 USB 3.0 needs AC coupling series capacitors on the TX lines in both directions. To interface USB 3.0 with the application board controlling the modem, 0.1uF capacitors should be installed on the USB_SS_RX_P/M lines of the LN920. Series capacitors are already placed on USB_SS_TX_P/M lines inside the LN920 module.

  • Page 40: Sim Interface

    LN920 Hardware Design Guide 6.5.2. SIM Interface The LN920 supports two external SIM interfaces (1.8V or 2.85V). SIM Interface Signals SIM Card Interface 1 1.8V / UIM1_PWR Supply output for an external UIM1 card Power 2.85V 1.8V / UIM1_DATA Data connection with an external UIM1 card 2.85V...

  • Page 41: Sim Schematic Example

    6.5.2.1. SIM Schematic Example The following diagrams illustrate how the application interface should be designed. Figure 9: SIM Schematics Note: LN920 contains an internal pull-up resistor on SIMIO lines, thus it is not necessary to install external pull-up resistors. 6.5.3. Control Signals The LN920 supports the following control signals: •...

  • Page 42: General Purpose I/O

    LN920 Hardware Design Guide Figure 10: Recommended LED connection R1 and VDD determine the brightness of the LED and forward current. When VDD is 3.3V and LED’s forward voltage is 2.0V, it is recommended to use the value of R1 from 66 ohms to 250 Ohms.

  • Page 43: Using A Gpio As Input

    1.8V CMOS levels of the GPIO. If the digital output of the device to be connected with the GPIO input pin of LN920 has interface levels different from the 1.8V CMOS, then it can be buffered with an open collector transistor with a 47K pull-up to 1.8V.

  • Page 44: I2C - Inter-Integrated Circuit

    LN920 Hardware Design Guide Figure 11: GPIO Output Pin Equivalent Circuit I2C – Inter-integrated circuit The LN920 supports an I2C interface on the following pins: Signal Function Type NOTE I2C_SDA I2C Data CMOS 1.8V I2C_SCL I2C Clock CMOS 1.8V Table 26: Module I2C Signals The I2C interface is used for controlling peripherals from within the module (such as sensors, codecs, and so on).
  • Page 45 LN920 Hardware Design Guide Figure 12: Antenna Configurations Note: The DPR function is by default disabled. To use the DPR function, refer to LN920 AT Commands Reference Guide. 1VV0301730 Rev. 17 Page 45 of 83 2024-07-11...

  • Page 46: Rf Section

    LN920 Hardware Design Guide 7. RF SECTION Bands Variants Product Bands B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B29, B30, B38, B39, B40, B41, B42, B43, B48, B66, B71 LN920A12-WW...
  • Page 47 LN920 Hardware Design Guide MODE / Band REFsens (dBm) 3GPP REFsens (dBm) LTE / Band2 -99.5 -94.3 LTE / Band3 -100 -93.3 LTE / Band4 -100 -96.3 LTE / Band5 -100 -94.3 LTE / Band7 -98.0 -94.3 LTE / Band8 -93.3...

  • Page 48: Antenna Requirements

    Hence, please read carefully and follow the requirements and guidelines for a proper design. The antenna and RF transmission line on the host PCB for a Telit LN920-based device shall fulfill the following requirements:...

  • Page 49: Antenna Configuration

    Table 32: LN920 Antenna and Antenna Transmission Line on PCB 7.4.1. Antenna Configuration LN920 modems provide two MHF-4 type RF connectors for LTE/WCDMA and GNSS bands and one MHF-4 type RF connector dedicated to the GNSS receiver. The diagram below shows the connector’s position on the modem board.

  • Page 50: Antenna Connector

    Glonass, QZSS Table 33: Antenna Configurations 7.4.2. Antenna Connector The LN920 Family is equipped with a set of 50 Ω RF MHF-4 Receptacles from I-PEX 20449-001E. https://www.i-pex.com For more information about mating connectors, please refer to: Figure 14: MHF-4 RF connector 1VV0301730 Rev.

  • Page 51: Antenna Cable

    LN920 Hardware Design Guide Figure 15: MHF-4 Receptacle If FCC certification is required for an application using LN920, according to FCC KDB 996369 for modular approval requirements, the transmission line must be similar to the one implemented on the LN920 interface board and described in the following chapter.

  • Page 52: Antenna Installation Guidelines

    LN920 Hardware Design Guide 7.4.2.2. Antenna Installation Guidelines • Each antenna must be installed with 20dB isolation. • Install the antenna in a location with access to the network radio signal. • The Antenna must not be installed inside metal cases.

  • Page 53: Gnss Section

    LN920 Hardware Design Guide 8. GNSS SECTION The LN920 module includes a state-of-art receiver that can simultaneously search and track satellite signals from multiple satellite constellations. This multi-GNSS receiver uses the entire spectrum of GNSS systems available: GPS, GLONASS, Beidou, Galileo, and QZSS.

  • Page 54: Hardware-Based Solution For Gnss And Lte Coexistence

    LTE out-of-band emissions, as described in the schematic below. When the GNSS receiver embedded in the LN920 module is used, the LTE transmitter and the GNSS receiver are never simultaneously active, thus filtering on the LTE side is not needed.

  • Page 55: Gnss Antenna - Installation Guidelines

    LN920 Hardware Design Guide Note: In the case of a GNSS antenna placed close to the module, a 15dB gain is sufficient. In the case of a long RF cable, the gain must be increased up to 30dB. 8.2.2. GNSS Antenna – Installation Guidelines •...

  • Page 56: Mechanical Design

    LN920 Hardware Design Guide 9. MECHANICAL DESIGN General The LN920 module was designed to be compliant with a standard lead-free SMT process. Drawing Figure 17: Mechanical Design Drawing 1VV0301730 Rev. 17 Page 56 of 83 2024-07-11...

  • Page 57: Application Guide

    10. APPLICATION GUIDE Debugging the LN920 Module in Production To test and debug the LN920 module integration, it is strongly recommended to add test points on the host PCB for the following purposes: • Checking the connection between the LN920 itself and the application •...

  • Page 58: Emc Recommendations

    And if the fast power-down function is used, additional bypass capacitors should be mounted on the application board. EMC Recommendations EMC protection on all the pins of LN920 should be designed by the application side according to the customer’s requirement. ESD rating on all pins of the LN920 Family: •...

  • Page 59: Packaging

    LN920 Hardware Design Guide 11. PACKAGING Tray The LN920 module is packaged in trays of pieces each. These trays can be used in SMT processes for pick and place handling. Figure 18: Tray Packaging 1VV0301730 Rev. 17 Page 59 of 83...
  • Page 60 LN920 Hardware Design Guide Figure 19: Tray Dimensions 1VV0301730 Rev. 17 Page 60 of 83 2024-07-11...

  • Page 61: Conformity Assessment Issues

    LN920 Hardware Design Guide 12. CONFORMITY ASSESSMENT ISSUES Approvals Compliance Summary Region Americas Country & Type Approval ENACOM ANATEL ISED IFETEL LN920A12-WW LN920A6-WW LN920A13-WW LN920A6-NA Table 37:Americas Approvals Compliance Summary Region APAC Country & Type Approval JRL / JTBL IMDA...

  • Page 62: Americas Approvals

    LN920 Hardware Design Guide The equipment is not compliant Americas Approvals 12.2.1. USA FCC 12.2.1.1. FCC Certificates https://www.fcc.gov/oet/ea/fccid The FCC Grants can be found here: 12.2.1.2. Applicable FCC Rules Model Applicable FCC Rules LN920A12-WW LN920A6-WW 47 CFR Part 2, 22, 24, 27, 90...
  • Page 63 LN920 Hardware Design Guide FCC Class B digital device notice This equipment has been tested and found to comply with the limits for a Class B digital device, according to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 64: Fcc Antenna Info

    LN920 Hardware Design Guide Manual Information to the End User The OEM integrator should be aware not to provide information to the end-user on how to install or remove this RF module in the user’s manual of the end product which integrates this module.
  • Page 65 LN920 Hardware Design Guide Max Gain for FCC (dBi) LTE B2 9.50 9.50 9.50 9.50 LTE B4 6.50 6.50 6.50 6.50 LTE B5 10.91 10.91 10.91 10.91 LTE B7 9.50 9.50 9.50 9.50 LTE B12 10.19 10.19 10.19 10.19 LTE B13 10.67...

  • Page 66: Canada Ised

    LN920 Hardware Design Guide LN920A12-WW LN920A6-WW Contains FCC ID: RI7LN920 LN920A13-WW LN920A6-NA Contains FCC ID: RI7LN920NA Table 42: Host device FCC Label 12.2.2. Canada ISED 12.2.2.1. ISED Database The products ISED certified can be found here: Les produits certifié s ISED peuvent ê tre trouvé s ici : https://sms-sgs.ic.gc.ca/equipmentSearch/searchRadioEquipments?execution=e1s1&lang=en...
  • Page 67 LN920 Hardware Design Guide This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
  • Page 68 LN920 Hardware Design Guide Gain maximum pour ISDE (dBi) Gain maximum pour ISED (dBi) / LTE B41 9.50 9.50 9.50 9.50 LTE B41 HPUE 6.50 6.50 6.50 6.50 LTE B48 1.00 1.00 1.00 LTE B66 6.50 6.50 6.50 6.50 LTE B71 6.99...
  • Page 69 LN920 Hardware Design Guide The module has been evaluated in mobile stand-alone conditions. For operational conditions other than a stand-alone modular transmitter in a host (multiple, simultaneously transmitting modules or other transmitters in a host), additional testing may be required (collocation, retesting…) If this module is intended for use in a portable device, you are responsible for separate approval to satisfy the SAR requirements IC RSS- 102.

  • Page 70: Brazil Anatel

    Brazil ANATEL 12.2.3.1. ANATEL Regulatory Notices The LN920 module is certified in Brazil by Anatel. "Este equipamento nã o tem direito à proteç ã o contra interferê ncia prejudicial e nã o pode causar interferê ncia em sistemas devidamente autorizados"...

  • Page 71: Taiwan Ncc

    LN920 Hardware Design Guide 12.3.2. Taiwan NCC 12.3.2.1. NCC Regulatory Notices According to National Communication Commission (NCC) Taiwan requirements, the module, and the packaging shall be identified as described in the following lines. Shall be added also the specified safety warning statement.

  • Page 72: Ukca

    LN920 Hardware Design Guide Max Gain for RED (dBi) UMTS B8 8.46 8.46 8.46 LTE B1 11.85 11.85 11.85 LTE B3 11.35 11.35 11.35 LTE B7 11.96 11.96 11.96 LTE B8 8.46 8.46 8.46 LTE B20 8.22 8.22 8.22 LTE B28 7.48...

  • Page 73: Reach Info

    LN920 Hardware Design Guide 12.5.2. REACH Info Any requests on information related to REACH certifications can be addressed to Chemical.Certifications@telit.com. 1VV0301730 Rev. 17 Page 73 of 83 2024-07-11...

  • Page 74: Reference Table Of Rf Bands Characteristics

    LN920 Hardware Design Guide 13. REFERENCE TABLE OF RF BANDS CHARACTERISTICS Mode Freq. Tx (MHz) Freq. Rx (MHz) Channels Tx-Rx Offset Tx: 9612 ~ 9888 WCDMA 2100 – B1 1920 ~ 1980 2110 ~ 2170 190 MHz Rx: 10562 ~ 10838 Tx: 9262 ~ 9538 WCDMA 1900 –...
  • Page 75 LN920 Hardware Design Guide Mode Freq. Tx (MHz) Freq. Rx (MHz) Channels Tx-Rx Offset Tx: 24000 ~ 24149 LTE 800 – B19 830 ~ 845 875 ~ 890 45 MHz Rx: 6000 ~ 6149 Tx: 24150 ~ 24449 LTE 800 – B20...

  • Page 76: Product And Safety Information

    LN920 Hardware Design Guide 14. PRODUCT AND SAFETY INFORMATION Copyrights and Other Notices SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE Although reasonable efforts have been made to ensure the accuracy of this document, Telit assumes no liability resulting from any inaccuracies or omissions in this document, or from the use of the information contained herein.

  • Page 77: Usage And Disclosure Restrictions

    LN920 Hardware Design Guide computer programs, including – but not limited to - the exclusive right to copy or reproduce in any form the copyrighted products. Accordingly, any copyrighted computer programs contained in Telit’s products described in this instruction manual shall not be copied (reverse engineered) or reproduced in any manner without the express written permission of the copyright owner, being Telit or the Third Party software supplier.

  • Page 78: Trademarks

    LN920 Hardware Design Guide 14.2.4. Trademarks TELIT and the Stylized T-Logo are registered in the Trademark Office. All other product or service names are property of their respective owners. 14.2.5. 3rd Party Rights The software may include Third Party’s software Rights. In this case the user agrees to comply with all terms and conditions imposed in respect of such separate software rights.

  • Page 79: Safety Recommendations

    LN920 Hardware Design Guide Safety Recommendations Make sure the use of this product is allowed in your country and in the environment required. The use of this product may be dangerous and has to be avoided in areas where: • it can interfere with other electronic devices, particularly in environments such as hospitals, airports, aircrafts, etc.

  • Page 80: Glossary

    LN920 Hardware Design Guide 15. GLOSSARY Analog – Digital Converter Clock CMOS Complementary Metal – Oxide Semiconductor Chip Select Equivalent Series Resistance GPIO General Purpose Input Output High Speed HSDPA High Speed Downlink Packet Access Input Output Printed Circuit Board...

  • Page 81: Document History

    LN920 Hardware Design Guide 16. DOCUMENT HISTORY Revision Date Changes 2024-04-23 Added CA list CA-4A-48A, CA_13-48A Update APAC Approvals compliance summary Update PIN description Table 12 and figure 2 Update Table 16 3DL Mode Description Added New variant the LN920A6-NA Update the chapter 11.1 Tray...
  • Page 82 LN920 Hardware Design Guide 2022-03-03 Updated table numbers. Updated figure numbers Updated Table 35: GNSS Characteristics Updated Table 27: Bands variant Updated Table 30: Rx sensitivity LN920A12-WW and LN920A6- 2022-02-22 Modified the Block diagram. Updated RF performance. Updated antenna maximum gain.

This manual is also suitable for:

Ln920a12-wwLn920a6-wwLn920a13-wwLn920a6-na

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