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YUGE CLM920 NC3 Hardware Manual

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Product Name
CLM920_NC3_LTE Module hardware manual
Number of Pages
74
Produce Version
V2.2
Date
2019/10/30
CLM920_NC3_LTE
Module hardware manual
V2.2
Shanghai Yuge Information Technology co., LTD
All rights reserved

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Summary of Contents for YUGE CLM920 NC3

  • Page 1 Product Name CLM920_NC3_LTE Module hardware manual Number of Pages Produce Version V2.2 Date 2019/10/30 CLM920_NC3_LTE Module hardware manual V2.2 Shanghai Yuge Information Technology co., LTD All rights reserved...
  • Page 2 CLM920_NC3_LTE Module hardware manual History record Version Date Description Author V2.0 20180126 Initial David V2.1 2019/9/2 1.Modify the USIM reference circuit Document group V2.2 2019/10/30 1.Modify some editing errors Document group - 2 - Shanghai Yuge Information Technology co., LTD...

  • Page 3: Table Of Contents

    3.7.2 UIM_DET Hot Swap Reference Design............. - 38 - 3.8 General purpose GPIO interface................- 39 - 3.9 Network status indication interface................ - 40 - 3.10 Module status indication..................- 41 - 3.11 PCM digital voice interface..................- 42 - - 3 - Shanghai Yuge Information Technology co., LTD...
  • Page 4 Chapter 6. Structural and mechanical properties..............- 70 - 6.1 Chapter overview....................- 70 - 6.2 Exterior........................- 70 - Chapter 7. Packaging and production...................- 73 - 7.1 Chapter overview....................- 73 - 7.2 Module packaging and storage................- 73 - - 4 - Shanghai Yuge Information Technology co., LTD...
  • Page 5 8.4 Safety and precautions....................- 79 - Figure Figure 2-1 Functional block diagram of the CLM920 NC3 LCC module......- 15 - Figure 3-1 LCC module interface definition................ - 17 - Figure 3-2 GSM TDMA network burst current supply voltage drop........- 26 - Figure 3-3 VBAT power supply...................
  • Page 6 Figure 3-33 Antenna connector matching plug diagram............- 56 - Figure 3-34 Matching coaxial RF line size................- 57 - Figure 6-1 Appearance of the CLM920 NC3............... - 70 - Figure 6-2 Front view and side view of the module (unit: mm).......... - 71 - Figure 6-3 Bottom view of the module (unit: mm)..............
  • Page 7 Table 4-15 EVDO data transmission power consumption (GNSS off)........- 64 - Table 4-16 LTE data transmission power consumption (GNSS off)........- 64 - Table 5-1 CLM920 NC3 module working storage temperature...........- 66 - Table 5-2 Electrical Characteristics of CLM920 NC3 Module..........- 66 - Table 5-3 CLM920 NC3 Module Operating Voltage............
  • Page 8 Table 8-5 Maximum HSDPA rate..................- 77 - Table 8-6 Maximum HSUPA rate..................- 78 - Table 8-7 LTE-FDD DL maximum rate................- 78 - Table 8-8 LTE-FDD UL Maximum Rate................- 79 - - 8 - Shanghai Yuge Information Technology co., LTD...

  • Page 9: Chapter 1. Introduction

    CLM920_NC3_LTE Module hardware manual Chapter 1. Introduction This document is a wireless solution product CLM920 NC3, CLM920 TB3, CLM920 TE3 module hardware interface manual, designed to describe the hardware components and functional characteristics of the module solution, application interface definition and application instructions, electrical performance and mechanical characteristics.

  • Page 10: Chapter 2. Module Review

    CLM920_NC3_LTE Module hardware manual Chapter 2. Module review 2.1Module introduction CLM920 NC3 module is an LCC package module, which is an integrated FDD-LTE/TDD-LTE/TD-SCDMA/WCDMA/EVDO/CDMA/EDGE/GSM and other wireless terminal products for network standards and GPS location services. The module is based on...
  • Page 11 LCC package, patch mount Application processor Single core ARM Cortex-A7 processor, clocked at 1.2GHZ, 256kB level 2 cache Operating Voltage 3.3V - 4.2V Typical Voltage 3.7V Energy saving current Standby current < 5mA - 11 - Shanghai Yuge Information Technology co., LTD...
  • Page 12  Power interface Support 3.3V-4.2V DC power supply  Network status Used to indicate the status of the module, the speed of indication the light is on to indicate different module status - 12 - Shanghai Yuge Information Technology co., LTD...
  • Page 13 LTE FDD:DL 10Mbps/UL 5Mbps@20M BW cat1 LTE TDD:DL 10Mbps/UL 5Mbps@20M BW cat1 GPS/BEIDOU/GLONASS Satellite positioning Protocol：NMEA Diversity antenna Support LTE diversity antenna AT command Support for standard AT instruction sets (Hayes 3GPP - 13 - Shanghai Yuge Information Technology co., LTD...

  • Page 14: Module Function

    G stands for GPS When the temperature is in the range of –40 ° C to –30 ° C or +75 ° C to +85 ° C, some RF indicators of the CLM920 NC3 module may not meet the 3GPP standards.
  • Page 15 CLM920_NC3_LTE Module hardware manual The functional block diagram of the CLM920 NC3 LCC module is shown below： Figure 2-1 Functional block diagram of the CLM920 NC3 LCC module - 15 - Shanghai Yuge Information Technology co., LTD...

  • Page 16: Chapter 3. Interface Application Description

     USIM interface  UART interface  Control interface  PCM/I2S voice interface  RF antenna interface  GPIO interface  Reserved  NC interface  SPI interface  SDIO interface - 16 - Shanghai Yuge Information Technology co., LTD...

  • Page 17: Module Interface

    CLM920_NC3_LTE Module hardware manual 3.2 Module interface 3.2.1 144-pin LCC interface Figure 3-1 LCC module interface definition - 17 - Shanghai Yuge Information Technology co., LTD...

  • Page 18: Interface Definition

    USIM_VDD USIM_DATA USIM_CLK USIM_RST RESERVED RESET_N PWRKEY RESERVED PCM_IN PCM_OUT PCM_SYNC PCM_CLK SDC2_DATA3 SDC2_DATA2 SDC2_DATA1 SDC2_DATA0 SDC2_CLK SDC2_CMD VDD_SDIO ANT_DIV SPI_CS_N（I2S_D1） SPI_MOSI（I2S_WS） SPI_MISO（I2S_D0） SPI_CLK（I2S_SCLK） I2C_SCL I2C_SDA RESERVED ADC1 ADC0 ANT_GNSS ANT_MAIN - 18 - Shanghai Yuge Information Technology co., LTD...
  • Page 19 CLM920_NC3_LTE Module hardware manual RESERVED VBAT VBAT VBAT VBAT STATUS USB_DP USB_DM USB_VBUS RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVED RESERVE RESERVE RESERVE MCLK - 19 - Shanghai Yuge Information Technology co., LTD...
  • Page 20 Table 3-3 Pin description power supply Pin number Pin definition Functional description Remarks VBAT Module power input Power supply needs to guarantee 2A current VBAT Module power input VBAT Module power input - 20 - Shanghai Yuge Information Technology co., LTD...
  • Page 21 Keep empty when not in use Request to send Keep empty when not in use Module sleep mode control Keep empty when not in use Serial data transmission Keep empty when not in use - 21 - Shanghai Yuge Information Technology co., LTD...
  • Page 22 Functional description Remarks NET_STATUS OD Module work network Keep empty when not in use status light indication STATUS DO Module running status Keep empty when not in use indication PCM interface - 22 - Shanghai Yuge Information Technology co., LTD...
  • Page 23 Reuse I2S_D1 (keep it floating SPI_CS_N SPI chip selection when not in use) Reuse I2S_WS (keep it idle SPI_MOSI SPI data output when not in use) SPI_MISO SPI data input Reuse I2S_D0 (keep it floating - 23 - Shanghai Yuge Information Technology co., LTD...
  • Page 24 79， 80， 81， 82， 83， 84， 113~144 circuit open  The module typically has an IO port level of 1.8V (in addition to the SIM, the SIM card port level supports 1.8V and 3.0V). - 24 - Shanghai Yuge Information Technology co., LTD...

  • Page 25: Power Interface

    56,72, 85~112 The CLM920 NC3 module is available in a single-supply mode with four power supply pins. The VBAT power supply range is 3.3 to 4.2V. It is recommended to use 3.7V/2A power supply. When transmitting data or talking under HSPA/UTMS/GSM network, the...

  • Page 26: Power Reference Circuit

    The actual design of the power circuit can use a switching DC power supply or a linear LDO power supply to design the VBAT power supply. Both design circuits need to supply enough current. Specific reference to the following circuit design： - 26 - Shanghai Yuge Information Technology co., LTD...
  • Page 27 Figure 3-6 PMOS tube control power switch reference circuit  To prevent damage to the module from surges and overvoltages, it is recommended to connect a 5.1V/500mW Zener diode to the VBAT pin of the module. - 27 - Shanghai Yuge Information Technology co., LTD...

  • Page 28: Vdd_Sdio 1.8V/2.85V Voltage Output

    3.4 Switching machine reset mode 3.4.1 Boot The 21 pin of the CLM920 NC3 module is the boot pin. The module is powered on at low level. The PWRKEY is pulled low for at least 500ms. When the module is powered on, the user can check whether the module is powered on by querying the high and low levels of the VDD_EXT pin.

  • Page 29: Boot Timing

    500ms, and the module is powered on. Switching machine design can also be done with buttons, button accessories need to be placed with a TVS tube for ESD protection. - 29 - Shanghai Yuge Information Technology co., LTD...

  • Page 30: Shut Down

    Figure 3-8 Power-on reference circuit 3.4.3 Shut down If the CLM920 NC3 module is to be shut down, the shutdown can be controlled by the PWRKEY pin. At this time, the module performs a normal shutdown process. The module can also be shut down by AT command, the shutdown command is AT$QCPWRDN.

  • Page 31: Usb Interface

    Reset RESET timing is as follows： Figure 3-10 Reset timing diagram The CLM920 NC3 module supports AT command reset, and the AT command is at+cfun=1,1 to restart the module. Detailed instructions can be found in the AT command set manual.
  • Page 32 USB bus power, the module can only be used as a slave device of the USB bus device. USB interface can support the following functions：  Software download upgrade  Data communication  AT Command  GNSS NMEA output, etc. - 32 - Shanghai Yuge Information Technology co., LTD...

  • Page 33: Uart Interface

    CLM920_NC3_LTE Module hardware manual 3.6 UART interface 3.6.1 Main serial port The CLM920 NC3 module provides two sets of UART interfaces. The main serial port and the debug serial port have a serial port level of 1.8V. Main serial port: The serial port can realize AT interactive instructions, print program log information, and interact with peripheral data.
  • Page 34 The serial port of the module is TTL 1.8V level. If the serial port needs to be connected to the MCU of 3.3V level, it is necessary to add a level conversion chip externally to achieve level matching. The chip connection method can refer to the following circuit： - 34 - Shanghai Yuge Information Technology co., LTD...

  • Page 35: Debug Serial Port

    0.45 3.6.3 RI and DTR interface The CLM920 NC3 module supports the serial sleep wake-up function, and the RI pin can be used as an interrupt to wake up the host. The RI pin can wake up the host as an interrupt.

  • Page 36: Usim Interface

    Figure 3-15 RI pin signal waveform DTR: The DTR pin can be used as the sleep wake-up pin of the CLM920 NC3 module. When the module enters sleep, the DTR pin can be pulled low to wake up the module.

  • Page 37: Usim Card Reference Circuit

    /1.8V 3.7.1 USIM card reference circuit The CLM920 NC3 module does not come with a USIM card slot. Users need to design a USIM card slot on their own interface board. USIM card interface reference circuit is as follows：...

  • Page 38: Uim_Det Hot Swap Reference Design

    3.7.2 UIM_DET Hot Swap Reference Design The CLM920 NC3 module supports the USIM card hot plug function. The UIM_DET pin acts as an input detection pin to determine whether the USIM card is inserted or not. The UIM_DET pin defaults to a pull-up high. The hot plug function can be turned on or off by AT+HOSCFG.

  • Page 39: General Purpose Gpio Interface

    SIM card is in the state, the status is low. Set AT+HOSCFG=0, 0 SIM card hot swap function is off. 3.8 General purpose GPIO interface The CLM920 NC3 module contains five general control signals. The interface is defined as follows： Table 3-13 General GPIO Pin Definitions...

  • Page 40: Network Status Indication Interface

    W_DISABLE#： Flight mode control, when the CLM920 NC3 module W_DISABLE# signal is pulled low, the module RF function can be turned off, the module can enter the flight mode, and the module can be turned on to open the module RF function.

  • Page 41: Module Status Indication

    R. The current can be adjusted up to 40mA. 3.10 Module status indication The CLM920 NC3 module provides a pin as a working status indicator for the module. This pin can be used to connect to a GPIO or LED with pull-up for the module's power-on status indication.

  • Page 42: Pcm Digital Voice Interface

    CLM920_NC3_LTE Module hardware manual 3.11 PCM digital voice interface The CLM920 NC3 module provides a set of PCM audio interfaces supporting 8-bit A rate, μ rate and 16-bit linear short frame encoding format with PCM_SYNC of 8kHZ and PCM_CLK of 2048kHZ.

  • Page 43: I2C Bus

    PCM to analog voice recommendation circuit is as follows： Figure 3-21 PCM to analog voice map 3.12 I2C bus CLM920 NC3 module provides a set of hardware bidirectional serial bus, I2C interface is 1.8V level, 5.0 protocol interface, clock rate is 400KHz. Table 3-18 I2C pin definition...

  • Page 44: Sdio Interface

    I2C reference circuit connection is as follows： Figure 3-22 I2C interface reference circuit diagram 3.13 SDIO interface CLM920 NC3 module provides a 4-bit SD/MMC interface, supports 1.8V/2.95V two voltage SD cards, clock frequency up to 50MHz, maximum capacity support 32GB, support SD3.0 protocol.
  • Page 45 -0.3 1.8V voltage SDIO domain SDC2_D2 DATA2 0.75* 2.95 VDD_Px 2.95V voltage VDD_Px domain 0.125* 2.95V voltage VDD_Px domain 0.625* 2.95 VDD_Px + 2.95V voltage VDD_Px domain -0.3 0.25* 2.95V voltage - 45 - Shanghai Yuge Information Technology co., LTD...
  • Page 46 1.8V voltage SDIO domain SDC2_D0 0.75* 2.95 VDD_Px 2.95V voltage DATA0 VDD_Px domain 0.125* 2.95V voltage VDD_Px domain 0.625* 2.95 VDD_Px + 2.95V voltage VDD_Px domain -0.3 0.25* 2.95V voltage VDD_Px domain - 46 - Shanghai Yuge Information Technology co., LTD...
  • Page 47 VDD_Px + 2.95V voltage VDD_Px domain -0.3 0.25* 2.95V voltage VDD_Px domain SDIO IO maximum output 50MA, output Cannot be 1.8V/2.85V configurable used for SD VDD_SDI pull-up card power power supply supply - 47 - Shanghai Yuge Information Technology co., LTD...
  • Page 48 CLM920_NC3_LTE Module hardware manual The SD card reference design of the CLM920 NC3 module is shown below： Figure 3-23 SD card interface reference circuit diagram  SD card circuit routing considerations:  The SD card power supply is 3V with a voltage range of 2.7~3.6V, which needs to be externally supplied and has a minimum current of 800mA.

  • Page 49: Spi Interface / Multiplexed I2S Interface

    Multiplexin g I2S_CLK 0.45 The SPI interface of the CLM920 NC3 module can also be used as I2S. It can be connected to the CODEC. The existing I2S supports the Nuvoton NAU8810 by default. Table 3-21 I2S pin definition Level value (V)

  • Page 50: Mclk Interface

    I2S_CLK I2S clock -0.3 The following figure shows the reference design of the CLM920 NC3 connection NAU8810. Figure 3-24 I2S to analog voice map 3.15 MCLK interface The CLM920 NC3 module provides one MCLK and provides a 12.288M clock output.

  • Page 51: Adc Interface

    0.45 12.288M 3.16 ADC interface The CLM920 NC3 provides two analog-to-digital converter interfaces to read the voltage value. The ADC interface input voltage cannot exceed VBAT. It is recommended that the ADC pin be input with a voltage divider circuit.

  • Page 52: Main Antenna Interface

    GLONASS, GALILEO signal reception. If you need to use it, you need to open the GPS with AT command AT+CGPS=1 (please consult CLM920 NC3 AT command set manual for details) In order to facilitate the debugging of the antenna, it is necessary to add a π-type matching circuit to the main board, and take a 50-ohm impedance line.
  • Page 53 LDO/DCDC to power the active antenna, so that when the GNSS function is not used, the LDO/DCDC can be turned off to reduce the current consumption. Figure 3-28 GNSS active antenna reference circuit - 53 - Shanghai Yuge Information Technology co., LTD...

  • Page 54: Rf Trace Reference

    CLM920_NC3_LTE Module hardware manual  The CLM920 NC3 module provides three RF antenna interfaces, which are the main set antenna, the diversity antenna and the GPS antenna connection port. The antenna interface must be a 50 ohm characteristic impedance trace.

  • Page 55: Rf Connector Size

    3.17.5 RF connector size  If the RF connector is used, the antenna connector must use a coaxial connector with a 50 ohm characteristic impedance.  Hirose's UF.L-R-SMT connector is recommended. - 55 - Shanghai Yuge Information Technology co., LTD...
  • Page 56 Figure 3-33 Antenna connector matching plug diagram Table 3-25 Main parameters of the RF connector Rated condition Environmental conditions Frequency Range DC to 6GHZ –40°C to +85°C Characteristic impedance 50 Ω –40°C to +85°C - 56 - Shanghai Yuge Information Technology co., LTD...
  • Page 57 CLM920_NC3_LTE Module hardware manual Figure 3-34 Matching coaxial RF line size - 57 - Shanghai Yuge Information Technology co., LTD...

  • Page 58: Chapter 4. Overall Technical Indicators

    CLM920_NC3_LTE Module hardware manual Chapter 4. Overall technical indicators 4.1 Chapter overview The CLM920 NC3 Module RF General Specifications contain the following sections：  working frequency  Conducted radio frequency measurement  Conducted receiving sensitivity and transmit power  GNSS reception performance ...

  • Page 59: Working Frequency

    UMTS B8 880MHz – 915MHz 925MHz – 960MHz WCDMA TDS B34 2010MHz –2025MHz 2010MHz – 2025MHz TD-SCDMA TDS B39 1880MHz –1920MHz 1880MHz – 1920MHz TD-SCDMA 824MHz – 849MHz 869MHz – 894MHz CDMA - 59 - Shanghai Yuge Information Technology co., LTD...

  • Page 60: Conducted Radio Frequency Measurement

    Agilent 66319 MXHP32HP1000 4.4.2 Standard test The CLM920 NC3 module passes the 3GPP TS 51.010-1, 3GPP TS 34.121-1, 3GPP TS 36.521-1, 3GPP2 C.S0011 and 3GPP2 C.S0033 test standards. Each module passes rigorous testing at the factory to ensure reliable quality.

  • Page 61: Antenna Requirements

    21 to 25 LTE B40 21 to 25 LTE B41 21 to 25 4.6 Antenna requirements CLM920 NC3 module main set antenna and GNSS antenna design requirements: Table 4-7 Main set antenna indicator requirements Frequency band Standing wave ratio Antenna gain Effectiveness GSM850 <2.5:1...
  • Page 62 LNA ratio figure gain GPS L1 <2:1 <1.5DB >-2DBi 20DB 1575.41+/1.023MHZ GLONASS <2:1 <1.5DB >-2DBi 20DB 1597.5-1605.8MHZ BeiDou <2:1 <1.5DB >-2DBi 20DB 1559.05-1563.14MHZ Galileo E1 <2:1 <1.5DB >-2DBi 20DB 1573.4-1577.5MHZ - 62 - Shanghai Yuge Information Technology co., LTD...

  • Page 63: Power Consumption Characteristics

    Idle mode 18.0 Table 4-10 Call Power Consumption (GNSS Off) Frequency band Power level Current consumption mA EGSM900 DCS1800 WCDMA B1 24dBm WCDMA B5 24dBm WCDMA B8 24dBm TD-SCDMA 1900 24dBm - 63 - Shanghai Yuge Information Technology co., LTD...
  • Page 64 Table 4-15 EVDO data transmission power consumption (GNSS off) Frequency band Power dBm Current consumption mA Table 4-16 LTE data transmission power consumption (GNSS off) Frequency band Test bandwidth Current consumption mA - 64 - Shanghai Yuge Information Technology co., LTD...
  • Page 65 @10Mbps @20Mbps @5Mbps LTE-FDD B8 @10Mbps @5Mbps LTE-FDD B20 @10Mbps @20Mbps @5Mbps LTE-TDD B38 @10Mbps @20Mbps @5Mbps LTE-TDD B39 @10Mbps @20Mbps @5Mbps LTE-TDD B40 @10Mbps @20Mbps @5Mbps LTE-TDD B41 @10Mbps @20Mbps - 65 - Shanghai Yuge Information Technology co., LTD...

  • Page 66: Chapter 5. Interface Electrical Characteristics

    0.35*VDD_EXT High level output voltage VDD_EXT-0.45V VDD_EXT Low level output voltage 0.45V 5.4 Power supply CLM920 NC3 module input power requirements are as follows： Table 5-3 CLM920 NC3 Module Operating Voltage parameter Minimum value Typical value Maximum Input voltage 3.3V 3.7V...

  • Page 67: Electrostatic Property

    5.5 Electrostatic property There is no overvoltage protection inside the CLM920 NC3 module. The ESD protection is required when the module is used to ensure product quality. EMC design recommendations：...
  • Page 68 Power on, do not boot Temperature: –40℃ Visual inspection: normal Working mode: no packaging, no JESD22-A Function check: normal temperature power, no boot 119-C RF indicator check: storage Test duration: 24 h normal - 68 - Shanghai Yuge Information Technology co., LTD...
  • Page 69 CLM920_NC3_LTE Module hardware manual Temperature: 85℃ Visual inspection: normal High Working mode: no packaging, no JESD22-A Function check: normal temperature power, no boot 103-C RF indicator check: storage Test duration: 24 h normal - 69 - Shanghai Yuge Information Technology co., LTD...

  • Page 70: Chapter 6. Structural And Mechanical Properties

    6.1 Chapter overview  Exterior  Module mechanical size. 6.2 Exterior The CLM920 NC3 module is a PCBA with a single-sided layout. The appearance of the module is shown below： Figure 6-1 Appearance of the CLM920 NC3 - 70 -...
  • Page 71 Figure 6-2 Front view and side view of the module (unit: mm) The figure below shows the bottom view size of the module： Figure 6-3 Bottom view of the module (unit: mm) - 71 - Shanghai Yuge Information Technology co., LTD...
  • Page 72 CLM920_NC3_LTE Module hardware manual Module recommended package： Figure 6-4 Recommended module package (unit: mm) - 72 - Shanghai Yuge Information Technology co., LTD...

  • Page 73: Chapter 7. Packaging And Production

     Production welding. 7.2 Module packaging and storage The CLM920 NC3 module is packaged in a tray and packaged in a vacuum-sealed bag, with a 10PCS package and a 100PCS package, shipped as a vacuum-sealed bag. The storage of the CLM920 NC3 module module is subject to the following conditions：...
  • Page 74 Table 7-1 Reflow process parameter table Warm zone Time key parameter Preheating zone（40℃～ Heating rate：1℃/s～3℃/s 165℃） Constant temperature zone （t1～t2）：70s～120s （160℃～210℃） Recirculation zone（> Peak temperature：235℃～ （t3～t4）：40s～60s 217℃） 245℃ Cooling zone Cooling rate：2℃/s ≤ Slope ≤ 5℃/s - 74 - Shanghai Yuge Information Technology co., LTD...
  • Page 75 EDGE Enhanced Data Rate for GSM Evolution European Union Electromagnetic Compatibility Electrostatic Discharge Federal Communications Commission GPRS General Packet Radio Service Global System for Mobile Communication HSDPA High-Speed Downlink Packet Access - 75 - Shanghai Yuge Information Technology co., LTD...
  • Page 76 Wideband Code Division Multiple Access WWAN Wireless Wide Area Network 8.3 Encoding Table 8-2 Time slot allocation table for different levels of GPRS/EDGE Slot class DL slot number UL slot number Active slot number - 76 - Shanghai Yuge Information Technology co., LTD...
  • Page 77 MCS 9 = 59.2 kb/s/ time slot 236.8 kb/s 8PSK Table 8-5 Maximum HSDPA rate HSDPA device category Max data rate（peak） Modulation type Category 1 1.2Mbps 16QAM,QPSK Category 2 1.2Mbps 16QAM,QPSK - 77 - Shanghai Yuge Information Technology co., LTD...
  • Page 78 Modulation type Category 1 0.96Mbps QPSK Category 2 1.92Mbps QPSK Category 3 1.92Mbps QPSK Category 4 3.84Mbps QPSK Category 5 3.84Mbps QPSK Category 6 5.76Mbps QPSK Table 8-7 LTE-FDD DL maximum rate - 78 - Shanghai Yuge Information Technology co., LTD...
  • Page 79 "turn off radio equipment" signs.  Traffic Safety: Please comply with local laws or regulations in your country or region regarding the use of wireless devices when driving a vehicle. - 79 - Shanghai Yuge Information Technology co., LTD...
  • Page 80  Emergency call: This device uses wireless signals for propagation. Therefore, the network cannot be connected in all cases, so in the emergency, the wireless device cannot be used as the only contact method. - 80 - Shanghai Yuge Information Technology co., LTD...

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