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Quectel EC25 Mini PCIe Hardware Design

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EC25 Mini PCIe
Hardware Design
LTE Standard Module Series
Rev. EC25_Mini_PCIe_Hardware_Design_V2.3
Date: 2019-11-26
Status: Released
www.quectel.com

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  • Page 1 EC25 Mini PCIe Hardware Design LTE Standard Module Series Rev. EC25_Mini_PCIe_Hardware_Design_V2.3 Date: 2019-11-26 Status: Released www.quectel.com...
  • Page 2 QUECTEL OFFERS THE INFORMATION AS A SERVICE TO ITS CUSTOMERS. THE INFORMATION PROVIDED IS BASED UPON CUSTOMERS’ REQUIREMENTS. QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE. QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN, AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY, LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION.

  • Page 3: About The Document

    Frank WANG Deleted description of EC25-AUT Mini PCIe in Table 1. Added description of EC25-AU and EC25-J Mini PCIe in Table 1. Updated key features of EC25 Mini PCIe in Lyndon LIU/ 2017-01-24 Table 2. Frank WANG Added current consumption in Chapter 4.7.
  • Page 4 12. Added operating frequencies in Table 16. 13. Added GNSS frequency in Table 17. 14. Updated antenna requirements in Table 18. 15. Updated EC25 Mini PCIe conducted RF output power in Table 21. 16. Updated conducted RF receiving sensitivity of EC25-A Mini PCIe in Table 22.
  • Page 5 LTE Standard Module Series EC25 Mini PCIe Hardware Design Updated supported protocols and USB serial drivers in Table 2. Added EC25-AFX Mini PCIe conducted RF receiving sensitivity in Table 28. Updated conducted RF receiving sensitivity of EC25-EU Mini PCIe in Table 29.

  • Page 6: Table Of Contents

    LTE Standard Module Series EC25 Mini PCIe Hardware Design Contents About the Document ........................... 2 Contents ............................... 5 Table Index ..............................7 Figure Index ..............................9 Introduction ............................10 1.1. Safety Information........................11 Product Concept ..........................12 2.1. General Description ......................... 12 2.2.
  • Page 7 Thermal Consideration ......................72 Dimensions and Packaging ......................74 7.1. General Description ......................... 74 7.2. Mechanical Dimensions of EC25 Mini PCIe ................74 7.3. Standard Dimensions of Mini PCI Express ................75 7.4. Packaging Specifications ......................76 Appendix A References ........................77...
  • Page 8 TABLE 21: POWER SUPPLY REQUIREMENTS ....................43 TABLE 22: I/O REQUIREMENTS ........................44 TABLE 23: CONDUCTED RF OUTPUT POWER OF EC25 MINI PCIE ............44 TABLE 24: CONDUCTED RF RECEIVING SENSITIVITY OF EC25-A MINI PCIE .......... 45 TABLE 25: CONDUCTED RF RECEIVING SENSITIVITY OF EC25-AU MINI PCIE ........45 TABLE 26: CONDUCTED RF RECEIVING SENSITIVITY OF EC25-J MINI PCIE ..........
  • Page 9 TABLE 46: CURRENT CONSUMPTION OF EC25-AUX MINI PCIE ..............67 TABLE 47: CURRENT CONSUMPTION OF EC25-EU MINI PCIE ..............70 TABLE 48: GNSS CURRENT CONSUMPTION OF EC25 MINI PCIE SERIES MODULE ....... 72 TABLE 49: RELATED DOCUMENTS ........................ 77 TABLE 50: TERMS AND ABBREVIATIONS ...................... 77...
  • Page 10 FIGURE 17: SPACE FACTOR OF MATING PLUGS (UNIT: MM) ..............42 FIGURE 18: REFERENCED HEATSINK DESIGN ................... 73 FIGURE 19: MECHANICAL DIMENSIONS OF EC25 MINI PCIE ..............74 FIGURE 20: STANDARD DIMENSIONS OF MINI PCI EXPRESS ..............75 FIGURE 21: DIMENSIONS OF THE MINI PCI EXPRESS CONNECTOR (MOLEX 679105700) ....76...

  • Page 11: Introduction

    LTE Standard Module Series EC25 Mini PCIe Hardware Design Introduction This document defines EC25 Mini PCIe module, and describes its air interfaces and hardware interfaces which are connected with customers’ applications. This document helps customers quickly understand module interface specifications, electrical characteristics, mechanical specifications and other related information of the module.

  • Page 12: Safety Information

    The following safety precautions must be observed during all phases of operation, such as usage, service or repair of any cellular terminal or mobile incorporating EC25 Mini PCIe module. Manufacturers of the cellular terminal should send the following safety information to users and operating personnel, and incorporate these guidelines into all manuals supplied with the product.

  • Page 13: Product Concept

    Product Concept 2.1. General Description EC25 Mini PCIe module provides data connectivity on LTE-FDD, LTE-TDD, DC-HSDPA, HSPA+, HSDPA, HSUPA, WCDMA, EDGE and GPRS networks with PCI Express Mini Card 1.2 standard interface. It supports embedded operating systems such as Linux, Android, etc., and also provides audio, high-speed data transmission and GNSS functionalities for customers’...

  • Page 14: Description Of Module Series

    LTE Standard Module Series EC25 Mini PCIe Hardware Design 2.2. Description of Module Series EC25 Mini PCIe series contains 12 variants, and are listed in the following table. Table 1: Description of EC25 Mini PCIe Module Series Description Support LTE-FDD: B2/B4/B12...
  • Page 15 LTE Standard Module Series EC25 Mini PCIe Hardware Design Support LTE-FDD: B1/B3/B7/B8/B20/B28A Support LTE-TDD: B38/B40/B41 Support WCDMA: B1/B8 EC25-EU Mini PCIe Support GSM: 900/1800MHz Support LTE/WCDMA receive diversity Support GNSS Support digital audio Support LTE-FDD: B1/B3/B7/B8/B20/B28A Support WCDMA: B1/B8 EC25-EC Mini PCIe...

  • Page 16: Key Features

    LTE Standard Module Series EC25 Mini PCIe Hardware Design 2.3. Key Features The following table describes the detailed features of EC25 Mini PCIe module. Table 2: Key Features of EC25 Mini PCIe Features Description Function Interface PCI Express Mini Card 1.2 Standard Interface Supply voltage: 3.0V~3.6V...
  • Page 17 Antenna Connectors connectors Rx-diversity (Optional) Support LTE/WCDMA Rx-diversity Gen8C Lite of Qualcomm GNSS Features Protocol: NMEA 0183 Data update rate: 1Hz by default Compliant with 3GPP TS 27.007, 27.005 and Quectel enhanced AT AT Commands commands EC25_Mini_PCIe_Hardware_Design 16 / 79...

  • Page 18: Functional Diagram

    When the temperature returns to normal operation temperature levels, the module will meet 3GPP specifications again. “*” means under development. 2.4. Functional Diagram The following figure shows the block diagram of EC25 Mini PCIe. Boost VBAT Circuit...

  • Page 19: Application Interfaces

     PCM and I2C interfaces  Control and indication pins 3.1. Pin Assignment The following figure shows the pin assignment of EC25 Mini PCIe module. The top side contains EC25 module and antenna connectors. Pin Name Pin No. Pin Name Pin No.

  • Page 20: Pin Description

    LTE Standard Module Series EC25 Mini PCIe Hardware Design 3.2. Pin Description The following tables show the pin definition and description of the 52 pins on EC25 Mini PCIe. Table 3: I/O Parameters Definition Type Description Digital Input Digital Output...
  • Page 21 LTE Standard Module Series EC25 Mini PCIe Hardware Design (U)SIM card Mini card ground Data signal of (U)SIM UIM_DATA USIM_DATA card Connect to REFCLK- UART_RX UART receive data DTE’s TX. Clock signal of (U)SIM UIM_CLK USIM_CLK card Connect to REFCLK+...
  • Page 22 LTE Standard Module Series EC25 Mini PCIe Hardware Design Require SMB_CLK I2C_SCL I2C serial clock external pull-up to 1.8V. PETn0 Sleep mode control Require SMB_DATA I2C_SDA I2C serial data external pull-up to 1.8V. PETp0 RESERVED Reserved Mini card ground Mini card ground...

  • Page 23: Operating Modes

    TCP/UDP data from the network normally. 3.4. Power Saving 3.4.1. Sleep Mode EC25 Mini PCIe is able to reduce its current consumption to a minimum value in sleep mode. There are three preconditions must be met to make the module enter sleep mode. EC25_Mini_PCIe_Hardware_Design...

  • Page 24: Airplane Mode

    37, 40, 43, 50 The typical supply voltage of EC25 Mini PCIe is 3.3V. In the 2G network, the input peak current may reach 2.7A during the transmitting time. Therefore, the power supply must be able to provide a rated output current of 2.7A at least, and a bypass capacitor of no less than 470µF with low ESR should be used to...

  • Page 25: U)Sim Interface

    Figure 3: Reference Circuit of Power Supply 3.6. (U)SIM Interface EC25 Mini PCIe’s (U)SIM interface circuitry meets ETSI and IMT-2000 requirements. Both 1.8V and 3.0V (U)SIM cards are supported. The following table shows the pin definition of (U)SIM interface. Table 7: Pin Definition of (U)SIM Interface Pin Name Pin No.
  • Page 26 LTE Standard Module Series EC25 Mini PCIe Hardware Design USIM_VDD 100nF Module (U)SIM Card Connector USIM_VDD USIM_RST USIM_CLK USIM_PRESENCE USIM_DATA 33pF 33pF 33pF Figure 4: Reference Circuit of (U)SIM Interface with an 8-pin (U)SIM Card Connector If (U)SIM card detection function is not needed, please keep USIM_PRESENCE unconnected. A reference circuit for (U)SIM interface with a 6-pin (U)SIM card connector is illustrated in the following figure.

  • Page 27: Usb Interface

    (U)SIM card connector. 3.7. USB Interface EC25 Mini PCIe provides one integrated Universal Serial Bus (USB) interface which complies with USB 2.0 specification. It can only be used as a slave device. Meanwhile, it supports high speed (480Mbps) mode and full speed (12Mbps) mode.

  • Page 28: Uart Interfaces

    LTE Standard Module Series EC25 Mini PCIe Hardware Design Test Points Minimize these stubs Module NM_0R NM_0R USB_DM USB_DM USB_DP USB_DP ESD Array Close to Module Figure 6: Reference Circuit of USB Interface A common mode choke L1 is recommended to be added in series between the module and customer’s MCU in order to suppress EMI spurious transmission.

  • Page 29: Coex Uart Interface

    LTE Standard Module Series EC25 Mini PCIe Hardware Design The following table shows the pin definition of the main UART interface. Table 9: Pin Definition of Main UART Interface Pin Name Pin No. Power Domain Description UART_RX 3.3V UART receive data UART_TX 3.3V...

  • Page 30: Pcm And I2C Interfaces

    I2C serial clock. I2C_SCL 1.8V Require external pull-up to 1.8V. I2C serial data. I2C_SDA 1.8V Require external pull-up to 1.8V. EC25 Mini PCIe provides one PCM digital interface, which supports 16-bit linear data format and the following modes: EC25_Mini_PCIe_Hardware_Design 29 / 79...
  • Page 31 LTE Standard Module Series EC25 Mini PCIe Hardware Design  Primary mode (short frame synchronization, works as either master or slave)  Auxiliary mode (long frame synchronization, works as master only)  NOTE The digital audio (PCM) function is only supported on Telematics version.
  • Page 32 LTE Standard Module Series EC25 Mini PCIe Hardware Design 125us PCM_CLK PCM_SYNC PCM_DOUT PCM_DIN Figure 9: Timing in Auxiliary Mode Clock and mode can be configured by AT command, and the default configuration is master mode using short frame synchronization format with 2048kHz PCM_CLK and 8kHz PCM_SYNC. In addition, EC25 Mini PCIe’s firmware has integrated the configuration on some PCM codec’s application with I2C interface.

  • Page 33: Control And Indication Signals

    LTE Standard Module Series EC25 Mini PCIe Hardware Design 3.10. Control and Indication Signals The following table shows the pin definition of control and indication signals. Table 12: Pin Definition of Control and Indication Signals Pin Name Pin No. Power Domain Description 3.3V...

  • Page 34: Dtr Signal

    Chapter 3.4.1. 3.10.3. W_DISABLE# Signal EC25 Mini PCIe provides a W_DISABLE# signal to disable or enable the RF function (excluding GNSS). The W_DISABLE# pin is pulled up by default. Its control function for airplane mode is disabled by default, and AT+QCFG=“airplanecontrol”,1 can be used to enable the function.

  • Page 35: Led_Wwan# Signal

    3.10.5. LED_WWAN# Signal The LED_WWAN# signal of EC25 Mini PCIe is used to indicate the network status of the module, and can absorb a current up to 40mA. According to the following circuit, in order to reduce the current of the LED, a resistor must be placed in series with the LED.

  • Page 36: Wake# Signal

    LTE Standard Module Series EC25 Mini PCIe Hardware Design Table 15: Indications of Network Status (AT+QCFG="ledmode",0, Default Setting) Pin Status Description Flicker slowly (200ms Low/1800ms High) Network searching Flicker slowly (1800ms Low/200ms High) Idle Flicker quickly (125ms Low/125ms High) Data transfer is ongoing...

  • Page 37: Gnss Receiver

    NMEA-0183 protocol, and outputs NMEA sentences at 1Hz data update rate via USB interface by default. By default, EC25 Mini PCIe GNSS engine is switched off. It has to be switched on via AT command. For more details about GNSS engine technology and configurations, please refer to document [3].

  • Page 38: Gnss Frequency

    Cold start sensitivity: the minimum GNSS signal power at which the module can fix position successfully within 3 minutes after executing cold start command. 4.3. GNSS Frequency The following table shows the GNSS frequency of EC25 Mini PCIe. Table 18: GNSS Frequency Type...

  • Page 39: Antenna Connection

    Antenna Connection 5.1. Antenna Connectors EC25 Mini PCIe is mounted with three antenna connectors for external antenna connection: a main antenna connector, an Rx-diversity antenna connector, and a GNSS antenna connector. And Rx-diversity function is enabled by default. The impedance of the antenna connectors is 50Ω.
  • Page 40 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD B3 1710~1785 1805~1880 LTE-FDD B4 1710~1755 2110~2155 LTE-FDD B5 824~849 869~894 LTE-FDD B7 2500~2570 2620~2690 LTE-FDD B8 880~915 925~960 LTE-FDD B12 699~716 729~746 LTE-FDD B13 777~787 746~756 LTE-FDD B14 788~798...

  • Page 41: Antenna Requirements

    LTE Standard Module Series EC25 Mini PCIe Hardware Design 5.2. Antenna Requirements The following table shows the requirements on main antenna, Rx-diversity antenna and GNSS antenna. Table 20: Antenna Requirements Type Requirements Frequency range: 1559MHz~1609MHz Polarization: RHCP or linear VSWR: < 2 (Typ.) GNSS Passive antenna gain: >...

  • Page 42: Recommended Mating Plugs For Antenna Connection

    EC25 Mini PCIe Hardware Design 5.3. Recommended Mating Plugs for Antenna Connection EC25 Mini PCIe is mounted with RF connectors (receptacles) for convenient antenna connection. The dimensions of the antenna connectors are shown as below. Figure 15: Dimensions of the Receptacle RF Connectors (Unit: mm) U.FL-LP mating plugs listed in the following figure can be used to match the receptacles.
  • Page 43 LTE Standard Module Series EC25 Mini PCIe Hardware Design The following figure describes the space factor of mating plugs. Figure 17: Space Factor of Mating Plugs (Unit: mm) For more details of the recommended mating plugs, please visit http://www.hirose.com. EC25_Mini_PCIe_Hardware_Design...

  • Page 44: Electrical, Reliability And Radio Characteristics

    Thermal consideration 6.2. Power Supply Requirements The input voltage of EC25 Mini PCIe is 3.0V~3.6V, as specified by PCI Express Mini CEM Specifications 1.2. The following table shows the power supply requirements of EC25 Mini PCIe. Table 21: Power Supply Requirements...

  • Page 45: I/O Requirements

    The maximum voltage value of V for PERST# signal and W_DISABLE# signal is 0.5V. 6.4. RF Characteristics The following tables show the conducted RF output power and receiving sensitivity of EC25 Mini PCIe module. Table 23: Conducted RF Output Power of EC25 Mini PCIe Frequency Bands Max.
  • Page 46 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD bands 23dBm± 2dB < -39dBm LTE-TDD bands 23dBm± 2dB < -39dBm Table 24: Conducted RF Receiving Sensitivity of EC25-A Mini PCIe Frequency Bands Primary Diversity SIMO 3GPP (SIMO) WCDMA B2 -110.0dBm...
  • Page 47 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD B4 (10MHz) -97.7dBm -97.4dBm -100.2dBm -96.3dBm LTE-FDD B5 (10MHz) -98.0dBm -98.2dBm -101.0dBm -94.3dBm LTE-FDD B7 (10MHz) -97.7dBm -97.7dBm -101.2dBm -94.3dBm LTE-FDD B8 (10MHz) -99.2dBm -98.2dBm -102.2dBm -93.3dBm LTE-FDD B28 (10MHz) -98.6dBm...
  • Page 48 LTE Standard Module Series EC25 Mini PCIe Hardware Design WCDMA B1 -110.5dBm -106.7dBm WCDMA B5 -110.5dBm -104.7dBm WCDMA B8 -110.5dBm -103.7dBm LTE-FDD B1 (10MHz) -98.0dBm -98.0dBm -101.5dBm -96.3dBm LTE-FDD B3 (10MHz) -96.5dBm -98.5dBm -101.5dBm -93.3dBm LTE-FDD B5 (10MHz) -98.0dBm -98.5dBm -101.0dBm...
  • Page 49 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD B5 (10MHz) -98.0dBm -98.5dBm -100.5dBm -94.3dBm LTE-FDD B12 (10MHz) -99.0dBm -99.5dBm -100.5dBm -93.3dBm LTE-FDD B13 (10MHz) -98.5dBm -99.5dBm -100.7dBm -93.3dBm LTE-FDD B14 (10MHz) -99.4dBm -99.5dBm -100.9dBm -93.3dBm LTE-FDD B66 (10MHz) -97.5dBm...
  • Page 50 LTE Standard Module Series EC25 Mini PCIe Hardware Design WCDMA B1 -110dBm -109dBm -106.7dBm WCDMA B8 -110dBm -111dBm -103.7dBm LTE-FDD B1 (10MHz) -98.2dBm -99.0dBm -101.2dBm -96.3dBm LTE-FDD B3 (10MHz) -97.7dBm -99.8dBm -101.0dBm -93.3dBm LTE-FDD B7 (10MHz) -96.7dBm -98.5dBm -100.2dBm -94.3dBm LTE-FDD B8 (10MHz) -98.2dBm...
  • Page 51 LTE Standard Module Series EC25 Mini PCIe Hardware Design Table 33: Conducted RF Receiving Sensitivity of EC25-EUX Mini PCIe Frequency Bands Primary Diversity SIMO 3GPP (SIMO) EGSM900 -109.0dBm -102.0dBm DCS1800 -109.0dBm -102.0dbm WCDMA B1 -110.5dBm -106.7dBm WCDMA B8 -110.5dBm -103.7dBm LTE-FDD B1 (10MHz) -98.0dBm...
  • Page 52 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD B28 (10MHz) -97.2dBm -99.3dBm -101.7dBm -94.8dBm LTE-FDD B66 (10MHz) -97.2dBm -98.4dBm -101.2dBm -95.8dBm Table 35: Conducted RF Receiving Sensitivity of EC25-AUX Mini PCIe Frequency Bands Primary Diversity SIMO 3GPP (SIMO) GSM850 -109.0dBm...

  • Page 53: Esd Characteristics

    +/-8 (U)SIM Interface +/-4 +/-8 Others +/-0.5 +/-1 6.6. Current Consumption The following tables describe the current consumption of EC25 Mini PCIe series module. Table 37: Current Consumption of EC25-A Mini PCIe Parameter Description Conditions Typ. Unit AT+CFUN=0 (USB disconnected)
  • Page 54 LTE Standard Module Series EC25 Mini PCIe Hardware Design WCDMA PF=64 (USB disconnected) 27.0 WCDMA PF=64 (USB connected) 40.0 Idle state LTE-FDD PF=64 (USB disconnected) 43.0 LTE-FDD PF=64 (USB connected) 59.0 WCDMA B2 HSDPA @22.63dBm 764.0 WCDMA B2 HSUPA @23.19dBm 741.0...
  • Page 55 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD PF=128 (USB disconnected) LTE-TDD PF=64 (USB disconnected) LTE-TDD PF=128 (USB disconnected) GSM DRX=5 (USB disconnected) 22.0 GSM DRX=5 (USB connected) 34.0 WCDMA PF=64 (USB disconnected) 22.0 WCDMA PF=64 (USB connected) 33.0...
  • Page 56 LTE Standard Module Series EC25 Mini PCIe Hardware Design PCS1900 3UL/2DL @29.32dBm 367.0 PCS1900 4UL/1DL @29.19dBm 465.0 EGSM900 4DL/1UL @27.54dBm 264.0 EGSM900 3DL/2UL @27.38dBm 368.0 EGSM900 2DL/3UL @27.27dBm 498.0 EGSM900 1DL/4UL @27.17dBm 634.0 DCS1800 4DL/1UL @27.64dBm 223.0 DCS1800 3DL/2UL @27.45dBm 333.0...
  • Page 57 LTE Standard Module Series EC25 Mini PCIe Hardware Design WCDMA B8 HSUPA @21.07dBm 634.0 LTE-FDD B1 @23.28dBm 817.0 LTE-FDD B2 @23.34dBm 803.0 LTE-FDD B3 @23.2dBm 785.0 LTE-FDD B4 @22.9dBm 774.0 LTE data transfer LTE-FDD B5 @23.45dBm 687.0 (GNSS OFF) LTE-FDD B7 @22.84dBm 843.0...
  • Page 58 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD PF=128 (USB disconnected) LTE-TDD PF=64 (USB disconnected) LTE-TDD PF=128 (USB disconnected) WCDMA PF=64 (USB disconnected) 31.5 WCDMA PF=64 (USB connected) 43.5 LTE-FDD PF=64 (USB disconnected) 32.3 Idle state LTE-FDD PF=64 (USB connected) 45.4...
  • Page 59 LTE Standard Module Series EC25 Mini PCIe Hardware Design voice call WCDMA B6 @23.36dBm 692.3 WCDMA B8 @23.54dBm 763.9 WCDMA B19 @23.29dBm 682.1 Table 40: Current Consumption of EC25-E Mini PCIe Parameter Description Conditions Typ. Unit AT+CFUN=0 (USB disconnected) GSM DRX=2 (USB disconnected)
  • Page 60 LTE Standard Module Series EC25 Mini PCIe Hardware Design EGSM900 2DL/3UL @29.86dBm 706.0 EGSM900 1DL/4UL @29.44dBm 767.0 DCS1800 4DL/1UL @30.39dBm 262.0 DCS1800 3DL/2UL @30.19dBm 417.0 DCS1800 2DL/3UL @30.02dBm 564.0 DCS1800 1DL/4UL @29.86dBm 709.0 EGSM900 4DL/1UL @27.59dBm 233.0 EGSM900 3DL/2UL @27.45dBm 370.0...
  • Page 61 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD B20 @22.51dBm 946.0 LTE-TDD B38 @22.58dBm 686.0 LTE-TDD B40 @22.31dBm 576.0 LTE-TDD B41 @22.03dBm 611.0 EGSM900 PCL=5 @33.31dBm 367.0 voice call DCS1800 PCL=0 @29.48dBm 248.0 WCDMA B1 @23.18dBm 868.0 WCDMA voice WCDMA B5 @22.62dBm...
  • Page 62 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD PF=64 (USB disconnected) LTE-FDD PF=128 (USB disconnected) WCDMA PF=64 (USB disconnected) 21.7 WCDMA PF=64 (USB connected) 32.5 Idle state LTE-FDD PF=64 (USB disconnected) 25.0 LTE-FDD PF=64 (USB connected) 38.0 WCDMA B2 HSDPA @22.63dBm 560.0...
  • Page 63 LTE Standard Module Series EC25 Mini PCIe Hardware Design Table 43: Current Consumption of EC25-EUX Mini PCIe Parameter Description Conditions Typ. Unit μA OFF state Power down AT+CFUN=0 (USB disconnected) 0.96 GSM DRX=2 (USB disconnected) 2.14 GSM DRX=9 (USB disconnected) 1.49...
  • Page 64 LTE Standard Module Series EC25 Mini PCIe Hardware Design DCS1800 3DL/2UL @29.24dBm 245.0 DCS1800 2DL/3UL @27.15dBm 337.0 DCS1800 1DL/4UL @25.88dBm 427.0 EGSM900 4DL/1UL PCL=8 @26.60dBm 170.0 EGSM900 3DL/2UL PCL=8 @25.43dBm 205.0 EGSM900 2DL/3UL PCL=8 @23.4dBm 280.0 EDGE data EGSM900 1DL/4UL PCL=8 @22.36dBm 348.0...
  • Page 65 LTE Standard Module Series EC25 Mini PCIe Hardware Design voice call DCS1800 PCL=0 @30.23dBm 178.0 WCDMA B1 @23.88dBm 533.0 WCDMA voice call WCDMA B8 @23.8dBm 506.0 Table 44: Current Consumption of EC25-AFX Mini PCIe Parameter Description Conditions Typ. Unit AT+CFUN=0 (USB disconnected) 1.67...
  • Page 66 LTE Standard Module Series EC25 Mini PCIe Hardware Design WCDMA B5 HSDPA @22.02dBm 618.0 WCDMA B5 HSUPA @22.10dBm 634.0 LTE-FDD B2 @23.01dBm 743.0 LTE-FDD B4 @22.58dBm 816.0 LTE-FDD B5 @23.2dBm 751.0 LTE data LTE-FDD B12 @22.94dBm 825.0 transfer LTE-FDD B13 @23.18dBm 815.0...
  • Page 67 LTE Standard Module Series EC25 Mini PCIe Hardware Design LTE-FDD PF=128 (USB disconnected) 2.55 LTE-FDD PF=256 (USB disconnected) 2.38 WCDMA PF=64 (USB disconnected) 20.0 WCDMA PF=64 (USB connected) 41.1 Idle state LTE-FDD PF=64 (USB disconnected) 20.5 LTE-FDD PF=64 (USB connected) 40.7...
  • Page 68 LTE Standard Module Series EC25 Mini PCIe Hardware Design Table 46: Current Consumption of EC25-AUX Mini PCIe Parameter Description Conditions Typ. Unit AT+CFUN=0 (USB disconnected) GSM DRX=2 (USB disconnected) GSM DRX=9 (USB disconnected) WCDMA PF=64 (USB disconnected) Sleep state WCDMA PF=128 (USB disconnected)
  • Page 69 LTE Standard Module Series EC25 Mini PCIe Hardware Design EGSM900 2DL/3UL @29.90dBm 631.4 EGSM900 1DL/4UL @28.70dBm 725.3 DCS1800 4DL/1UL @30.02dBm 221.8 DCS1800 3DL/2UL @29.12dBm 319.6 DCS1800 2DL/3UL @26.98dBm 384.8 DCS1800 1DL/4UL @25.80dBm 468.3 PCS1900 4DL/1UL @30.22dBm 243.2 PCS1900 3DL/2UL @28.93dBm 336.9...
  • Page 70 LTE Standard Module Series EC25 Mini PCIe Hardware Design PCS1900 1DL/4UL @22.73dBm 510.1 WCDMA B1 HSDPA @21.54dBm 679.4 WCDMA B1 HSUPA @21.82dBm 721.1 WCDMA B2 HSDPA @22.10dBm 723.0 WCDMA data WCDMA B2 HSUPA @21.84dBm 708.6 transfer WCDMA B5 HSDPA @23.27dBm 672.6...
  • Page 71 LTE Standard Module Series EC25 Mini PCIe Hardware Design WCDMA B8 @22.65dBm 739.7 Table 47: Current Consumption of EC25-EU Mini PCIe Parameter Description Conditions Typ. Unit AT+CFUN=0 (USB disconnected) GSM DRX=2 (USB disconnected) GSM DRX=9 (USB disconnected) WCDMA PF=64 (USB disconnected)
  • Page 72 LTE Standard Module Series EC25 Mini PCIe Hardware Design DCS1800 4DL/1UL @29.63dBm 236.0 DCS1800 3DL/2UL @28.59dBm 343.0 DCS1800 2DL/3UL @26.62dBm 413.0 DCS1800 1DL/4UL @25.29dBm 498.0 EGSM900 4DL/1UL @27.51dBm 234.0 EGSM900 3DL/2UL @27.23dBm 372.0 EGSM900 2DL/3UL @27.08dBm 501.0 EDGE data EGSM900 1DL/4UL @26.81dBm 628.0...

  • Page 73: Thermal Consideration

    DCS1800 PCL=0 @29.51dBm 221.0 WCDMA B1 @22.96dBm 829.5 WCDMA voice call WCDMA B8 @23.21dBm 752.9 Table 48: GNSS Current Consumption of EC25 Mini PCIe Series Module Parameter Description Conditions Typ. Unit Cold start @Passive Antenna 75.0 Searching (AT+CFUN=0) Lost state @Passive Antenna 74.0...
  • Page 74 LTE Standard Module Series EC25 Mini PCIe Hardware Design The following figure shows the referenced heatsink design. Thermal Pad Thermal Pad EC25 Mini PCIe Heatsink Heatsink EC25 Module Shielding Cover PCI Express Mini Card Connector Application Board Application Board Figure 18: Referenced Heatsink Design NOTES The module offers the best performance when the internal BB chip stays below 105°...

  • Page 75: Dimensions And Packaging

    2.35± 0.10 50.95± 0.15 34.30± 0.20 48.05± 0.20 1.40± 0.10 4.90± 0.20 9.90± 0.10 7.26± 0.10 10.35± 0.10 4.00± 0.10 1.00± 0.10 Pin1 Pin51 Top View Side View Figure 19: Mechanical Dimensions of EC25 Mini PCIe EC25_Mini_PCIe_Hardware_Design 74 / 79...

  • Page 76: Standard Dimensions Of Mini Pci Express

    LTE Standard Module Series EC25 Mini PCIe Hardware Design 7.3. Standard Dimensions of Mini PCI Express The following figure shows the standard dimensions of Mini PCI Express. Please refer to document [1] for Detail A and Detail B. Figure 20: Standard Dimensions of Mini PCI Express...

  • Page 77: Packaging Specifications

    [1]. The following figure takes the Molex 679105700 as an example. Figure 21: Dimensions of the Mini PCI Express Connector (Molex 679105700) 7.4. Packaging Specifications EC25 Mini PCIe modules are packaged in a tray. Each tray contains 10 modules. The smallest package of EC25 Mini PCIe contains 100 modules. EC25_Mini_PCIe_Hardware_Design...

  • Page 78: Appendix A References

    LTE Standard Module Series EC25 Mini PCIe Hardware Design Appendix A References Table 49: Related Documents Document Name Remark PCI Express Mini Card Electromechanical PCI Express Mini Card Specification Revision 1.2 Electromechanical Specification Quectel_LTE_Standard_AT_Commands_ AT commands manual for LTE Standard...
  • Page 79 LTE Standard Module Series EC25 Mini PCIe Hardware Design Electro Magnetic Interference Electrostatic Discharge Equivalent Series Resistance Frequency Division Duplexing Full Rate GLObalnaya Navigatsionnaya Sputnikovaya Sistema, the Russian Global GLONASS Navigation Satellite System GMSK Gaussian Minimum Shift Keying GNSS Global Navigation Satellite System...
  • Page 80 LTE Standard Module Series EC25 Mini PCIe Hardware Design Personal Digital Assistant Protocol Data Unit Point of Sale Point-to-Point Protocol Radio Frequency Ready To Send Receive SIMO Single Input Multiple Output Short Message Service Transmitting Direction Transient Voltage Suppressor UART Universal Asynchronous Receiver &...

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