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MG2639 User Manual
Version:V1.0

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Summary of Contents for Zte MG2639

  • Page 1 MG2639 User Manual Version:V1.0...
  • Page 3 ZTE Corporation. All other trademarks appeared in this manual are owned by the relevant companies. ZTE Corporation reserves the right to make modifications on print errors or update specifications in this manual without prior notice.
  • Page 4 Release for the first MG2639 V1.0 time Author Document Date Written by Checked by Approved by version 2011-8-22 Zhou Tao This document is not allowed to transmit without ZTE 第 II 页 ©ZTE CORPORATION All rights reserved Corporation’s permission.
  • Page 5 3. Provide evaluations and technical diagnosis for principle diagram, PCB, test scenarios; 4. Provide test environment; ZTE Corporation provides customers with onsite supports, and also you could get supports through telephone, website, instant communication, E-mail, etc. This document is not allowed to transmit without ZTE Corporation’s...
  • Page 6 Preface Summary This document introduces MG2639 module’s product principle diagram, PINs, hardware interface and module’s mechanical design, which can instruct the users how to quickly and conveniently design different kinds of wireless terminals based on this type of module. Target Readers...
  • Page 7: Table Of Contents

    PCB DIMENSIONS ....................16  6  ANTENNA INTERFACE ....................16  6.1  ANTENNA INSTALLATION .................. 17  6.2  ANTENNA PAD ....................17  6.3  ANTENNA CONNECTOR ..................17  This document is not allowed to transmit without ZTE Corporation’s 第 V 页 permission. ©ZTE CORPORATION All rights reserved...
  • Page 8 6.4.3  ANTENNA GAIN MAXIMUM REQUIREMENTS ......... 19  6.4.4  ANTENNA MATCHING ................19  6.4.5  PCB DESIGN CONSIDERATIONS ............. 19  ANTENNA INTERFACE ....................19  7  OEM/INTEGRATORS INSTALLATIONS ..............20  This document is not allowed to transmit without ZTE 第 VI 页 ©ZTE CORPORATION All rights reserved Corporation’s permission.
  • Page 9 Figures Figure 1-1 Module’s principle diagram .................... 2  Figure 2-1 Antenna interface diagram ..................... 6  Figure 5-1 MG2639 module’s appearance ..................15  Figure 5-2 Module’s assembly diagram ..................15  Figure 5-3 Relevant PCB dimensions ................... 16  Tables Table 1-1 Module’s functions ......................1 ...
  • Page 10: General Description Of Module

    Data Features GPRS Class 10 Mobile Station Class B Max Downlink 85.6kbps Max Uplink 42.8kbps Internal TCP/IP&UDP Protocol Embedded FTP SMS Features This document is not allowed to transmit without ZTE Corporation’s 第 1 页 permission. ©ZTE CORPORATION All rights reserved...
  • Page 11: Module's Principle Diagram

    Voice Features Vocoders HR/FR/EFR/AMR Echo Cancellation/Volume Control/DTMF AT Command Set GSM 07.05/GSM 07.07/ZTE Proprietary AT Commands 1.2 Module’s principle diagram The block diagram is used to describe the module’s major logic functions: Figure 1-1 Module’s principle diagram This document is not allowed to transmit without ZTE 第...
  • Page 12: Abbreviations

    GPRS Global Standard for Mobile Communications Half Rate Integrated Circuit International Mobile Equipment Identity IMEI International Standards Organization International Telecommunications Union This document is not allowed to transmit without ZTE Corporation’s 第 3 页 permission. ©ZTE CORPORATION All rights reserved...
  • Page 13 Universal asynchronous receiver-transmitter UART User Identifier Management Universal Serial Bus Universal Subscriber Identity Module USIM Voltage Standing Wave Ratio VSWR ZTE Corporation This document is not allowed to transmit without ZTE 第 4 页 ©ZTE CORPORATION All rights reserved Corporation’s permission.
  • Page 14: Descriptions Of Module's External Interfaces

    3Hz -Idle status: LED blinks at 1Hz -Traffic status (call, data): LED blinks at 5Hz. Request to send This document is not allowed to transmit without ZTE Corporation’s 第 5 页 permission. ©ZTE CORPORATION All rights reserved...
  • Page 15: Antenna Interface

    _WAKEUP Data set ready V_MSM 2.8V 2.2 Antenna interface MG2639 module provides two kinds of antenna interface:  PCB welding pad  Antenna test socket PCB welding pad adopts 50Ω RF shield cable to connect the module and the antenna, in order to reduce the cost.
  • Page 16 This document is not allowed to transmit without ZTE Corporation’s 第 7 页 permission. ©ZTE CORPORATION All rights reserved...
  • Page 17: Module's Electrical Characteristics

    Min: 2.7V, typical: 2.8V) through 4.7K resistor inside the module, and pull down 0.1uF capacitance to GMD filtering, and it’s required to externally connect dynatron driver. MG2639 module provides 1CH serial interface, supports 8-wire serial BUS interface or 4-wire serial BUS interface or 2-wire serial interface. The module communicates with the external devices and inputs AT commands through UART interface.
  • Page 18: Audio Interface

    3.1.3 Audio Interface MG2639 module supports 2CH audio signal inputs/outputs. It features in handheld microphone, handheld receiver or hands-free speaker and earpiece microphone/receiver function. These two MIC inputs are coupled in AC domain and the offset voltage is added inside, and they should directly connect with the receiver.
  • Page 19: Module Power Consumption

    Talk current 128mA 3.3 Reliability Characteristics It describes the temperature, including working temperature and storage temperature. Working temperature: -30°C~+75°C Storage temperature: -40°C~+85°C This document is not allowed to transmit without ZTE 第 10 页 ©ZTE CORPORATION All rights reserved Corporation’s permission.
  • Page 20: Interface Circuit Design

    RF performance. Finally, select the power cables with at least 80mil traces during the layout and keep the integrality of ground line. If MG2639 module uses other LDO, make sure the output current is larger than 2A. ...
  • Page 21: Uart Interface

    Note: when using the module for overall design, the users should export UART for module’s software upgrade. MG2639 module provides an integrated full duplex UART interface and an accessorial full duplex UART interface, whose maximal data rate is 115200bps. External interface is 2.8VCMOS level signal, their logic functions conform to RS-232 interface standard.
  • Page 22: Sim Card Interface

    Remarks: the module doesn’t support USB. 4.3 SIM card interface MG2639 module supports 1.8V or 3V SIM card, and there are 4 pins at the terminal of the card. V_CARD is used to supply SIM card. It’s strongly recommended to add ESD to protect SIM card in hostile environments.
  • Page 23: Audio Interface

    4.4 Audio interface MG2639 module provides audio input and output interfaces through its PINs. There are 2 Speaker interfaces and 2 Microphone interfaces. Only one pair I/O works at the same time. See the audio interface circuit in figure 4-5.
  • Page 24: Mechanical Dimensions

    Mechanical dimensions It introduces the module’s mechanical dimensions. 5.1 Appearance Diagram Figure 5-1 MG2639 module’s appearance  Dimensions(L×W×H):30.0×25.0×2.68mm  Weight:7g 5.2 Module Assembly Diagram See the module assembly diagram in figure 5.2. Figure 5-2 Module’s assembly diagram This document is not allowed to transmit without ZTE Corporation’s...
  • Page 25: Pcb Dimensions

    2) For the convenience of testing and maintenance, it might be necessary to drill holes on the PCB. Antenna Interface The RF interface of the MG2639 Module has an impedance of 50 . The module is capable of sustaining a total mismatch at the antenna connector or pad without any damage, even when transmitting at maximum RF power.
  • Page 26: Antenna Installation

    The antenna pad of the module is soldered to the board on the customer design to connect with RF line. For proper grounding connect the RF line to the ground plane on the bottom of the MG2639 Module which must be connected to the ground plane of the application.
  • Page 27: Antenna Subsystem

    Choice of the antenna cable (type, length, performance, RF loss, etc) and antenna connector (type + losses) can have a major impact on the success of the design. This document is not allowed to transmit without ZTE 第 18 页 ©ZTE CORPORATION All rights reserved Corporation’s permission.
  • Page 28: Cable Loss

    Generally, the larger gain in the band and smaller outside the band, the better performance the antenna has. Isolation degree among ports must more than 30dB when multi-ports antenna is used. For example, between This document is not allowed to transmit without ZTE Corporation’s 第 19 页 permission. ©ZTE CORPORATION All rights reserved...
  • Page 29: Oem/Integrators Installations

    3. The MG2639 Module and its antenna must not be co-located or operating in conjunction with any other transmitter or antenna within a host device. 4. A label must be affixed to the outside of the end product into which the MG2639 Module is incorporated, with a statement similar to the following:·ForMG2639: This device contains FCC ID: Q78-MG2639.
  • Page 30 8. EU Regulatory Conformance Hereby, ZTE CORPORATION declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. For the declaration of conformity, visit the Web site www.zte.com This document is not allowed to transmit without ZTE Corporation’s...

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