Q78-MG2639GSM/GPRS Module

MG2639 User Manual Version：V1.0 This document is not allowed to transmit without ZTE Corporation’s permission. ©ZTE CORPORATION All rights reserved 第I页 Copyright Statement Copyright © 2010 by ZTE Corporation All rights reserved. No part of this publication may be excerpted, reproduced, translated or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without the prior written permission of ZTE Corporation. is the registered trademark of 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. ZTE Corporation keeps the right to make the final explanation to this manual. 第II页 ©ZTE CORPORATION All rights reserved This document is not allowed to transmit without ZTE Corporation’s permission. Descriptions of version update Product version Document version Document No. Descriptions of document update MG2639 V1.0 Release for the first time Author Document version Date Written by Checked by Approved by 1.0 2011-8-22 Zhou Tao This document is not allowed to transmit without ZTE Corporation’s permission. ©ZTE CORPORATION All rights reserved 第III页 With strong technical force, ZTE Corporation can provide CDMA/GPRS/WCDMA module customers with the following all-around technical support: 1. Provide complete technical documentation; 2. Provide the development board used for R&D, test, production, after-sales, etc.; 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. 第IV页 ©ZTE CORPORATION All rights reserved This document is not allowed to transmit without ZTE Corporation’s permission. 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 This document mainly applies to the following engineers:  System designing engineers  Mechanical engineers  Hardware engineers  Software engineers  Test engineers This document is not allowed to transmit without ZTE Corporation’s permission. ©ZTE CORPORATION All rights reserved 第V页 Contents 1 GENERAL DESCRIPTION OF MODULE ........................................................................ 1 1.1 INTRODUCTION OF MODULE’S FUNCTIONS ..................................................... 1 1.2 MODULE’S PRINCIPLE DIAGRAM ....................................................................... 2 1.3 ABBREVIATIONS ................................................................................................... 3 2 DESCRIPTIONS OF MODULE’S EXTERNAL INTERFACES ........................................ 5 2.1 DEFINITIONS OF MODULE’S INTERFACES ........................................................ 5 2.2 ANTENNA INTERFACE ......................................................................................... 6 3 MODULE’S ELECTRICAL CHARACTERISTICS ........................................................... 8 3.1 DESCRIPTIONS OF LEVELS OF INTERFACE SIGNALS ..................................... 8 3.1.1 RESET .......................................................................................................... 8 3.1.2 SIM CARD INTERFACE ............................................................................... 8 3.1.3 AUDIO INTERFACE ..................................................................................... 9 3.1.4 NETWORK SIGNAL INDICATION ................................................................ 9 3.2 MODULE POWER CONSUMPTION .................................................................... 10 3.3 RELIABILITY CHARACTERISTICS ..................................................................... 10 4 INTERFACE CIRCUIT DESIGN .................................................................................... 11 4.1 RESET AND POWER DESIGN ............................................................................ 11 4.2 UART INTERFACE ............................................................................................... 12 4.3 SIM CARD INTERFACE ....................................................................................... 13 4.4 AUDIO INTERFACE ............................................................................................. 14 5 MECHANICAL DIMENSIONS ....................................................................................... 15 5.1 APPEARANCE DIAGRAM ................................................................................... 15 5.2 MODULE ASSEMBLY DIAGRAM ........................................................................ 15 5.3 PCB DIMENSIONS .............................................................................................. 16 6 ANTENNA INTERFACE ................................................................................................ 16 6.1 ANTENNA INSTALLATION .................................................................................. 17 6.2 ANTENNA PAD .................................................................................................... 17 6.3 ANTENNA CONNECTOR .................................................................................... 17 第VI页 ©ZTE CORPORATION All rights reserved This document is not allowed to transmit without ZTE Corporation’s permission. 6.4 ANTENNA SUBSYSTEM ..................................................................................... 18 6.4.1 ANTENNA SPECIFICATIONS .................................................................... 18 6.4.2 CABLE LOSS..................................................................................…

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Date: March 9, 2012 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 RE: ZTE Corporation FCC ID: Q78-MG2639 FCC Part 22&24 Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. ZTE Corporation requests that the following documents regarding this submission for FCC ID: MG2639 be kept confidential: Exhibit Type File Name Block Diagram Q78-MG2639_Block Diagram.pdf Schematics Q78-MG2639_Schematics.pdf Operational Description Q78-MG2639_Operational Description.pdf Part list Q78-MG2639_BOM.pdf Tune up Procedure Q78-MG2639_Tune up Procedure.pdf Those documents contain detailed system and equipment description and related information about the product which ZTE Corporation considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Since this design is a basis from which future technological products will evolve, ZTE Corporation considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Thank you for your attention to this matter. Yours Sincerely, Royce Wang ZTE product approval manager

Date: March 9, 2012 To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: The ZTE Corporation, the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen Morlab Communications Technology Co., Ltd., to act on the behalf of the ZTE Corporation solely in matters relating to the application for an FCC equipment authorization for FCC ID: Q78-MG2639 including the signing of documents in connection with this Application. Necessary acts carried out by ZTE Corporation on our behalf of the ZTE Corporation in connection with the Application shall have the same effect as acts of the ZTE Corporation. The ZTE Corporation also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Thank you for your attention to this matter. Yours Sincerely, Royce Wang ZTE product approval manager

Request for Modular Approval FCC ID: Q78‐MG2639 Item Requirements EUT 1 Have its own RF shielding Device is equipped with metal shielding to cover RF section. Refer to external and internal photos. 2 Have buffered modulation/data inputs (if such inputs are provided) All inputs to the modules are buffered through logic and microprocessor inputs 3 Have its own power supply regulation Module chipset incorporates voltage regulation to transceiver circuitry 4 Meet the antenna requirements of section 15.203 The device contains a unique antenna connector, and the maximum antenna gain in both 850MHz and 1900MHz is 2dBi. 5 Demonstrate compliance in a stand‐alone configuration Device is tested in a test fixture in a standalone configuration 6 The licensed module must have a FCC ID label on the module itself. That FCC ID label must be visible through a window on the final device or it must be visible when an access panel, door or cover is easily removed. If not, a second label must be placed on the outside of the final device that contains the following text: Contains “FCC ID: Q78‐MG2639” FCC ID label format will be included in the filling. Host ID label will be displayed on the host system. 7 The module must comply with all specific rules applicable to the transmitter. The grantee must provide comprehensive instructions to explain compliance requirements. Please refer to “User Manual” Exhibit 8 The module must comply with RF exposure requirements. See FCC Rules. Spread Spectrum transmitters must comply with RF exposure limits in 15.247. Compliance with RF exposure requirements is addressed in RF exposure report (MPE). Thank you for your attention to this matter. Yours Sincerely, Royce Wang ZTE product approval manager

To Whom It May Concern: The ZTE Corporation., the undersigned, declared that the model MG2639support Quad-band GSM bands, but GSM 900MHz and 1800MHz bands cannot be used in US. Thank you for your attention to this matter. Yours Sincerely, Royce Wang ZTE product approval manager

Q78-MG2639 External Photos

FCC ID: Q78-MG2639 Label Label Location

Q78-MG2639 External Photos

Project No.: SZ11120158 Page 1 of 2 Prediction of MPE limit at given distance Product Description: GSM/GPRS Module Type: MG2639 1. Introduction Equation from page 18 of OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to the antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna 2. Limits for Maximum Permissible Exposure According to FCC Part 1.1307, systems operating under the provisions of this section shall be operated in a manner the ensures that the public is not exposed to radio frequency energy level in excess of the commission’s guidelines. According to FCC Part 1.1310 RF exposure is calculated. Limits for General Population/ Uncontrolled Exposure Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength(E)(V/m) Magnetic Field Strength (H)(A/m) Power Density (S)(mW/cm 2 ) 0.3-1.34 614 1.63 (100)* 1.34-30 824/f 2.19/f (180/f2)* 30-300 27.5 0.073 0.2 300-1500 f/1500 1500-100,000 1.0 Project No.: SZ11120158 Page 2 of 2 3. Test result GSM 850MHz Maximum peak output power at antenna input terminal(dBm): 32.88 Antenna Gain (typical) (dBi): 2 EIRP(mW): 2286 Prediction distance(cm): 20 Predication frequency(MHz): 836.5 Power density at predication frequency at 20 cm(mW/cm 2 ): 0.388 MPE limit for RF exposure at prediction frequency(mW/cm 2 ): 0.558 GSM 1900MHz Maximum peak output power at antenna input terminal(dBm): 28.21 Antenna Gain (typical) (dBi): 2 EIRP(mW): 1175 Prediction distance(cm): 20 Predication frequency(MHz): 1880 Power density at predication frequency at 20 cm(mW/cm 2 ): 0.132 MPE limit for RF exposure at prediction frequency(mW/cm 2 ): 1.0 4. Conclusion Test result is passed.

SZ11120158W02 Page 2 of 41 DIRECTORY 1. GENERAL INFORMATION .................................................................................................... 3 1.1. EUT Description ....................................................................................................................... 3 1.2. Test Standards and Results ........................................................................................................ 4 1.3. Facilities and Accreditations ..................................................................................................... 5 2. 47 CFR PART 2, PART 22H & 24E REQUIREMENTS ........................................................ 6 2.1. Conducted RF Output Power .................................................................................................... 6 2.2. 99% Occupied Bandwidth ...................................................................................................... 14 2.3. Frequency Stability ................................................................................................................. 18 2.4. Conducted Out of Band Emissions ......................................................................................... 20 2.5. Band Edge ............................................................................................................................... 27 2.6. Transmitter Radiated Power (EIRP/ERP) ............................................................................... 30 2.7. Radiated Out of Band Emissions ............................................................................................ 35 Change History Issue Date Reason for change 1.0 Mar 2, 2012 First edition SZ11120158W02 Page 3 of 41 1. General Information 1.1. EUT Description EUT Type ............................. : GSM Dual-Band GPRS Wireless Data Terminal Serial No. .............................. : (n.a, marked #1 by test site) Hardware Version ................. : QB7211AV1BMB_D Software Version .................. : Applicant .............................. : Manufacturer ........................ : QB7211_31_Z0_C_TSECD313A_05 ZTE Corporation ZTE Plaza, Keji Road South, Hi-Tech, Industrial Park, Nanshan District, Shenzhen, Guangdong, P.R.China ZTE Corporation ZTE Plaza, Keji Road South, Hi-Tech, Industrial Park, Nanshan District, Shenzhen, Guangdong, P.R.China Frequency Range .................. : GSM 850MHz: Tx: 824.20 - 848.80MHz (at intervals of 200kHz); Rx: 869.20 - 893.80MHz (at intervals of 200kHz) GSM 1900MHz: Tx: 1850.20 - 1909.80MHz (at intervals of 200kHz); Rx: 1930.20 - 1989.80MHz (at intervals of 200kHz) Modulation Type .................. : GMSK Multislot Class ...................... : GPRS: Multislot Class12 Emission Designators ........... : 253KGXW Note 1: The transmitter (Tx) frequency arrangement of the Cellular 850MHz band used by the EUT can be represented with the formula F(n)=824.2+0.2*(n-128), 128<=n<=251; the lowest, middle, highest channel numbers (ARFCHs) used and tested in this report are separately 128 (824.2MHz), 190 (836.6MHz) and 251 (848.8MHz). Note 2: The transmitter (Tx) frequency arrangement of the PCS 1900MHz band used by the EUT can be represented with the formula F(n)=1850.2+0.2*(n-512), 512<=n<=810; the lowest, middle and highest channel numbers (ARFCHs) used and tested in this report are separately 512 (1850.2MHz), 661 (1880.0MHz) and 810 (1909.8MHz). Note 3: Note 4: For a more detailed description, please refer to Specification or User’s Manual supplied by the applicant and/or manufacturer. SZ11120158W02 Page 4 of 41 1.2. Test Standards and Results The objective of the report is to perform testing according to 47 CFR Part 2, Part 22 and Part 24 for the EUT FCC ID Certification: No. Identity Document Title 1 47 CFR Part 2 (10-1-09 Edition) Frequency Allocations and Radio Treaty Matters; General Rules and Regulations 2 47 CFR Part 22 (10-1-09 Edition) Public Mobile Services 3 47 CFR Part 24 (10-1-09 Edition) Personal Communications Services Test detailed items/section required by FCC rules and results are as below: No. Section Description Result 1 2.1046 Conducted RF Output Power PASS 2 2.1049 20dB Occupied Bandwidth PASS 3 2.1055 22.355 24.235 Frequency Stability PASS 4 2.1051 2.1057 22.917 24.238 Conducted Out of Band Emissions PASS 5 2.1051 2.1057 22.917 24.238 Band Edge PASS 6 22.913 24.232 Transmitter Radiated Power (EIPR/ERP) PASS 7 2.1053 2.1057 22.917 24.238 Radiated Out of Band Emissions PASS Note: Measurement method according to ANSI/TIA-603-D 2010. SZ11120158W02 Page 5 of 41 1.3. Facilities and Accreditations 1.3.1. Facilities Shenzhen Morlab Communications Technology Co., Ltd. Morlab Laboratory is a testing organization accredited by China National Accreditation Service for Conformity Assessment (CNAS) according to ISO/IEC 17025. The accreditation certificate number is L3572. All measurement facilities used to collect the measurement data are located at 3/F, Electronic Testing Building, Shahe Road, Xili, Nanshan District, Shenzhen, 518055 P. R. China. The test site is constructed in conformance with the requirements of ANSI C63.7, ANSI C63.4 and CISPR Publication 22; the FCC registration number is 741109. 1.3.2. Test Environment Conditions During the measurement, the environmental conditions were within the listed ranges: Temperature (°C): 15 - 35 Relative Humidity (%): 30 -60 Atmospheric Pressure (kPa): 86-106 SZ11120158W02 Page 6 of 41 2. 47 CFR Part 2, Part 22H & 24E Requirements 2.1. Conducted RF Output Power 2.1.1. Requirement According to FCC section 2.1046(a), for transmitters other than single sideband, independent sideband and controlled carrier radiotelephone, power output shall be measured at the RF output terminals when the transmitter is adjusted in accordance with the tune-up procedure to give the values of current and voltage on the circuit elements specified in FCC section 2.1033(c)(8). 2.1.2. Test Description A. Test Setup: The EUT, which is powered b…

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Test Setup Photos 1. CSE 2. RSE