RWDWGM-1898AGSM/GPRS 1900 MHz Phone

Block Diagram Block Diagram OU I secon d ar y speaker VB AT VB AT VB AT LCD I RDA DC/ DC A cce sso r y V5 6 b a ckl ke y OuiR1R2R3R4R5C5C4C3C2C1R e se tl cd Rs l c d Csm i w 1 Ckm i w Dom i w Ali m lcd V5 6 b a ckl cd Si mcl k Si m r st Si m v cc Si m i o Si mcd MI C P MI C N HP P HP N LP HP N BFR X P BFR X N BFTX P BFTX N Cm dvi b Ledr Ledg V5 6 b a ckl cd Tx ir Rx i r Cm di rda vri o Itf la p VR D BBD C V RDB B R e se tl cd Rs l c d Csm i w 1 Ckm i w Dom i w Ali m lcd GND V5 6 b a ckl cd ++ A cce sso r y +VI B VL ED TX D RX D SDVC C In O u t ON/ O FF Hands et Hands et

EXHIBIT C - EUT EXTERNAL PHOTOGRAPHS EUT – Top View I EUT – Top View II EUT – Bottom View I EUT – Bottom View II Antenna View Headset View Cable View Power Adapter – Top View

EXHIBIT A - FCC ID LABELING AND WARNING STATEMENT Proposed FCC ID Label Specifications: Text is black or white in color and is left justified. Labels are silk-screened and shall be “permanently affixed” at a conspicuous location on the EUT. Proposed Label Location on EUT EUT Battery Off View of the EUT/Proposed ID Label Location FCC Warning Statement A FCC Warning Statement is provided in the product manual. FCC ID: RWDWGM-1898A

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS EUT – Battery Off View EUT – Cover Off View EUT – Main Board Component View EUT – Main Board Solder View EUT – Transceiver Component View EUT – Transceiver Solder View EUT Display - Component View EUT Display – Solder View Battery View

Unit of Saint Christophe TMO MOBILE PHONES Manufacturing Test MO 130 Ref. : SCT TMO MOD SPEC 006D Date : 10/30/02 Document . All rights of reproduction and disclosure reserved. Page 2 /73 HISTORY OF REVISION Rev.DateAuthorReason for change A 5/29/2002 Initial document B 7/10/2002 Fast Camp and general purposes frames C 7/25/2002 Chapter 4.3.7 serial link activity Chapter 4.3.9.1 test speaker’s path Chapter 4.3.19.CINT Chapter 4.3.5.LCD Interfaces Chapter 4.3.10.Melody Chip Interface Chapter 4.3.20.SPI Bus D 10/30/2002 Chapter 3 Way to proceed test and tuning during manufacturing stage => general information on embedded software added Chapter 4.3.5 LCD interfaces => contrast tuning frame added Chapter 4.3.7 OUI key => STMA frame described Chapter 4.3.7 Audio => STMA frame’s parameters described, frames to test speaker functionally added Chapter 4.3.19 Generic IT Test => parameters for CINT & OUI key added Added : Chapter 4.3.23.5 Check connection to network Added : Chapter 4.3.24 VBAT : to read VBAT and auto-adjust it Added : Chapter 4.3.25 Reset module Added : Chapter 4.4.3 Reading module code Added : Chapter 4.4.4 Client software version Added : Chapter 4.4.5 Reading CIE code Chapter 4.4.9 Hardware configuration => STMA frame’s parameters for LCD & contrast described, warning added Chapter 5 Test sequence traceability => 32 bytes instead of 10 Added : Chapter 6 Way to use the DllTel.dll file for multidownloading Unit of Saint Christophe TMO MOBILE PHONES Manufacturing Test MO 130 Ref. : SCT TMO MOD SPEC 006D Date : 10/30/02 Document Wonu All rights of reproduction and disclosure reserved. Page 3 /73 TABLE OF CONTENTS 1. OVERVIEW5 1.1Object of this document5 1.2Reference documents5 1.3Terminology5 2. DESIGN REQUIREMENT7 2.1Hardware Interface7 3. WAY TO PROCEED TEST AND TUNING DURING MANUFACTURE STAGE9 3.1Manufacture process10 3.2STMA frames11 3.2.1.1STMA frames principle11 3.2.1.2Overview about STMA frames11 4. DESCRIPTION OF TESTS AND TUNING13 4.1MO130 Interface13 4.2Example of test process equipment16 4.3Basic tests and sequences list17 4.3.1DAI17 4.3.2SWANTANT17 4.3.3ITFLAP17 4.3.4LED control18 4.3.5LCD interfaces20 4.3.6Keyboard interface22 4.3.7OUI key24 4.3.8SIM interface26 4.3.9Audio27 4.3.9.1Test speaker’s path30 4.3.10Melody chip interface34 4.3.11Vibrator interface34 4.3.12V24 interface36 4.3.12.1Full V24 interface36 4.3.12.2Basic serial link37 4.3.13UART interface239 4.3.14IRDA interface40 4.3.15I2C interface43 4.3.16Charger45 4.3.17ON*46 4.3.18ITDATA47 4.3.19GENERIC IT TEST48 4.3.20Spare IO50 Unit of Saint Christophe TMO MOBILE PHONES Manufacturing Test MO 130 Ref. : SCT TMO MOD SPEC 006D Date : 10/30/02 Document WONU All rights of reproduction and disclosure reserved. Page 4 /73 4.3.21SPI bus51 4.3.22ADC / DAC51 4.3.22.1ADC51 4.3.22.2DAC53 4.3.23RF55 4.3.23.1Fast Camp GSM55 4.3.23.2Fast Camp DCS55 4.3.23.3Phone call57 4.3.23.4Call release58 4.3.23.5Check connection to network58 4.3.24VBAT60 4.3.25Reset module62 4.4General purpose frames62 4.4.1Reading of Software release62 4.4.2Reading Module serial number63 4.4.3Client software version63 4.4.4Reading CIE+Combined code64 4.4.5Writing IMEI64 4.4.6Reading IMEI65 4.4.7Hardware configuration65 4.4.8Simulation of a key pressed67 5. TEST SEQUENCE TRACEABILITY69 6. MULTI DOWNLOADING PROCESS70 6.1HarWARE configuration70 6.2SOFTWARE LIBRARY70 6.2.1How calling the function of the DllTel.dll for the multi-downloading Software.70 6.2.1.1Description of AppelTelechITNET function70 6.2.1.2Description of MsgErreur function71 6.2.1.3Error Windows Messages sent by DLLTel.dll file71 6.2.1.4Downloading Sequence71 6.3PERFORMANCES of multi-downloading process72 Unit of Saint Christophe TMO MOBILE PHONES Manufacturing Test MO 130 Ref. : SCT TMO MOD SPEC 006D Date : 10/30/02 Document WONU All rights of reproduction and disclosure reserved. Page 5 /73 1. OVERVIEW 1.1 OBJECT OF THIS DOCUMENT This document represents the mechanical and functional test specification for all products built with the MO130 GSM/GPRS module provided by WONU. It aims at describing: - all functionalities embedded on the software used to proceed the test in manufacturing plants. - Hardware requirements for manufacture test tool - It also gives some examples to help anyone to implement and create the software tests tools. 1.2 REFERENCE DOCUMENTS SCT TMO MASV2 SPEC 14 – MO130 Module for voice centric phone – Preliminary Specification SCT TMO MASV2 SPEC 57 – MO130 Module - Application Note SCT TMO LOG SPEC 0414– Audio parameters setup SCT TMO MOD SPEC 0053 A - MO130 Setting Tool User Manual 1.3 TERMINOLOGY ADCAnalog to Digital Converter AT commandAttention command CTSClear To Send DACDigital to Analog Converter DAIDigital Audio Interface DCSDigital Communications System DSRData Set Ready DTRData Terminal Ready GSMGlobal System for Mobile communication GPRSGeneral Packet Radio Services Unit of Saint Christophe TMO MOBILE PHONES Manufacturing Test MO 130 Ref. : SCT TMO MOD SPEC 006D Date : 10/30/02 Document WONU. All rights of reproduction and disclosure reserved. Page 6 /73 I/OInput / Output IRDAInfra Red Device Application JTAGJoint Test Action Group LCDLiquid Crystal Display LEDLight Emitting Diode MMIMan Machine interface MO130 WONU’s GSM/GPRS module with full mobile functionalities PCSPersonal Communication System RAMRandom Access Memory RFRadio Frequency RIRing Indication RTSReady To Send RXReception SIMSubscriber Identification Module SRAMStatic Random Access Memory STMASystème de Test Matériel Asap TBCTo Be Confirmed TBDTo Be Defined TXTransmission UARTUniversal Asynchronous Receiver and Transmitter 
Unit of Saint Christophe TMO MOBILE PHONES Manufacturing Test MO 130 Ref. : SCT TMO MOD SPEC 006D Date : 10/30/02 Document WONU All rights of reproduction and disclosure reserved. Page 7 /73 2. DESIGN REQUIREMENT This part describes the design requirements related to the test tool which must be developed and installed on customer manufacture facilities in order to perform a…

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Note: This test report is specially limited to the above client company and the product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST or any agency of the U.S. Government. SAR EVALUATION REPORT For WONU TELECOM CO., LTD Room#991, 9F, SunTech City Bldg, 513-15 SangDaeWon-Dong, JungWon-Gu SeongNam, Geonggi-Do, Korea FCC ID: RWDWGM-1898A 2004-08-04 This Report Concerns: Original Report Equipment Type: GPRS/GSM1900 MHz Mobile Phone Test Engineer: Daniel Deng / Report No.: R0407262S Test Date: 2004-07-30 Reviewed By: Ling Zhang/ Prepared By: Bay Area Compliance Laboratory Corporation (BACL) 230 Commercial Street Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732 9164 WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 2 of 79 TABLE OF CONTENTS SUMMARY....................................................................................................................................................................4 1 - REFERENCE ...........................................................................................................................................................5 2 - TESTING EQUIPMENT.........................................................................................................................................6 2.1 EQUIPMENTS LIST & CALIBRATION INFO...............................................................................................................6 2.2 EQUIPMENT CALIBRATION CERTIFICATE...............................................................................................................6 3 - EUT DESCRIPTION .............................................................................................................................................41 4 - SYSTEM TEST CONFIGURATION...................................................................................................................42 4.1 JUSTIFICATION.....................................................................................................................................................42 4.2 EUT EXERCISE PROCEDURE................................................................................................................................42 4.3 EQUIPMENT MODIFICATIONS...............................................................................................................................42 5 – CONDUCTED OUTPUT POWER MEASUREMENTS ...................................................................................43 5.1 PROVISION APPLICABLE.......................................................................................................................................43 5.2 TEST PROCEDURE................................................................................................................................................43 5.3 TEST EQUIPMENT.................................................................................................................................................43 5.4 TEST RESULTS.....................................................................................................................................................43 6 - DOSIMETRIC ASSESSMENT SETUP...............................................................................................................45 6.1 MEASUREMENT SYSTEM DIAGRAM.....................................................................................................................46 6.2. SYSTEM COMPONENTS........................................................................................................................................47 6.3 MEASUREMENT UNCERTAINTY............................................................................................................................51 7 - EVALUATION PROCEDURE.............................................................................................................................52 7.1 SAR EVALUATION PROCEDURE...........................................................................................................................52 7.2 EXPOSURE LIMITS................................................................................................................................................53 7.3 SIMULATED TISSUE LIQUID PARAMETER CONFIRMATION...................................................................................53 7.4 SAR MEASUREMENT...........................................................................................................................................53 7.5 SYSTEM ACCURACY VERIFICATION.....................................................................................................................54 7.6 LIQUID MEASUREMENT RESULT..........................................................................................................................55 8 - SAR TEST RESULTS............................................................................................................................................58 8.1 SAR BODY AND HEAD WORST-CASE TEST DATA...............................................................................................58 8.2 PLOTS OF TEST RESULT.......................................................................................................................................58 EXHIBIT A - SAR SETUP PHOTOGRAPHS .........................................................................................................66 GPRS, BACK SIDE FACE PHANTOM 1.5CM SEPARATION WITH CABLE......................................................................66 GPRS, BACK TOUCH PHANTOM WITH CABLE...........................................................................................................66 GSM, BACK SIDE FACE PHANTOM 1.5CM SEPARATION WITH HEADSET...............…

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WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 41 of 79 3 - EUT DESCRIPTION Applicant: WONU TELECOM CO., LTD Product Description: GSM/GPRS 1900 MHz Mobile Phone Product Model Number: WGM-1898A FCC ID: RWDWGM-1898A Serial Number: 001 Maximum RF Output Power: GSM: 30.17 dBm GPRS: 30.00 dBm RF Exposure environment: General Population/Uncontrolled Applicable Standard FCC CFR 47, Part 24 Application Type: Certification WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 42 of 79 4 - SYSTEM TEST CONFIGURATION 4.1 Justification The system was configured for testing in a typical fashion (as normally used by a typical user). 4.2 EUT Exercise Procedure The EUT exercising program used during SAR testing was designed to exercise the various system components in a manner similar to a typical use. 4.3 Equipment Modifications No modification(s) were made to the EUT complies with the applicable limits. WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 43 of 79 5 – CONDUCTED OUTPUT POWER MEASUREMENTS 5.1 Provision Applicable According to §15.247(b) (3), for systems using digital modulation, the maximum peak output power of the intentional radiator shall not exceed 1 Watt. According to FCC §22.913 (a), the ERP of mobile transmitters and auxiliary test transmitters must not exceed 7 watts. According to FCC § 24.232(b), EIRP peak power for mobile/portable stations are limited to 2 watts. 5.2 Test Procedure The RF output of the transmitter was connected to the input of the spectrum analyzer through sufficient attenuation. 5.3 Test equipment Hewlett Packard HP8564E Spectrum Analyzer, Calibration Due Date: 2004-08-25. Hewlett Packard HP 7470A Plotter, Calibration not required. A.H. Systems SAS200 Horn Antenna, Calibration Due Date: 2004-08-01 Com-Power AD-100 Dipole Antenna, Calibration Due Date: 2004-09-26 5.4 Test Results GSM: Channel Frequency (MHz) Output Power in dBm Output Power in W Limit (W) Middle 1880.13 30.17 1.040 2 GPRS: Channel Frequency (MHz) Output Power in dBm Output Power in W Limit (W) Middle 1879.97 30.00 1 2 Please refer to the following plots. WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 44 of 79 WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 45 of 79 6 - DOSIMETRIC ASSESSMENT SETUP These measurements were performed with the automated near-field scanning system DASY3 from Schmid & Partner Engineering AG (SPEAG). The system is based on a high precision robot (working range greater than 0.9m) which positions the probes with a positional repeatability of better than ±0.02mm. Special E- and H-field probes have been developed for measurements close to material discontinuity, the sensors of which are directly loaded with a Schottky diode and connected via highly resistive lines to the data acquisition unit. The system is described in detail in [3]. The SAR measurements were conducted with the dosimetric probe ET3DV6 SN: 1604, ET3DV2 SN: 3019 (manufactured by SPEAG), designed in the classical triangular configuration [3] and optimized for dosimetric evaluation. The probe has been calibrated according to the procedure described in [7] with accuracy of better than ±10%. The spherical isotropy was evaluated with the procedure described in [8] and found to be better than ±0.25dB. The phantom used was the \Generic Twin Phantom” described in [4]. The ear was simulated as a spacer of 4 mm thickness between the earpiece of the phone and the tissue simulating liquid. The Tissue simulation liquid used for each test is in according with the FCC OET65 supplement C as listed below. Frequency (MHz) Ingredients (% by weight) 450 835 915 1900 2450 Tissue Type Head Body Head Body Head Body Head Body Head Body Water 38.56 51.16 41.45 52.4 41.05 56.0 54.9 40.4 62.7 73.2 Salt (Nacl) 3.95 1.49 1.45 1.4 1.35 0.76 0.18 0.5 0.5 0.04 Sugar 56.32 46.78 56.0 45.0 56.5 41.76 0.0 58.0 0.0 0.0 HEC 0.98 0.52 1.0 1.0 1.0 1.21 0.0 1.0 0.0 0.0 Bactericide 0.19 0.05 0.1 0.1 0.1 0.27 0.0 0.1 0.0 0.0 Triton x-100 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 36.8 0.0 DGBE 0.0 0.0 0.0 0.0 0.0 0.0 44.92 0.0 0.0 26.7 Dielectric Constant 43.42 58.0 42.54 56.1 42.0 56.8 39.9 54.0 39.8 52.5 Conductivity (s/m) 0.85 0.83 0.91 0.95 1.0 1.07 1.42 1.45 1.88 1.78 WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report #R0407262S.doc SAR Evaluation Report Page 46 of 79 6.1 Measurement System Diagram The DASY3 system for performing compliance tests consist of the following items: 1. A standard high precision 6-axis robot (Stäubli RX family) with controller and software. 2. An arm extension for accommodating the data acquisition electronics (DAE). 3. A dosimetric probe, i.e., an isotropic E-field probe optimized and calibrated for usage in tissue simulating liquid. The probe is equipped with an optical surface detector system. 4. A data acquisition electronic (DAE), which performs the signal amplification, signal multiplexing, AD-conversion, offset measurements, mechanical surface detection, collision detection, etc. The unit is battery powered with standard or rechargeable batteries. The signal is optically transmitted to the EOC. 5. A unit to operate the optical surface detector, which is connected to the EOC. The Electro-optical coupler (EOC) performs the conversion from the optical into a digital electric signal of the DAE. The EOC is connected to the PC plug-in card. The functions of the PC plug-in card based on a DSP is to perform the time critical task such as signal filtering, surveillance of the robot operation fast movement interrupts. 6. A computer operating Windows 95 or larger 7. DASY3 software 8. Remote control with teaches pendant and additional circuitry for robot safety such as warning lamps, etc. 9. The generic twin phantom enabling testing left-hand and right-hand usage. 10. The device holder for handheld EUT. 11. Tissue simulating …

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Note: This test report is specially limited to the above client company and the product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST or any agency of the U.S. Government. FCC PART 24 TYPE APPROVAL EMI MEASUREMENT AND TEST REPORT For WONU TELECOM CO., LTD Room#991, 9F, SunTech City Bldg, 513-15 SangDaeWon-Dong, JungWon-Gu SeongNam, Geonggi-Do, Korea FCC ID: RWDWGM-1898A 2004-08-04 This Report Concerns: Original Report Equipment Type: GSM/GPRS 1900 MHz Mobile Phone Test Engineer: Ming Jing/ Report No.: R0407262 Test Date: 2004-07-26 Reviewed By: Ling Zhang/ Prepared By: Bay Area Compliance Laboratory Corporation (BACL) 230 Commercial Street Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732 9164 WONU TELECOM CO., LTD FCC ID: RWDWGM-1898A Report # R0407262Rpt.doc Page 2 of 39 FCC Part 24 Type Approval Report TABLE OF CONTENTS GENERAL INFORMATION.......................................................................................................................................4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................................................4 OBJECTIVE...................................................................................................................................................................4 RELATED SUBMITTAL(S)/GRANT(S).............................................................................................................................4 TEST METHODOLOGY..................................................................................................................................................4 TEST FACILITY.............................................................................................................................................................4 SYSTEM TEST CONFIGURATION ..........................................................................................................................6 JUSTIFICATION.............................................................................................................................................................6 BLOCK DIAGRAM.........................................................................................................................................................6 EQUIPMENT MODIFICATIONS.......................................................................................................................................6 LOCAL SUPPORT EQUIPMENT LIST AND DETAILS........................................................................................................6 POWER SUPPLY INFORMATION.....................................................................................................................................6 TEST SETUP BLOCK DIAGRAM.....................................................................................................................................6 SUMMARY OF TEST RESULTS ...............................................................................................................................7 §2.1047 - MODULATION CHARACTERISTIC .......................................................................................................8 APPLICABLE STANDARD..............................................................................................................................................8 TEST PROCEDURE........................................................................................................................................................8 TEST EQUIPMENT LIST AND DETAILS...........................................................................................................................8 ENVIRONMENTAL CONDITIONS....................................................................................................................................8 TEST RESULTS.............................................................................................................................................................8 §2.1053 - SPURIOUS RADIATED EMISSIONS .....................................................................................................12 APPLICABLE STANDARD............................................................................................................................................12 TEST PROCEDURE......................................................................................................................................................12 TEST EQUIPMENT LIST AND DETAILS.........................................................................................................................12 ENVIRONMENTAL CONDITIONS..................................................................................................................................12 TEST RESULT.............................................................................................................................................................13 §2.1046, & §24.232 - RF POWER OUTPUT.............................................................................................................15 APPLICABLE STANDARD............................................................................................................................................15 TEST PROCEDURE......................................................................................................................................................15 TEST EQUIPMENT LIST AND DETAILS.........................................................................................................................16 ENVIRONMENTAL CONDITIONS..................................................................................................................................16 TEST RESULTS.......................................…

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EXHIBIT B - TEST SETUP PHOTOGRAPHS Radiated Emission - Front View Radiated Emission - Rear View