TARCDX-650Dual Band CDMA 1x EVDO Express Card Modem

8,9F., Yongsan BLD., 14-14 Yoido-dong Youngdungpo-gu Seoul (150-871) Korea URL: http://www.cmotech.com Regulatory Information & Safety notices (CDX-650) Version : 0.1 Date : Jan. 24, 2007 C-motech Co., Ltd.Proprietary and Confidential This document is the sole and exclusive property of C-motech. Not to be distributed or divul ged without prior written agreement. Regulatory Information & Safety notices (CDX-650) Revision History Level Date Description 0.1 Jan. 19, 2007 Initial Release Table of contents Regulatory Notices················································································ ················································································ 3 1.1 FCC RF EXPOSURE COMPLIANCE.............................................................3 1.2 CAUTION.......................................................................................................4 1.3 WARNING (EMI)............................................................................................4 Safety and Notices5 1.4 Important Notice.............................................................................................5 1.5 Safety and Hazards........................................................................................5 1.6 POTENTIALLY UNSAFE AREAS...................................................................6 2/2 Confidential This document is the sole and exclusive property of C-motech. Not to be distributed or divulged without prior written agreement. Regulatory Information & Safety notices (CDX-650) 1. Regulatory Notices This device is compliant with Parts 15, 22 and 24 of the FCC Rules. Operation of this device is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may cause undesirable operations. FCC guidelines stipulate that the antenna should be more than 1.5cm (0.6”) from all persons. FCC RF EXPOSURE COMPLIANCE In August 1996 the Federal Communications Commission (FCC) of the United States with its action in Report and Order FCC 96-326 adopted an updated safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are consistent with the safety standard previously set by both U.S. and international standards bodies. The design of this phone complies with the FCC guidelines and these international standards. Use only the supplied or an approved antenna. Unauthorized antennas, modifications, or attachments could impair call quality, damage the phone, or result in violation of FCC regulations. This device has been tested for FCC RF exposure hand and body SAR compliance with the CDX-650 CDMA modem organizer. In order to comply with FCC RF exposure requirements, the device must be operated with the CDX-650 CDMA modem organizer. The use of this device in any other type of host configuration may not comply with FCC RF exposure requirements and should be avoided. During operation, a 1.5cm separation distance should be maintained between the antenna, whether extended or retracted, and the user’s/bystander’s body (excluding hands, wrists, feet, and ankles) to ensure FCC RF exposure compliance. 3/3 Confidential This document is the sole and exclusive property of C-motech. Not to be distributed or divulged without prior written agreement. Regulatory Information & Safety notices (CDX-650) CAUTION Unauthorized modification or change not expressly approved by C-motech Co., Ltd. could void compliance with regulatory rules and thereby your authority to use this equipment. WARNING (EMI) This equipment has been tested and found to comply with the limits pursuant to Part 15, 22 & 24 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in an appropriate installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communication. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: z Reorient or relocate the receiving antenna. z Increase the separation between the equipment and the receiver. z Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. z Consult the dealer or an experienced radio/TV technician for help. 4/4 Confidential This document is the sole and exclusive property of C-motech. Not to be distributed or divulged without prior written agreement. Regulatory Information & Safety notices (CDX-650) Safety and Notices Important Notice Because of the nature of wireless communications, transmission and reception of data can never be guaranteed. Data may be delayed, corrupted (i.e., have errors), or be totally lost. Although significant delay or losses of data are rare when wireless devices such as the CDX-650 CDMA modem are used in a normal manner with a well-constructed network, they should be used in situations where failure to transmit or receive data could result in damage of any kind to the user or any other party, including but not limited to personal injury, death, or loss or property. C-motech Co., Ltd. accepts no responsibility for damages of any kind resulting from delays or errors in data transmitted or received using the CDX-650 CDMA modem or failure of CDX-650 CDMA modem to transmit or receive such data. Safety and Hazards Do not operate the CDX-650 CDMA modem in areas where blasting is in progress, where explosive atmospheres may be present, near medical equipment, life support equipment, or any equipment which may be susceptible to any form of radio…

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Monday, 8 January 2007 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Re: C-motech Co., Ltd. FCC ID: TARCDX-650 FCC Part 22 and FCC Part 24 Certification Request for Confidentiality To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. ▪Schematic Diagram - CDX-650_Schematic.pdf ▪Block Diagram - CDX-650_Block diagram.pdf ▪Operational description – CDX-650_Operational description.pdf ▪Parts List – CDX-650_part list.pdf ▪Tune-up procedure – CDX-650_Tune-up Procedure.pdf ▪Antenna Spec_ Antenna spec.pdf Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachments for 45 days from the date of grant: ▪External photos – CDX-650_External photos.pdf ▪Internal photos - CDX-650_Internal photos.pdf ▪Test setup photos - CDX-650_Test setup photos.pdf ▪user manual -CDX-650_User Manual.pdf It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Mr. Byung-Young Choi Senior Research Engineer C-motech Co., Ltd. 8,9F yongsan Bldg. Yoido-dog, Youngdungpo-gu, Seoul l, Korea (150-871) Email: [email protected] URL: http://www.cmotech.com TEL:82-2-369-9881 FAX:82-2-785-5740

Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 62 of 71 Appendix C – EUT Photographs ● Front Side View of EUT Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 63 of 71 ● Rear Side View of EUT Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 64 of 71 ● Right Side View of EUT Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 65 of 71 ● Left Side View of EUT Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 66 of 71 ● Interface Side View of EUT Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 67 of 71 ● Top Side View of EUT

Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 58 of 71 Appendix A - Labelling Requirement The sample label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time of purchase. *** The following paragraph specified in the user manual or EUT. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions : (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Labelling Requirements

Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 68 of 71 ● Inside View of EUT Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 69 of 71 ● Front View of Main board (without Shield) Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 70 of 71 ● Rear View of Main board (with Shield) Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 71 of 71 ● Rear View of Main board (without Shield)

C-motech Co.,Ltd Page 1 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 SAR Evaluation Report FCC ID : TARCDX-650 Project Reference No. : NK2HR005 Product Type : Dual Band CDMA 1x- EVDO Express Card Modem Brand Name : C-motech Model : CDX-650 Tested According to : IEEE Standard C95.1 / OET Bulletin 65 Supplement C Tested Period : January. 02. 2007 to January. 12. 2007 Tested by Seob Lee date : January. 15. 2007 Verified by Seonteag.Jin date : January. 15. 2007 This test results are only related to the item tested. This test report is only limited to the client company and the product. This report must not be used by the client to claim product endorsement by any agency of the U.S. Government. Lab Address : Nemko Korea Co., Ltd 300-2, Osan-Ri, Mohyun-Myun, Yongin-City, Gyunggi-Do, Korea Phone : 82-31-322-2333 Fax : 82-31-322-2332 C-motech Co.,Ltd Page 2 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 Contents of This Report 1. General Information 4 1.1 Applicant 4 1.2 Manufacturer 4 1.3 Description of Device 4 2. General Test Condition 5 2.1 Location 5 2.2 Operating Environment 5 2.3 Support Equipment 5 2.4 Test Frequency 5 2.5 Position Information 5 3. Description of Test Equipment 6~8 4. Measurement Procedure 9~10 4.1Head/Muscle Simulating Mixture Characterization 11 4.2Tissue Dielectric Parameters for Head and Body Phantoms 12 4.3FCC Limits for Specific Absorption Rate (SAR) 13 5. Definition of Reference Points 14~15 6. Test Configuration Positions 16~18 7. Measurement Uncertainty 19 8. System Verification 20 8.1Tissue Verification 20 8.2Test System Validation 21 8.3Measurement Result of Test Data (Cellular Validation) 22 8.4Measurement Result of Test Data (PCS Validation) 23 9. Device Test Conditions 24~26 10. SAR Measurement Results 27 C-motech Co.,Ltd Page 3 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 11. SAR Data Summary (Cellular) 28~45 12. SAR Data Summary (PCS) 46~63 13. SAR Test Equipment 64 14. References 65 Appendix A: SAR Definition 66 Appendix B: Probe Calibration 67~75 Appendix C: Dipole Calibration 76~87 Appendix D: Photographs of EUT 88~90 Appendix E: Test Position of EUT 91~92 C-motech Co.,Ltd Page 4 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 1.General Information 1.1 Applicant Company Name: C-motech. Co.,Ltd Company Address: 8,9F BLD. Yongsan Bldg. Yoido-dog, Youngdungpo-gu, Seoul Korea (150-871) Phone/Fax: Phone: +82-2-369-9881 / +82-2-785-5740 Contact Name: Byung-young Choi 1.2 Manufacturer Company Name: C-motech. Co.,Ltd Company Address: 8,9F BLD. Yongsan Bldg. Yoido-dog, Youngdungpo-gu, Seoul Korea (150-871) Phone/Fax: Phone: +82-2-369-9881 / +82-2-785-5740 Contact Name: Byung-young Choi 1.3 Description of Device Category: Dual Band CDMA 1x-EVDO Express Card Modem Model Name: CDX-650 Brand Name: C-motech Serial Number: 3B08CA5E Frequency of Operation CDMA835 : Tx : 824MHz ~ 849MHz, Rx : 869MHz ~ 894MHz PCS :Tx : 1850MHz ~ 1910MHz, Rx : 1930MHz ~ 1990MHz Power Output (Conducted) 0.285W (24.55dBm) Type of Oscillation PLL Synthesizer & VCTCXO (19.2MHz) Modulation Method OQPSK, QPSK Channel Spacing 1.23MHz Modulation Code Division Multiple Access (CDMA) Operating Condition -20 to +60°C 85%(at 50(C), relative humidity (non-condensing) Power Supply +3.3VDC from Express Card slot Antenna Type FIFA Antenna Dimensions 34.5mm x 105.0mm x 5.0mm Weight Approx. 29g Remarks: - C-motech Co.,Ltd Page 5 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 2. General Test Condition 2.1 Location Nemko Korea 300-2, Osan-Ri, Mohyun-Myun, Yongin-City, Gyunggi-Do Phone : 82-31-322-2333 , Fax : 82-31-322-2332 2.2 Operating Environment Parameters Recording during test Accepted deviation Ambient temperature 21 ± 2°C 15 ~ 30°C Relative humidity 35 ± 15% 20 ~ 75% 2.3 Support Equipment Equipment Manufacturer Model Name Serial Number Laptop Fujitsu Limited C1410 R6900813 Laptop ASUS F3J 6BN0AS148062 Laptop DELL Inspiron PP20L 7BDF5BX 2.4 Test Frequency CDMA PCS CDMA Test Channel Test Frequency (MHz)Test Channel Test Frequency (MHz) 1013 824.70 25 1851.25 363 835.89 600 1880.00 777 848.31 1175 1908.75 2.5 Position Information Bottom Position : Laptop - Rear side facing phantom, EUT C-motech Co.,Ltd Page 6 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 3. Description of Test Equipment 3.1 SAR Measurement Setup Robotic System Measurements are performed using the DASY4 automated dosimetric assessment system. Which is made by Schmid & Partner Engineering AG (SPEAG) in Zurich, Switzerland and consists of high precision robotics system (Stäubli), robot controller, measurement server, H/P computer, nearfield probe, probe alignment sensor, and the SAM twin phantom containing the brain equivalent material. The robot is a six-axis industrial robot performing precise movements to position the probe to the location (points) of maximum electromagnetic field (EMF) (see Fig. 3.1). Figure 3.1 SAR Measurement System Setup System Hardware A cell controller system contains the power supply, robot controller, teach pendant (Joystick), and a remote control is used to drive the robot motors. The PC consists of the H/P computer with Windows XP system and SAR Measurement Software DASY4, LCD monitor, mouse and keyboard. The Stäubli Robot is connected to the cell controller to allow software manipulation of the robot. A Data Acquisition Electronic (DAE) circuit that performs the signal amplification, signal multiplexing, AD-conversion, offset measurements, mechanical surface detection, collision detection, etc. This is connected to the Electro-Optical Coupler (EOC). The EOC performs the conversion from the optical into digital electric signal of the DAE and transfers data to the measurement server. C-motech Co.,Ltd Page 7 of 92 FCC ID : TARCDX-650 SAR Report Reference No.: NK2HR005 System Electronics The DAE4 consists of a highly sensitive electrometer-grade preamplifier with autozeroing, a channel and gain-switching multiplexer, a fast 16…

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Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 1 of 71 Nemko Korea CO., Ltd. 300-2, Osan-Ri, Mohyun-Myun, Yongin-City, Gyunggi-Do, KOREA TEL:+82 31 322 2333 FAX:+82 31 322 2332 FCC EVALUATION REPORT FOR CERTIFICATION Applicant : C-motech Co., Ltd. Dates of Issue : January, 19, 2007 8,9F Yongsan Bldg. Yoido-dong, Youngdungpo-Gu Test Report No. : NK2HR004 Seoul, Korea, (Post code : 150-871) Test Site : Nemko Korea Co., Ltd. FCC ID Brand Name CONTACT PERSON Applied Standard: FCC 47 CFR Part 15 & 2 FCC 47 CFR Part 22H & Part 24E Classification: FCC Class B Device Equipment Class: Public Mobile Services EUT Type: Dual Band CDMA 1x EVDO Express Card Modem The device bearing the brand name and FCC ID specified above has been shown to comply with the applicable technical standards as indicated in the measurement report and was tested in accordance with the measurement procedures specified in ANSI C63.4-2003. I attest to the accuracy of data and all measurements reported herein were performed by me or were made under my supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the completeness of these measurements and vouch for the qualifications of all persons taking them. Tested By : S. Lee Reviewed By : H.H. Kim Engineer Manager & Chief Engineer TARCDX-650 C-motech C-motech Co., Ltd. 8,9F Yongsan Bldg, Yoido-dong, Youngdungpo-gu, Seoul Korea (150-871) Mr. Byung-Young Choi Telephone No. : +82 2 369-9881 Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 2 of 71 TABLE OF CONTENTS 1. Scope 4 2. Introduction (Site Description) 5 3. Test Conditions & EUT Information 6 4. Measuring Instrument Calibration 8 5. Summary of Test Results 9 6. Recommendation / Conclusion 9 7. Sample Calculation 10 8. Test Equipment 11 9. Description of Test 12 9.1 Conducted Emission 12 9.2 Radiated Emission 13 9.3 Effective Radiated Power / Equivalent Isotropic Radiated Power 14 9.4 Radiated Spurious & Harmonic Emission 15 9.5 Occupied Bandwidth / 26dB Emission Bandwidth 16 9.6 Spurious and Harmonic Emissions at Antenna Terminal 17 9.7 Frequency Stability / Temperature Variation 20 9.8 Output Power Variation 21 10. Test Data 22 10.1 AC Power Conducted Emissions 22 10.2 Field Strength of Radiated Emissions (30MHz ~ 1GHz) 27 10.3 Effective Radiated Power (ERP) 29 10.4 Equivalent Isotropic Radiated Power (EIRP) 30 10.5 Conducted Output Power 31 10.6 Occupied Bandwidth / 26Db Bandwidth 32 10.7 Radiated Spurious & Harmonic Emissions (Cellular) 33 10.8 Radiated Spurious & Harmonic Emissions (US PCS) 36 10.9 Frequency Stability / Temperature Variation (Cellular) 39 10.10 Frequency Stability / Temperature Variation (US PCS) 41 Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 3 of 71 11. Test Plots (Cellular) 43 12. Test Plots (US PCS) 51 Appendix A: Labelling Requirement 58 Appendix B: Photographs of Test Set-up 59 Appendix C: EUT Photographs 62 Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 4 of 71 1. Scope Measurement and determination of electromagnetic emissions (EME) of radio frequency devices including intentional and/or unintentional radiators for compliance with the technical rules and regulations of the Federal Communications Commission under FCC Part 15 & Part 22 & 24. Responsible Party : Contact Person : Manufacturer : C-motech Co., Ltd. Mr. Byung-Young Choi Tel No. : +82 2 369 9881 C-motech Co., Ltd. 8,9F Yongsan Bldg., Yoido-dog, Youngdungpo-gu, Seoul Korea (150-871) z FCC ID: TARCDX-650 z Model: CDX-650 z Brand Name: C-motech z EUT Type: Dual Band CDMA 1x EVDO Express Card Modem z Electric Rating: +3.3VDC from Express Card slot z Interface Type ExpressCard/34 z Equipment Class: z Classification: z Applied Standard: z Test Procedure(s): z Dates of Test: z Place of Tests: z Test Report No.: Public Mobile Service FCC Class B FCC 47 CFR Part 15 & 2 FCC 47 CFR Part 22H &24E ANSI C63.4 (2003), DA 02-2138(2002) January 04, 2007 to January 18, 2007 Nemko Korea Co., Ltd. NK2HR004 Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 5 of 71 2. Introduction (Site Description) The measurement procedure described in American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9kHz to 40GHz (ANSI C63.4-2003) was used in determining radiated and conducted emissions emanating from C-motech Co., Ltd. FCC ID : TARCDX-650 These measurement tests were conducted at Nemko Korea Co., Ltd. The site address is 300-2, Osan-Ri, Mohyun-Myun, Yongin-City, GyungGi-Do, KOREA The area of Nemko Korea Corporation Ltd. Test Site is located in a mountain area at 80 kilometers (48 miles) southeast and Incheon International Airport (Incheon Airport), 30 kilometers (18miles) south-southeast from central Seoul. It is located in the valley surrounded by mountains in all directions where ambient radio signal conditions are quiet and a favorable area to measure the radio frequency interference on open field test site for the computing and ISM devices manufactures. The detailed description of the measurement facility was found to be in compliance with the requirements of §2.948 according to ANSI C63.4 2003. Fig. 1. The map above shows the Seoul in Korea vicinity area. The map also shows Nemko Korea Corporation Ltd. and Incheon Airport. Nemko Korea Co., Ltd. 300-2, Osan-Ri, Mohyun-Myun, Yongin- City GyungGi-Do,KOREA 449-852 Tel)+82-31-322-2333 Fax)+82-31-322-2332 Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 6 of 71 3. Test Conditions & EUT Information Operating During Test The EUT was tested at the lowest channel, middle channel and the highest channel with the maximum RF power and all data recorded in the report. Environmental Conditions Temperature 20°C ~ 25°C Relative Humidity 30% ~ 55% Description of EUT Clock X302 (32.768kHz), X301 (48MHz) U301(MSM6500) Chipset(s) U206(RFR6000), U106(RFT6100) Interface Expr…

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Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 59 of 71 Appendix B – Photographs of Test Set-up The Conducted Test Picture and Radiated Test Picture and show the worst-case configuration and cable placement. z Conducted Test Picture (Front) z Conducted Test Picture (Rear) Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 60 of 71 z Radiated Test Picture (Front) z Radiated Test Picture (Rear) Test Report No.: NK2HR004 C-motech Co., Ltd. FCC ID :TARCDX-650 Page 61 of 71 z Temperature Test Picture