PP4PX-500Dual-Mode CDMA PC Wireless Card (CDMA/PCS-CDMA)

PANTECH&CURITEL COMMUNICATIONS, INC. 8F, PEERES BLDG, 222, CHUNGJEONGNO 3-GA, SEODAEMUN-GU, 120-708, KOREA Date: May 4, 2006 Compliance Certification Services Certification Division 561F Monterey Road Morgan Hill, CA 95037 To whom it may concern: We, the undersigned, hereby authorize Hyundai Calibration & Certification Technologies Co.,Ltd. , to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Hyundai Calibration & Certification Technologies Co.,Ltd. on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing Hyundai Calibration & Certification Technologies Co.,Ltd as our agent, we still recognize that we are responsible to: a) Comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, ---------------------------------------------- Eui-Kwon Park - Project Manager R & D Center REMARK : 1. This authorization letter will be sent along with your application when filing with the Certification Division. 2. Please follow the format and type it on company letterhead and send original to us.

SAN 136-1, AMI-RI, BUBAL-EUP, ICHEON-SI, KYOUNKI-DO, 467-701, KOREA SUBJECT: PANTECH&CURITEL COMMUNICATION, INC. FCC ID: PP4PX-500 MODEL: PX-500 Part 22 / 24 / 2 Certification Gentlemen: Submitted herewith, on behalf of PANTECH&CURITEL COMMUNICATION, INC. is an application for Part 22 / 24 / 2 Certification of the following Dual-Mode CDMA PC Wireless Card (CDMA/PCS-CDMA): Trade Name/Model(s): PANTECH&CURITEL / PX-500 EUT Type: Dual-Mode CDMA PC Wireless Card (CDMA/PCS-CDMA) - Prototype Tx Frequency: 824.70 — 848.31 MHz (CDMA) 1851.25 — 1908.75 MHz (PCS CDMA) Rx Frequency: 869.70 — 893.31 MHz (CDMA) 1931.25 — 1988.75 MHz (PCS CDMA) Max. RF Output Power: 0.272 W ERP CDMA (24.4 dBm) 0.257 W EIRP PCS CDMA (24.1 dBm) Maximum SAR: 0.537W/kg CDMA Body SAR 0.123W/kg PCS CDMA Body SAR Attached is the applicant’s Letter of Authorization, Confidentiality Request, ESN Affidavit, measurement report test data and plots, RF Exposure measurement report and data, FCC ID label and location, test setup photographs, internal and external photographs, block diagram (confidential), circuit diagrams & description (confidential), operational description (confidential), parts list & tune-up procedure (confidential), and the user's manual. Should you have any questions or comments concerning the above, please contact the undersigned. Report prepared by: Ki-Soo Kim Manager of Product Compliance Team cc: Eui-Kwon Park – PANTECH&CURITEL COMMUNICATION, INC. May 17, 2006 Test Site: HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. FRN: 0005866421 TEL : +82 31 639 8518 FAX : +82 31 639 8525 http://www.hct.co.kr

PANTECH&CURITEL COMMUNICATIONS, INC. 8F, PEERES BLDG, 222, CHUNGJEONGNO 3-GA, SEODAEMUN-GU, SEOUL, 120-708, KOREA Date: May 4, 2006 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, U.S.A. Subject: Authorization Letter FCC ID: PP4PX-500 Part 22/ 24 Certification To whom it may concern: We, the undersigned. hereby authorized HYUNDAI Calibration & Certification Technologies Co., Ltd. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these manners. Any and all acts carried out by HYUNDAI Calibration & Certification Technologies Co., Ltd. on our behalf shall have the same effect as acts of our own. This authorization is valid until Dec. 31, 2006. Sincerely Yours, ---------------------------------------------- Eui-Kwon Park - Project Manager R & D Center PANTECH&CURITEL COMMUNICATIONS, INC. 8F, PEERES BLDG, 222, CHUNGJEONGNO 3-GA, SEODAEMUN-GU, SEOUL, 120-708, KOREA Date: May 4, 2006 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road, Columbia, MD 21046, U.S.A. Subject: Request for Confidentiality FCC ID: PP4PX-500 Part 22/ 24 Certification Gentlemen: In accordance with 0.459 of CFR 47, PANTECH&CURITEL COMMUNICATIONS, INC. hereby requests confidentiality of the Block Diagrams attachment, Schematic Diagrams attachment, Operational Description attachment, and Part List/Tune-Up Procedure attachment for the above-referenced Certification application. These documents contain detailed system and equipment description and related information about the product which PANTECH&CURITEL COMMUNICATIONS, INC. considers to be proprietary, confidential, and a custom design and, otherwise, would not release to the general public. Since this design is a basis from which future technological products will evolve, PANTECH&CURITEL COMMUNICATIONS, INC. feels this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give our competitors an unfair advantage in the market. Sincerely Yours, ---------------------------------------------- Eui-Kwon Park - Project Manager R & D Center PANTECH&CURITEL COMMUNICATIONS, INC. 8F, PEERES BLDG, 222, CHUNGJEONGNO 3-GA, SEODAEMUN-GU, SEOUL, 120-708, KOREA Date: May 4, 2006 Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046, U.S.A. Subject: User's Manual RF Exposure Warning Statement FCC ID: PP4PX-500 Part 22/ 24 Certification Gentlemen: PANTECH&CURITEL COMMUNICATIONS, INC. hereby confirms that the attached RF exposure warning page will be readily visible to the user, and will be placed at a prominent location in the front section of the user's manual. Should you have any questions or comments concerning the above, please do not hesitate contact me. Sincerely Yours, ---------------------------------------------- Eui-Kwon Park - Project Manager R & D Center PANTECH&CURITEL COMMUNICATIONS, INC. 8F, PEERES BLDG, 222, CHUNGJEONGNO 3-GA, SEODAEMUN-GU, SEOUL, 120-708, KOREA Date: May 4, 2006 AFFIDAVIT FOR ESN PROTECTION OF CELLULAR MOBILE TELEPHONES We hereby certify that the Dual-Mode CDMA PC Wireless Card (FCC ID: PP4PX-500) is so designed that it complies with all the requirements for ESN protection specified in Section 22.919 of the FCC Rules. a) The transmitter in service has a unique ESN. b) The ESN host component is permanently attached to a main circuit board of the mobile transmitter and the integrity of the unit operating software cannot be altered. The ESN is plated from fraudulent contact and tampering. The ESN is encoded using multiplication by a polynomial and the ESN data programmed in the memory with other information. c) The ESN is factory-set and cannot be altered, transferred, removed or otherwise able to be manipulated. Cellular mobile equipment is specifically designed such that any attempt to remove, tamper with, or change the ESN chip, its logic system, or firmware originally programmed by the manufacturer will render the mobile transmitter inoperative. Sincerely Yours, ---------------------------------------------- Eui-Kwon Park - Project Manager R & D Center

Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ATTACHMENT G – EXTERNAL PHOTOGRAPHS Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ EXTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ EXTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ EXTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ EXTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ EXTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ EXTERNAL PHOTO

Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ATTACHMENT E – FCC ID LABEL/ LOCATION Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr LABELLING REQUIREMENTS PER §§ 2.925 The 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. ( SEE NEXT PAGE ) Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr

Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ATTACHMENT H – INTERNAL PHOTOGRAPHS Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ INTERNAL PHOTO

Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 1/17 Prepared by Reviewed by Check by Approved by APPROVAL SPECIFICATION TITLE Fixed Antenna Model PX500 CUSTOMER CURITEL DOCUMENT NO. CONTENTS SHEETS 1 APPROVAL SPECIFICATION 1 2 ANTENNA SPECIFICATION 1 We want to approval the suited product. Approved date: May.03. 2006. Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 2/17 ANTENNA SPECIFICATION Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 3/17 - CONTENTS – 1. Revision LIST 2. Technical Items. 2.1 Electrical Spec. 2.2 Mechanical Spec. 2.3 Packing Spec. 3. Test Equipment. 4. Electrical Demands. 4.1 V.S.W.R. 4.2 Radiation Pattern. 4.3 Gain. 5. Mechanical Demands. 5.1 Dimensions 6. Environmental demands. 6.1 Operation Temperature Test 6.2 Temperature Change Test 6.3 High Humidity Test 7. Antenna Data 7.1 V.S.W.R 7.2 GAIN 7.3 Matching circuit diagram 8. Antenna Drawing 9. Packing specification (drawing) 10. Notice or handing antenna ( Box or Antenna ) Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 4/17 1. REVISION LIST REVISION LIST NO DATE CHANGE CONTENTS CHANGE CAUSEREV 1 2006-05-03 - Temp. Approval IR 2 3 4 5 6 7 8 9 10 11 12 13 14 Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 5/17 2. Technical Items 2.1 Electrical Spec. Electrical Spec. Frequency Range CDMA US PCS (MHz) Tx1 Rx1 Tx2 Rx2 824 - 849 MHz869 - 894 MHz 1850 - 1910 MHz 1930 - 1990 MHz V.S.W.R (Max) 2.5 2.5 3.0 3.0 GAIN (E1 Peak , min) -4.0 dBi -1.5 dBi -4.5 dBi -2.0 dBi Impedance (Nominal) 50 ohms Polarization VERTICAL Radiation Pattern OMNI-DIRECTIONAL Maximum Power 2 Watts 2.2 Mechanical Spec. Mechanical Spec. Connector Contact Pin Type Overall length See drawing Operation Temperature -30°C ∼ +80°C Weight 4.1 g Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 6/17 2.3 Packing Spec. Packing Spec. PRODUCT QUALITY MATERIAL TRAY 50 EA P.S (0.5t) CARTON BOX 1,000 EA DW 2 type (AB corrugated paper) 3. Test Equipment The test equipments for antenna are as follows * Network Analyzer (HP8753ET) to measure the V.S.W.R and impedance of antenna * Spectrum Analyzer to measure the receiving signal intensity * Standard Horn antenna that is adjustable in the CDMA band * Standard Horn antenna that is adjustable in the US PCS band * Anechoic Chamber installed the cables, connectors and equipments for measurement * Dogmatic Caliper to measure the dimensions * Push/Pull gauge to measure the pulling force * Climatic Chamber for environmental test Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 7/17 4. Electrical Demands 4.1 V.S.W.R The V.S.W.R characteristics must satisfy the electrical demands. With Antenna Up condition, the V.S.W.R of antenna must be less than 2.5:1(Tx1), 2.5:1(Rx1) in the free space and CDMA band. With folder open condition, the V.S.W.R of antenna must be less than 3.0:1(Tx2), 3.0:1(Rx2) in the free space and US PCS band. Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 8/17 4.2 Radiation Pattern The H-radiation pattern must have the omni-directional characteristics in CDMA/US PCS Band. 4.3 Gain The gain is expressed as dBi that standardizes the half-wave length dipole antenna. With antenna Up condition (E1-Plane), the minimum Gain of antenna must be –4.0 dBi(Tx1,2), -1.5 dBi(Rx1,2) in CDMA band. With same condition, the minimum Gain of antenna must be -4.5 dBi(Tx2), -2.0 dBi(Rx2) in US PCS band. Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 9/17 5. Mechanical Demands 5.1 Dimensions See the drawing. Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 10/17 6. Environmental Demands 6.1 Operation Temperature Test # Test A: Place the antennas for testing in chamber. The chamber condition should be as follows: 1hours at -30°C # Final measurements : The antenna shall be visually inspected and electrically and also mechanically checked as required by products standard. # Test B: Place the antennas for testing in chamber. The chamber condition should be as follows: 1hours at 80°C # Final measurements : The antenna shall be visually inspected and electrically and also mechanically checked as required by products standard. 6.2 Temperature Change Test The object of temperature test is to evaluate the reliability of antenna component at temperature change. # Test: Temperature cycle is as follows. 2 hours at -40°C, 2 hours at +85°C. Temperature increase/decrease time (Temperature change time) is 2 hours. 10 cycles. # Final measurements: The antenna shall be visually inspected and electrically and mechanically checked as required by products standard. Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 11/17 6.3 High Humidity Test # Test: Place the antennas for testing in chamber. The chamber condition should be as follows: 24hours at +55°C, Relative humidity is 95%. # Final measurements : The antenna shall be visually inspected and electrically and also mechanically checked as required by products standard. Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 12/17 7. Electrical data (V.S.W.R, GAIN & Matching Circuit Diagram) 7.1 Antenna Up V.S.W.R Æ Matching Network Antenna 4.7nH 10nH NC 6pF system NC Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 13/17 7.2 GAIN (with Matching Circuit) Antenna Up E1-Radiation Pattern data[CDMA] Antenna Up H-Radiation Pattern data[CDMA] Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 14/17 Antenna Up E1-Radiation Pattern data[US PCS] Antenna Up H-Radiation Pattern data[US PCS] Antenna Specifications DATA2006-05-03 REV. IR MODEL PX500 TYPEFixed type PAGE 15/17 8. Antenna Drawing PX-500 PX-500 < > ANT' ASS'Y N / AN / A 2/1IR 1 1 NOTE1.일반공차: ±0.22.COLOR: BLACK3.FREQUENCY RANGE: Antenna Specifications DATA2…

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HYUNDAI CALIBRATION & CERTIFICATION TECH. CO., LTD. PRODUCT COMPLIANCE DIVISION SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI, KYOUNGKI-DO, 467-701, KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr CERTIFICATE OF COMPLIANCE (SAR EVALUATION) EUT Type: Dual-Mode CDMA PC Wireless Card (CDMA/PCS-CDMA) Tx Frequency: 824.70 — 848.31 MHz (CDMA) 1851.25 — 1908.75 MHz (PCS CDMA) Rx Frequency: 869.70 — 893.31 MHz (CDMA) 1931.25 — 1988.75 MHz (PCS CDMA) Max. RF Output Power: 0.272W ERP CDMA (24.4dBm) 0.257W EIRP PCS CDMA (24.1dBm) Max. RF Output Power: 0.316W CDMA (25.0dBm) (Conducted) 0.316W PCS CDMA (25.0dBm) Trade Name/Model(s): PANTECH&CURITEL / PX-500 FCC Classification: Licensed Portable Transmitter worn on body (PCT) Application Type: Certification FCC Rule Part(s): §2.1093; FCC/ OET Bulletin Supplement C [July 2001] Maximum SAR: 0.537W/kg CDMA Body SAR 0.123W/kg PCS CDMA Body SAR This wireless portable device has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment/general population exposure limits specified in ANSI/ IEEE Std. C95.1- 1992 and had been tested in accordance with the measurement procedures specified in ANSI/ IEEE Std. C95.3- 1992. (See Test Report). I attest to the accuracy of data. 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. Hyundai C-Tech Co., Ltd. Certifies that no party to this application has been denied FCC benefits pursuant to section 5301 of the Anti- Drug Abuse Act of 1998, 21 U.S. C. 853(a) Report prepared by : Ki-Soo Kim Manager of Product Compliance Team This report only responds to the tested sample and may not be reproduced, except in full, without written approval of the HCT Co., Ltd. FCC ID : APPLICANT : PP4PX-500 PANTECH&CURITEL COMMUNICATIONS, INC. Date of Issue: May 18, 2006 Test Report No.: HCT-SAR06-0515 Test Site: HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. FRN: 0005866421 PANTECH&CURITEL COMMUNICATIONS, INC. 8F, PEERES BLDG, 222, CHUNGJEONGNO 3-GA, SEODAEMUN-GU, 120-708, KOREA FRN: 0006278469 Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ２ of 24 Table of Contents 1.1 SCOPE ---------------------------------------------------------------------------------------------------------- 2.1 INTRODUCTION / SAR DEFINITION --------------------------------------------------------------------- 3.1 SAR MEASUREMENT SET-UP --------------------------------------------------------------------------- 4.1 E-FIELD PROBE SYSTEM --------------------------------------------------------------------------------- 5.1 EUT ARRANGEMENT ------------------------------------------------------------------------------------- 6.1 E-FIELD PROBE CALIBRATION PROCESS -------------------------------------------------------- 7.1 PHANTOM, HOLDER, & EQUIVALENT TISSUE --------------------------------------------------- 8.1 SYSTEM SPECIFICATIONS ------------------------------------------------------------------------------ 9.1 MEASUREMENT PROCESS ------------------------------------------------------------------------------ 10.1 ANSI/ IEEE C95.1 - 1992 RF EXPOSURE LIMITS -------------------------------------------------------- 11.1 MEASUREMENT UNCERTAINTIES ------------------------------------------------------------------- 12.1 TEST DATA SUMMARY ---------------------------------------------------------------------------------- 13.1 SAR TEST EQUIPMENT LIST --------------------------------------------------------------------------- 14.1 CONCLUSION ------------------------------------------------------------------------------------------------ 15.1 REFERENCES -------------------------------------------------------------------------------------------- 3 4 5 6 7-8 9-10 11 12 13 14 15 16-20 22 23 24 Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ３ of 24 SAR MEASUREMENT REPORT 1.1 SCOPE Environmental evaluation measurements of specific absorption rate 1 (SAR) distributions in emulated human head and body tissues exposed to radio frequency (RF) radiation from wireless portable devices for compliance with the rules and regulations of the U.S. Federal Communications Commission (FCC). 2 1. 2 Applicant • EUT Type: Dual-Mode CDMA PC Wireless Card (CDMA/PCS-CDMA) • Trade Name: PANTECH&CURITEL • Model(s): PX-500 • FCC ID: PP4PX-500 • Serial Number(s): PP450020060501 • Tx Frequency: 824.70 – 848.31 MHz (CDMA) 1851.25 – 1908.75 MHz (PCS CDMA) • Rx Frequency: 869.70 – 893.31 MHz (CDMA) 1931.25 – 1988.75 MHz (PCS CDMA) • Application Type: Certification • FCC Classification: Licensed Portable Transmitter worn on body (PCT) • FCC Rule Part(s): §2.1093; FCC/ OET Bulletin Supplement C [July 2001] • Modulation(s): CDMA/ PCS CDMA • Αntenna Type: Retractable (Retracted/Extended) • Max RF. Output Power: 0.272W ERP CDMA (24.4dBm) 0.257W EIRP PCS CDMA (24.1dBm) • Date(s) of Tests: May 17, 2006 • Place of Tests: Hyundai C-Tech. EMC Lab. Icheon, Kyounki-Do, KOREA • Report Serial No.: HCT-SAR06-0515 • PC#1 Manufacturer / Model(s): H.P / Pavilion zv5000 • PC#2 Manufacturer / Model(s): COMPAQ / Presario R300 • PC#3 Manufacturer / Model(s): TOSHIBA / 5205-S505 1 Specific Absorption Rate (SAR) is a measure of the rate of energy absorption due to exposure to an RF transmitting source (wireless portable device). 2 IEEE/ANSI Std. C95.1-1992 limits are used to determine compliance with FCC ET Docket 93-62. Company Name: PANT…

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Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ATTACHMENT P – SAR TEST SETUP PHOTOGRAPHS Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ Test Setup Photo Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ Test Setup Photo (Lab) - PC#1 Manufacturer / Model(s): H.P / Pavilion zv5000 20 mm Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ Test Setup Photo (Lab) - PC#2 Manufacturer / Model(s): TOSHIBA / Presario R300 25 mm Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ Test Setup Photo (Lab) - PC#3 Manufacturer / Model(s): COMPAQ / 5205-S505 20 mm Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ Test Setup Photo [835MHz/ 1900MHz Body Tissue Liquid Depth : 15cm] Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ■ Test Setup Photo (Validation)

Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr ATTACHMENT O – SAR TEST PLOTS (1 of 2) Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TECHNOLOGIES CO., LTD. SAN 136-1, AMI-RI , BUBAL-EUP, ICHEON-SI,KYOUNKI-DO, 467-701,KOREA TEL : +82 31 639 8518 FAX : +82 31 639 8525 www.hct.co.kr Report No.: HCT-SAR06-0515 FCC ID : PP4PX-500 DATE : May 18, 2006 HYUNDAI CALIBRATION & CERTIFICATION TE…

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