YR4CS300Wireless PTAC Control System, Sensor

UIN Chemical Co., Ltd. 59-1, Galsan-ri, Tanjung-Myeon, Asan-city, ChoongNam, Korea Tel: +82-2-2276-0361, Fax: +82-2-2276-0366 Date: October 04, 2010 Compliance Certification Services Certification Division 561F Monterey Road Morgan Hill, CA 95037 This authorization is valid until further written notice from the applicant. Sincerely Yours, _________________________ Mr. Bum-Yong, Lee / President UIN Chemical Co., Ltd. Tel: +82-2-2276-0361 E-Mail: [email protected]

UIN Chemical Co., Ltd. 59-1, Galsan-ri, Tanjung-Myeon, Asan-city, ChoongNam, Korea Tel: +82-2-2276-0361, Fax: +82-2-2276-0366 Date: October 04, 2010 FCC Laboratory 7435 Oakland Mills Road Columbia, MD 21046 Attention: Application Examiner Reviewing Engineer Re: Request for confidentiality per Section 0.459 of FCC Rules Applicant: UIN Chemical Co., Ltd. FCC ID: YR4CS300 To whom it may concern, Request is hereby submitted, on behalf of my client, UIN Chemical Co., Ltd., to withhold from public review certain portions of the application for equipment certification for the referenced FCC identifier. In particular, the following sections of the application and report are requested to be kept confidential: Schematics Block Diagram Operational Description Parts List Rationale for request for confidentiality: UIN Chemical Co., Ltd., has invested considerable time and materials in research and development to produce the referenced product. Disclosure of the confidential portions of this application to competitors would give them competitive advantage in developing similar products. If you have questions or need further information, please contact the undersigned. Sincerely Yours, _________________________ Mr. Bum-Yong, Lee / President UIN Chemical Co., Ltd. Tel: +82-2-2276-0361 E-Mail: [email protected]

FCC ID. : YR4CS300 Page 1 of 2 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904) FCC ID. : YR4CS300 Page 2 of 2 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904)

FCC ID. : YR4CS300 Page 1 of 3 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904) FCC ID. : YR4CS300 Page 2 of 3 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904) FCC ID. : YR4CS300 Page 3 of 3 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904)

FCC ID. : YR4CS300 Page 1 of 14 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904) ELECTROMAGNETIC EMISSION COMPLIANCE REPORT FOR LOW-POWER, NON-LICENSED TRANSMITTER Test Report No. : E10OR-004 AGR No : A108A-105R Applicant : UIN Chemical Co., Ltd. Address : 59-1, Galsan-ri, Tanjung-Myeon, Asan-city, ChoongNam, Korea Manufacturer : UIN Chemical Co., Ltd. Address : 59-1, Galsan-ri, Tanjung-Myeon, Asan-city, ChoongNam, Korea Type of Equipment : Wireless PTAC (Packaged Terminal Air Conditioners) Control System, Sensor FCC ID. : YR4CS300 Model Name : CS-300 Serial number : None Total page of Report : 14 pages (including this page) Date of Incoming : October 01, 2010 Date of issue : October 04, 2010 SUMMARY The equipment complies with the regulation; FCC Part 15 Subpart C Section 15.231. This test report only contains the result of a single test of the sample supplied for the examination. It is not a generally valid assessment of the features of the respective products of the mass-production. Prepared by: Reviewed by: Young-Min, Choi / Asst. Chief Engineer Y. K. Kwon / Managing Director EMC/RF Center EMC/RF Center ONETECH Corp. ONETECH Corp. FCC ID. : YR4CS300 Page 2 of 14 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904) CONTENTS PAGE 1. VERIFICATION OF COMPLIANCE .............................................................................................4 2. GENERAL INFORMATION ............................................................................................................5 2.1 PRODUCT DESCRIPTION.....................................................................................................................................................5 2.2 MODEL DIFFERENCES........................................................................................................................................................5 2.3 RELATED SUBMITTAL(S) / GRANT(S)................................................................................................................................5 2.4 PURPOSE OF THE TEST.......................................................................................................................................................5 2.5 TEST METHODOLOGY........................................................................................................................................................5 2.6 TEST FACILITY...................................................................................................................................................................5 3. SYSTEM TEST CONFIGURATION ...............................................................................................6 3.1 JUSTIFICATION...................................................................................................................................................................6 3.2 PERIPHERAL EQUIPMENT...................................................................................................................................................6 3.3 MODE OF OPERATION DURING THE TEST...........................................................................................................................6 3.4. EUT MODIFICATIONS.................................................................................................................................................6 3.5 CONFIGURATION OF TEST SYSTEM...................................................................................................................................6 3.6 ANTENNA REQUIREMENT..................................................................................................................................................7 3.7 NON-PERIODIC TRANSMISSION REQUIREMENT...............................................................................................................7 4. PRELIMINARY TEST ......................................................................................................................7 4.1 AC POWER LINE CONDUCTED EMISSIONS TESTS.............................................................................................................7 4.2 GENERAL RADIATED EMISSIONS TESTS............................................................................................................................7 5. FINAL RESULT OF MEASURMENT ............................................................................................8 5.1 FIELD STRENGTH OF THE CARRIER TEST.........................................................................................................................8 5.2 TRANSMITTER TRANSMISSION DURATION........................................................................................................................9 5.3 SPURIOUS EMISSION TEST...............................................................................................................................................10 5.4 BANDWIDTH OF THE OPERATING FREQUENCY................................................................................................................11 6. FIELD STRENGTH CALCULATION ..........................................................................................13 7. LIST OF TEST EQUIPMENT ..........................................…

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FCC ID. : YR4CS300 Page 1 of 2 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904) Radiated Emission Test FCC ID. : YR4CS300 Page 2 of 2 Report No.: E10OR-004 It should not be reproduced except in full, without the written approval of ONETECH. EMC-003(Rev.1) HEAD OFFICE : #505 SK Apt. Factory, 223-28 Sangdaewon1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do 462-121 Korea (TEL: 82-31-746-8500 FAX: 82-31-746-8700) EMC Testing Dept : 307-51 Daessangnyeong-ri, Chowol-eup, Gwangju-si, Gyeonggi-do 464-862 Korea.(TEL: 82-31-765-8289 FAX: 82-31-766-2904)