CCECDL100RDigital Doorlock

513-11, Sangdaewon-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea Tel No : +82-31-739-3682 Fax No : +82-31-739-3649 Date: April 3, 2007 Compliance Certification Services Certification Division 561F Monterey Road Morgan Hill, CA 95037 To whom it may concern: We, the undersigned, hereby authorize CTK 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 CTK 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 CTK 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, __________________________ Ji-Soo, KIM R&D / Assistant Manager

513-11, Sangdaewon-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea Tel No : +82-31-739-3682 Fax No : +82-31-739-3649 April 3, 2007 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 In re : COMMAX Co., Ltd. FCC ID : CCECDL100R Request for Confidentiality Gentlemen: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Schematics, Block diagram and Operational description. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, __________________________ Ji-Soo KIM R&D / Assistant Manager

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 20 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) APPENDIX C – EUT Photographs CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 21 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) EUT External Photographs CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 22 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1)

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 27 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) Photographs related to Label CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 28 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) FCC ID label location

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 23 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) EUT Internal Photographs CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 24 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) PCB CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 25 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 26 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1)

CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 1 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) TEST REPORT For FCC Test Report No. : 2007030086 Date of Issue : March 30, 2007 FCC ID : CCECDL100R Model/Type No. : CDL-100R Kind of Product : DIGITAL DOORLOCK Applicant : COMMAX Co., Ltd. Applicant Address : 513-11, Sangdaewon-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea Manufacturer : COMMAX Co., Ltd. Manufacturer Address : 513-11, Sangdaewon-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do, Korea Contact Person : Ji-Soo KIM / Engineer Telephone : +82-31-739-3682 Received Date : March 16, 2007 Test Date : March 30, 2007 Test Results : In Compliance Not in Compliance The test results presented in this report relate only to the object tested. CTK Co., Ltd. is accredited by Korea Laboratory Accreditation Scheme (KOLAS) which signed the International Laboratory Accreditation Cooperation (ILAC) Mutual Recognition Arrangement (MRA) for the above test item(s) and test method(s). Tested by Reviewed by Young-Joon, Park EMC Test Engineer James Hong EMC Technical Manager Date: March 30, 2007 Date: March 30, 2007 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 2 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) REPORT REVISION HISTORY Date Revision Page No March 30, 2007 Issued (2007030086) All This report shall not be reproduced except in full, without the written approval of CTK Co., Ltd. This document may be altered or revised by CTK Co., Ltd. personnel only, and shall be noted in the revision section of the document. Any alteration of this document not carried out by CTK Co., Ltd. will constitute fraud and shall nullify the document. CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 3 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) TABLE OF CONTENTS REPORT REVISION HISTORY..........................................................................................2 1.0 General Product Description...............................................................................4 1.1 Model Differences.............................................................................................4 1.2 Device Modifications.........................................................................................4 1.3 EUT Configuration(s).........................................................................................5 1.4 Test Software...................................................................................................5 1.5 EUT Operating Mode(s).....................................................................................5 1.6 Configuration...................................................................................................6 1.7 Calibration Details of Equipment Used for Measurement.........................................7 1.8 Test Facility......................................................................................................7 1.9 Measurement Procedure....................................................................................7 1.10 Laboratory Accreditations and Listings.................................................................8 2.0 Emissions Test Regulations.................................................................................9 2.1 Radiated Electric Field Emissions - 15.225(a)...................................................... 10 2.2 Radiated Electric Field Emissions - 15.225(b)(c).................................................. 11 2.3 Radiated Electric Field Emissions - 15.225(d)...................................................... 12 2.4 Frequency Stability – 15.225(e)........................................................................ 13 2.5 Conducted Voltage Emissions – 15.207.............................................................. 14 APPENDIX A – TEST DATA........................................................................................... 15 Radiated Electric Field Emissions (Quasi-Peak reading)............................................... 15 Bandwidth of the Operating Frequency..................................................................... 16 APPENDIX B - Test Setup Photos and Configuration......................................................... 17 Radiated Electric Field Emissions (9 kHz ~ 30 MHz)................................................... 17 Radiated Electric Field Emissions (30 MHz ~ 1000 MHz)............................................. 18 Frequency Stability............................................................................................... 19 APPENDIX C – EUT Photographs................................................................................... 20 EUT External Photographs...................................................................................... 21 EUT Internal Photographs...................................................................................... 23 PCB.................................................................................................................... 24 Photographs related to Label....................................................................................... 27 FCC ID label location.................................................................................................. 28 CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea…

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CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 17 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) APPENDIX B - Test Setup Photos and Configuration Radiated Electric Field Emissions (9 kHz ~ 30 MHz) CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 18 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) Radiated Electric Field Emissions (30 MHz ~ 1000 MHz) CTK Co., Ltd. 386-1, Ho-dong, Cheoin-gu, Yongin-si, Gyeonggi-do, 449-100, Korea Tel: +82-31-339-9970 Fax: +82-31-339-9855 www.e-ctk.com Test Report No.: 2007030086 Date: March 30, 2007 Page 19 of 28 This Report shall not be reproduced except in full without the written approval of CTK Form No.: CTK-RF-EF-Part15(Rev.2.1) Frequency Stability