YCE86898755886RC Car, RC Toys, RC Hobby

CHINA TOPWIN INDUSTRY CO., LTD. SCS-F19: Confidentiality Request Letter Rev 1.0 Nov 14, 2006 Confidentiality Request Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (current) 1.0 1.0 Nov-14-2006 CHINA TOPWIN INDUSTRY CO., LTD. SCS-F19: Confidentiality Request Letter Rev 1.0 Nov 14, 2006 Apr. 20 2010 To: Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: YCE86898755886 We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagrams - Schematics - Operation 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,

CHINA TOPWIN INDUSTRY CO., LTD. SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 2.0 2206 Ringwood Avenue San Jose, CA 95131 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Revision History Reason for Amendment (current / obsolete) From To Approved Date Initial Release (current) 1.0 1.0 Nov-14-2006 Revised wording (current) 1.0 2.0 Sept–25-2007 CHINA TOPWIN INDUSTRY CO., LTD. SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 2.0 Apr. 20 2010 To: SIEMIC, INC. 2206 Ringwood Avenue, San Jose, CA 95131 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, CHINA TOPWIN INDUSTRY CO., LTD. hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s): RC Car We affirm that between SIEMIC and CHINA TOPWIN INDUSTRY CO., LTD. , any difference in understanding, including test plan, measurement methods, applicable standards and relevant procedures and processes have been resolved prior to commencement of testing activities. Sincerely,

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Report No.: SZEMO10040186501 Page: 1 of 10 Authorized Signature: Jack Zhang Laboratory Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing. The report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the federal government. All test results in this report can be traceable to National or International Standards. “This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/terms_e-document.htm . Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only.” SGS-CSTC Standards Technical Services Ltd. No. 1 Workshop, M-10, Middle section, Science & Technology Park, Shenzhen, Guangdong, China 518057 Telephone: +86 (0) 755 2601 2053 Fax: +86 (0) 755 2671 0594 Email: [email protected] FCC REPORT Application No. : SZEMO100401865RF Applicant: CHINA TOPWIN INDUSTRY CO., LTD. Product Name: RC CAR, RC TOYS, RC HOBBY Model Name: Please refer to page 3 of this report. Operation Frequency: 27.145MHz FCC ID: YCE86898755886 Standards: FCC Part 15 subpart C Section 15.227: 2008 Date of Receipt 14 April 2010 Date of Test 14 to 16 April 2010 Date of Issue 16 April 2010 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. “This document is issued by the Company subject to its General Conditions of Service printed overleaf, available on request or accessible at www.sgs.com/terms_and_conditions.htm and, for electronic format documents, subject to Terms and Conditions for Electronic Documents at www.sgs.com/terms_e-document.htm . Attention is drawn to the limitation of liability, indemnification and jurisdiction issues defined therein. Any holder of this document is advised that information contained hereon reflects the Company’s findings at the time of its intervention only and within the limits of Client’s instructions, if any. The Company’s sole responsibility is to its Client and this document does not exonerate parties to a transaction from exercising all their rights and obligations under the transaction documents. This document cannot be reproduced except in full, without prior written approval of the Company. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested and such sample(s) are retained for 90 days only.” Report No.: SZEMO10040186501 Page: 2 of 10 SGS-CSTC Standards Technical Services Ltd. 2 Contents Page 1 COVER PAGE 1 2 CONTENTS.............................................................................................................................................................. 2 3 TEST SUMMARY.................................................................................................................................................... 3 4 GENERAL INFORMATION.................................................................................................................................... 4 4.1 CLIENT INFORMATION............................................................................................................................................ 4 4.2 GENERAL DESCRIPTION OF E.U.T...........................................................................................................................4 4.3 E.U.T. ENVIRONMENT AND TEST MODES................................................................................................................ 4 4.4 TEST LOCATION...................................................................................................................................................... 5 4.5 OTHER INFORMATION REQUESTED BY THE CUSTOMER........................................................................................... 5 4.6 TEST FACILITY........................................................................................................................................................ 5 4.7 TEST INSTRUMENTS LIST........................................................................................................................................ 6 5 TEST RESULT & MEASUREMENT DATA......................................................................................................... 7 5.1 ANTENNA …

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Test Setup photo Radiated Emission (Y axis)