OVI-RF915Wireless Transmitter

User Manual Model NO.: RF-915

July 20, 2012 To: SIEMIC, INC. 775 Montague Expressway Milpitas, CA 95035 USA Dear Sir/Madam, Re: Project and Product Certification Representative Authorization Letter We, ______ DAKANG HOLDING Co., Ltd ___hereby authorize SIEMIC, INC. to act as a Certification Body for certifying for the following project(s): Product Description: Wireless Transmitter Model name: RF915 FCC ID: OVI-RF915 We affirm that between SIEMIC and _ DAKANG HOLDING 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.

SCS-F19: Confidentiality Request Letter Page 1 of 1 Rev 2.0 Jul 20, 2012 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Confidentiality Request regarding application for certification of FCC ID: OVI-RF915 We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Operational Description - Schematic 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 & 0.459 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application.

FCC Certification label Sample Rated voltage: 3V FCC ID: OVI-RF915 Mode NO: RF-915 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.

FCC Certification label location Sample Label location

Antenna

Page 1 of 30 FCC ID: OVI-RF915 ACCURATE TECHNOLOGY CO. LTD REPORT NO. ATE20121483 FCC CERTIFICATION On Behalf of DAKANG HOLDING CO., LTD Wireless Transmitter Model No.: RF-915 FCC ID: OVI-RF915 Prepared for : DAKANG HOLDING CO.,LTD. Address : Anji Economic Development Zone, Hu Zhou, Zhejiang Province, 313300, China Prepared by : ACCURATE TECHNOLOGY CO. LTD Address : F1, Bldg. A, Changyuan New Material Port, Keyuan Rd. Science & Industry Park, Nanshan, Shenzhen, Guangdong P.R. China Tel: (0755) 26503290 Fax: (0755) 26503396 Report Number : ATE20121483 Date of Test : Jul. 4-Jul. 19, 2012 Date of Report : Jul. 19, 2012 Page 2 of 30 FCC ID: OVI-RF915 ACCURATE TECHNOLOGY CO. LTD REPORT NO. ATE20121483 TABLE OF CONTENTS Description Page Test Report Certification 1. GENERAL INFORMATION .......................................................................................................... 4 1.1. Description of Device (EUT)....................................................................................................................4 1.2. Description of Test Facility ......................................................................................................................4 1.3. Measurement Uncertainty.........................................................................................................................5 2. MEASURING DEVICE AND TEST EQUIPMENT ..................................................................... 6 3. SUMMARY OF TEST RESULTS................................................................................................... 7 4. FUNDAMENTAL AND HARMONICS RADIATED EMISSION FOR SECTION 15.249(A) 8 4.1. Block Diagram of Test Setup....................................................................................................................8 4.2. The Emission Limit ..................................................................................................................................9 4.3. Configuration of EUT on Measurement ...................................................................................................9 4.4. Operating Condition of EUT ....................................................................................................................9 4.5. Test Procedure ........................................................................................................................................10 4.6. The Field Strength of Radiation Emission Measurement Results ..........................................................11 5. SPURIOUS RADIATED EMISSION FOR SECTION 15.249(D) ............................................. 13 5.1. Block Diagram of Test Setup..................................................................................................................13 5.2. The Emission Limit For Section 15.249(d) ............................................................................................14 5.3. EUT Configuration on Measurement .....................................................................................................14 5.4. Operating Condition of EUT ..................................................................................................................14 5.5. Test Procedure ........................................................................................................................................15 5.6. The Emission Measurement Result ........................................................................................................16 6. BAND EDGES ................................................................................................................................. 18 6.1. The Requirement ....................................................................................................................................18 6.2. EUT Configuration on Measurement .....................................................................................................18 6.3. Operating Condition of EUT ..................................................................................................................18 6.4. Test Procedure ........................................................................................................................................18 6.5. The Measurement Result ........................................................................................................................18 7. ANTENNA REQUIREMENT........................................................................................................ 21 7.1. The Requirement ....................................................................................................................................21 7.2. Antenna Construction .............................................................................................................................21 APPENDIX I ( TEST CURVES) Page 3 of 30 FCC ID: OVI-RF915 ACCURATE TECHNOLOGY CO. LTD REPORT NO. ATE20121483 Test Report Certification Applicant : DAKANG HOLDING CO., LTD Manufacturer : SHENZHEN CITY PENGLIN ELECTROVIC CO., LTD EUT Description : Wireless Transmitter (A) MODEL NO.: RF-915 (B) Trade Name.: XRocker (C) POWER SUPPLY: 3V DC (“AAA” batteries 2×) Measurement Procedure Used: FCC Rules and Regulations Part 15 Subpart C Section 15.249 ANSI C63.4: 2003 The device described above is tested by ACCURATE TECHNOLOGY CO. LTD to determine the maximum emission levels emanating from the device. The maximum emission levels are compared to the FCC Part 15 Subpart C Section15.249 limits. The measurement results are contained in this test report and ACCURATE TECHNOLOGY CO. LTD is assumed full responsibility for the accuracy and completeness of these measurements. Also, this report shows that the Equipment Under Test (EUT) is to be technically compliant with the FCC requirements. This report applies to above tested sample only. This report shall not be reproduced in part without written approval of ACCURATE TECHNOL…

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Radiated spurious test: Up to 1G; Above 1G: