2ADXM22073CBTBluetooth speaker

SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 5.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (current) 4.0 5.0 Sept 16 2014 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 5.0 SHENZHEN TEKSUN TECHNOLOGY CO.,LTD 3F, bldg F7, F518 Idea Land ,Baoyuan Road,Xixiang Avenue, Bao’an District,Shenzhen,China 2015-3-25 To: SIEMIC, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, SHENZHEN TEKSUN TECHNOLOGY CO.,LTD hereby authorize SIEMIC, Inc. to act as a Certification Body for certifying for the following project(s): FCC ID: 2ADXM22073CBT Model: 3522073-CBT Product name: Bluetooth speaker Sincerely, signature : name / title: Mandy Peng / PMC address: 3F, bldg F7, F518 Idea Land ,Baoyuan Road,Xixiang Avenue, Bao’an District,Shenzhen,China

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 4.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (current) 3.0 4.0 March-26-2015 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 4.0 SHENZHEN TEKSUN TECHNOLOGY CO.,LTD 3F, bldg F7, F518 Idea Land ,Baoyuan Road,Xixiang Avenue, Bao’an District,Shenzhen,China 2015-3-27 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2ADXM22073CBT We hereby request confidential treatment of information accompanying this application as outlined below: - Block Diagram - Schematics - 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 & 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. Sincerely, signature : name / title: Mandy Peng / PMC address: 3F, bldg F7, F518 Idea Land ,Baoyuan Road,Xixiang Avenue, Bao’an District,Shenzhen,China

Model: 3522073-CBT FCC ID: 2ADXM22073CBT 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. Label location

Antenna location

FCC ID: 2ADXM22073CBT Keyway Testing Technology Co., Ltd. Report No. 15KWE032395F Page 1 of 27 FCC TEST REPORT(Bluetooth) for SHENZHEN TEKSUN TECHNOLOGY CO.,LTD Bluetooth Speaker Model Number: 3522073-CBT FCC ID: 2ADXM22073CBT Prepared for : SHENZHEN TEKSUN TECHNOLOGY CO.,LTD Address : 3F，bldg F7,F518 Idea Land,Baoyuan Road, Xixiang Avenue,Bao’an District,Shenzhen,CN Prepared by : Keyway Testing Technology Co., Ltd. Address : Baishun Industrial Zone, Zhangmutou Town, Dongguan, Guangdong, China Tel: 86-769-8718 2258 Fax: 86-769-8718 1058 Report No. : 15KWE032395F Date of Test : Mar. 21~ 24, 2015 Date of Report : Mar. 25, 2015 FCC ID: 2ADXM22073CBT Keyway Testing Technology Co., Ltd. Report No. 15KWE032395F Page 2 of 27 TABLE OF CONTENTS Test Report Declaration Page 1. TEST SUMMARY .......................................................................................................................... 4 2. GENERAL PRODUCT INFORMATION ......................................................................................... 4 2.1. Product Function .................................................................................................................... 4 2.2. Description of Device (EUT) .................................................................................................. 4 2.3. Difference between Model Numbers ...................................................................................... 4 2.4. Independent Operation Modes .............................................................................................. 4 2.5. Test Supporting System ......................................................................................................... 4 3. TEST SITES .................................................................................................................................. 5 3.1. Test Facilities ......................................................................................................................... 5 3.2. List of Test and Measurement Instruments ............................................................................ 6 4. TEST SET-UP AND OPERATION MODES .................................................................................. 7 4.1. Principle of Configuration Selection ....................................................................................... 7 4.2. Block Diagram of Test Set-up ................................................................................................ 7 4.3. Test Operation Mode and Test Software ............................................................................... 7 4.4. Special Accessories and Auxiliary Equipment ....................................................................... 7 4.5. Countermeasures to Achieve EMC Compliance .................................................................... 7 5. EMISSION TEST RESULTS ......................................................................................................... 8 5.1. Radiated Emission Test ....................................................................................................... 11 6. 20DB OCCUPY BANDWIDTH ..................................................................................................... 17 6.1. Limits .................................................................................................................................... 17 6.2. Test setup ............................................................................................................................ 17 7. BAND EDGE COMPLIANCE TEST ............................................................................................. 21 7.1. Limits .................................................................................................................................... 21 7.2. Test setup ............................................................................................................................ 21 8. ANTENNA REQUIREMENTS ...................................................................................................... 22 8.1. Limits .................................................................................................................................... 22 8.2. Result ................................................................................................................................... 22 9. PHOTOGRAPHS OF TEST SET-UP .......................................................................................... 23 10. PHOTOGRAPHS OF THE EUT ............................................................................................... 25 FCC ID: 2ADXM22073CBT Keyway Testing Technology Co., Ltd. Report No. 15KWE032395F Page 3 of 27 Keyway Testing Technology Co., Ltd. Applicant: Address: SHENZHEN TEKSUN TECHNOLOGY CO.,LTD 3F，bldg F7,F518 Idea Land,Baoyuan Road,Xixiang Avenue,Bao’an District,Shenzhen,CN Manufacturer: Address: SHENZHEN TEKSUN TECHNOLOGY CO.,LTD 3F，bldg F7,F518 Idea Land,Baoyuan Road,Xixiang Avenue,Bao’an District,Shenzhen,CN E.U.T: Bluetooth Speaker Model Number: 3522073-CBT Trade Name: ------ Serial No.: ------ Date of Receipt: Mar. 20, 2015 Date of Test: Mar. 21~ 24, 2015 Test Specification: FCC Part 15, Subpart C Section 15.249: Oct. 1, 2013 ANSI C63.4:2009 Test Result: The equipment under test was found to be compliance with the requirements of the standards applied. Issue Date: Mar. 25, 2015 Tested by: Reviewed by: Approved by: Andy Gao / Engineer Andy Gao / Supervisor Jade Yang/ Supervisor Other Aspects: None. Abbreviations: OK/P=passed fail/F=failed n.a/N=not applicable E.U.T=equipment under tested This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Keyway Testing Technology Co., Ltd. FCC ID: 2ADXM22073CBT Keyway Testing Technology Co., Ltd. Report No. 15KWE032395F Page 4 of 27 1. TEST SUMMARY Test Items Test Requiremen…

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Conducted Emission Test Radiated Emission Test