2A9QS-S301Home Theater Sound Bar System With HDMi (Arc)

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<ZhejiangHengdianImp&Exp.Co.,Ltd> OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Jan.07,2023 Subject;RequestforLongTermConfidentiality FCCID:2A9QS-S301 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,weare requestingtheCommissiontowithholdthefollowingattachment(s)asconfidentialdocumentsfrom publicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredasproprietary informationinoperationoftheequipment.Thepublicdisclosureofthesedocumentsmightbeharmfulto ourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatandcorrespondenceduring thecertificationreviewprocesscannotbegrantedasconfidentialdocumentsandthisinformationwillbe availableforpublicreviewoncethegrantofequipmentauthorizationisissued. Sincerely, Signature:KaiLv Name: Title:Manager

ZhejiangHengdianImp&Exp.Co.,Ltd LetterofAuthorization Company:ZhejiangHengdianImp&Exp.Co.,Ltd Address:17/F,T1,HengdianCenter,No.136FuchunRoad,ShangchengDistrict, Hangzhou,China Productname:HomeTheaterSoundBarSystemWithHDMi(Arc) Tradename:Trefan Modelname:TF-S301,TF-S302,TF-S303,TF-S304,TF-S305,TF-S306,TF-S307, TF-S308,TF-S309 FCCIdentifier:2A9QS-S301 WeauthorizeMiCOMLabsInc,575BoulderCourt,Pleasanton,California94566, USA,toactonourbehalfonallmattersconcerningtheabovenamedequipment. AnyindividualwithinMiCOMLabsisauthorizedtoactonourbehalfandtake actionontheapplication. WedeclarethatMiCOMLabsInc,575BoulderCourt,Pleasanton,California 94566,USA,isallowedtoforwardallinformationrelatedtotheapprovalproject totheFederalCommunicationCommissionandtodiscussanyissues concerningtheapprovalapplication.AnyandallactscarriedoutbyMiCOMLabs onourbehalfshallhavethesameeffectasactsofourown. Name:KaiLvDate:Jan.07,2023 Title:Manager Signatureofapplicant:

ModelDifferenceDeclaration ToWhomItMayConcern, We,ZhejiangHengdianImp&Exp.Co.,Ltd ProductName:HomeTheaterSoundBarSystemWithHDMi(Arc) TradeMark:Trefan ModelName:TF-S301,TF-S302,TF-S303,TF-S304,TF-S305, TF-S306,TF-S307,TF-S308,TF-S309 Allmodel’sthefunction,softwareandelectriccircuitarethesame,onlywitha productcolorandmodelnameddifferent.Testsamplemodel:TF-S301. Pleasecontactmeifyouhaveanyquestion. Name:KaiLv Date:Jan.07,2023 Title:Manager Signatureofapplicant:

Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301

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Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 Model:TF-S301 PCBantenna

OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Performed by: Peng Tao Approved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86‐021‐50791141/2/3 FAX: +86‐021‐50791141/2/3‐8000 Applicant SHANGHAI MOUNTAIN VIEW SILICON CO LTD Product SMARTRF_BOARD_2In1 Model AT2 Report No. Y2003A0190-T1 Issue Date April 2, 2020 OTA Test Report Report No: Y2003A0190-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 19 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3. Testing Location ................................................................................................................ 3 1.4. Laboratory Environment .................................................................................................... 4 2. General Description of Equipment under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ............................................................................ 5 2.2. General information ........................................................................................................... 5 2.3. Test Date ........................................................................................................................... 5 2.4. Applied Standards ............................................................................................................. 6 3. Test Conditions .............................................................................................................................. 7 3.1. Test Configuration ............................................................................................................. 7 3.2. Test Measurement ............................................................................................................. 7 4. Test Results ................................................................................................................................... 8 4.1. Gain and Efficiency ............................................................................................................ 8 4.2. Voltage Standing Wave Ratio (VSWR) .............................................................................. 9 4.3. Antenna S11 .................................................................................................................... 12 4.4. Impedance ....................................................................................................................... 15 5. Equipment List ............................................................................................................................. 17 APPENDIX A 3-D Pattern Plots ............................................................................................................. 18 ANNEX A：The EUT Appearance and Test Configuration ................................................................. 19 A.1 Test Configuration .............................................................................................................. 19 OTA Test Report Report No: Y2003A0190-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 19 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform electromagnetic emission measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: Y2003A0190-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 19 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Laboratory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5 OTA Test Report Report No: Y2003A0190-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 19 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment under Test 2.1. Applicant and Manufacturer Information Applicant Name SHANGHAI MOUNTAIN VIEW SILICON CO LTD Applicant address Floor 4C, Building 3, Hengyue International Building, Lane 1238, Zhangjiang Road, Pudong New Area,…

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Page 1 of 41 Report No.: UNIA22121406ER-61 FCC RADIO TEST REPORT FCC ID: 2A9QS-S301 Sample： Home Theater Sound Bar System With HDMi (Arc) Trade Mark： Trefan Main Model： TF-S301 Additional Model： TF-S302, TF-S303, TF-S304, TF-S305, TF-S306, TF-S307, TF-S308, TF-S309 Report No.： UNIA22121406ER-61 Prepared for Zhejiang Hengdian Imp & Exp. Co., Ltd 17/F,T1,Hengdian Center,No.136 Fuchun Road,Shangcheng District, Hangzhou,C hi na Prepared by Shenzhen Uni ted Testi ng Technology Co., Ltd. 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang C ommuni ty, Xi xi ang Str, Bao'an D i stri ct, Shenzhen, C hi na Page 2 of 41 Report No.: UNIA22121406ER-61 TEST RESULT CERT IFICAT ION Applicant.............................. Zhejiang Hengdian Imp & Exp. Co., Ltd Address ................................. 17/F,T1,Hengdian Center,No.136 Fuchun Road,Shangcheng District,Hangzhou,China Manufacturer ....................... Ruijin Trefan Technology Co., Ltd. Address ................................. Jinyuan Road, Economic and Technological Development Zone, Ruijin City, Jiangxi Product description Product.................................. Home Theater Sound Bar System With HDMi (Arc) Trade Mark ............................ Trefan Model Name.......................... TF-S301, TF-S302, TF-S303, TF-S304, TF-S305, TF-S306, TF-S307, TF-S308, TF-S309 Test Methods ....................... FCC Rules and Regulations Part 15 Subpart C Section 15.249, ANSI C63.10: 2013 This device described above has been tested by Shenzhen United Testing Technology Co., Ltd., and the test results show that the equipment under test (EUT) is in compliance wi th the FCC requirements. And it is applicable only to the tested sample identified i n the report. This report shall not be reproduced except in full, without the written approval of UNI, this document may be altered or revised by Shenzhen United Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. Date of Test .......................................... Date (s) of performance of tests ............ Dec. 19, 2022 ~ Jan. 04, 2023 Date of Issue .......................................... Jan. 11, 2023 Test Result ............................................. Pass Prepared by: Kahn Yang/Supervisor Reviewer: Kelly Cheng/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 41 Report No.: UNIA22121406ER-61 Table of Contents Pages 1 TEST SUMMARY 4 1.1 TEST PROCEDURES AND RESULTS 4 1.2 TEST FACILITY 5 1.3 MEAS UREME NT UNCERTAINTY 6 1.4 ENVIRONMENTAL CONDITIONS 6 2 GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF EUT 7 2.2 CARRIER FREQUENCY OF CHANNELS 8 2.3 TEST MODE 8 2.4 TEST SETUP 9 2.5 EQUIPMENT USED IN TESTED SYSTEM 9 2.6 MEASUREMENT INSTRUMENTS LIST 10 3 CONDUCTED EMISSION 11 3.1 TEST LIMIT 11 3.2 TEST SETUP 11 3.3 TEST PROCEDURE 12 3.4 TEST RESULT 12 4 RADIATED EMISSION 15 4.1 TEST LIMIT 15 4.2 TEST SETUP 16 4.3 TEST PROCEDURE 17 4.4 TEST RESULT 17 5 BAND EDGE 29 5.1 TEST LIMIT 29 5.2 TEST PROCEDURE 29 5.3 TEST RESULT 29 6 OCCUPIED BANDWIDTH 32 6.1 TEST SETUP 32 6.2 TEST PROCEDURE 32 6.3 TEST RESULT 32 7 ANTE NNA REQUIREMENT 39 8 PHOTO OF TEST 40 8.1 R AD IATED E MISSIO N 40 8.2 CONDUCTED EMISSION 41 Page 4 of 41 Report No.: UNIA22121406ER-61 1 TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS Note: “N/A” denotes test is not applicable in this Test Report. Item FCC Rules Description Of Test Result 1 FCC Part 15.207 Conducted Emission Pass 2 FCC Part 15.209/15.249 Radiated Emission Pass 3 FCC Part 15.249/15.205 Band Edge Pass 4 FCC Part 15.215 Occupied Bandwidth Pass 5 FCC Part 15.203 Antenna Requirement Pass Page 5 of 41 Report No.: UNIA22121406ER-61 1.2 TEST FACILITY Test Firm : Shenzhen United Testing Technology Co., Ltd. Address : 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd,Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19.The testing quality system of our laboratory meets with ISO/IEC-17025 requirements. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: A2LA Certificate Number: 4747.01 The EMC Laboratory has been accredited by A2LA, and in compliance with ISO/IEC 17025:2017 General Requirements for testing Laboratories. FCC Registration Number: 0027159896 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. IC Registration Number: 21947 The EMC Laboratory has been registered and fully described in a report filed with the (IC) Industry Canada. Page 6 of 41 Report No.: UNIA22121406ER-61 1.3 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. A. Conducted Measurement: Test Site Method Measurement Frequency Range U, (dB) NOTE UNI ANSI 9kHz ~ 150kHz 2.96 150kHz ~ 30MHz 2.44 B. Radiated Measurement: Test Site Method Measurement Frequency Range U, (dB) NOTE UNI ANSI 9kHz ~ 30MHz 2.50 30MHz ~ 1000MHz 4.80 Above 1000MHz 4.13 C. RF Conducted Method: Item Measurement Uncertainty Uncertainty of total RF power, conducted U c = ±0.8 dB Uncertainty of RF power density, conducted U c = ±2.6 dB Uncertainty of spurious emissions, conducted U c = ±2 % Uncertainty of Occupied Channel Bandwidth U c = ±2 % 1.4 ENVIRONMENTAL CONDITIONS During the measurement the environmental conditions were within the listed ranges: Temperature: 15~35 °C Relative Humidity: 30~60 % Air Pressure: 950~1050 hPa Page 7 of 41 Report No.: UNIA22121406ER-61 2 GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product: Home Theater Sound Bar System With HDMi (Arc) Trade Mark: Trefan Main Model: TF-S301 Additional Model: TF-S302, TF-S303, TF-S304, TF-S305, TF-S306, TF-S307, TF-S308, TF-S309 Model D…

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Model:TF-S301 RadiatedEmissiontest Model:TF-S301 ConductedEmissiontest