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OEOTLSR9218ARC48DB91 Audio RCU

Telink Semiconductor (Shanghai) Co., Ltd.
B91 Audio RCU - FCC ID OEOTLSR9218ARC48D - Telink Semiconductor (Shanghai) Co., Ltd.
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Application Details

Equipment Class
DTS - Digital Transmission System
Date of Grant
Dec 21, 2022
Application Purpose
Original Equipment
Date of Application
Dec 21, 2022
Equipment Note
B91 Audio RCU
Frequency Range
2402.00000000 - 2480.00000000
Company
Telink Semiconductor (Shanghai) Co., Ltd.
Country
China

Documents & Files

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Users Manual

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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RF Exposure Info

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

TelinkB91AudioRCUUserManual AN-22112900-E1 Ver.0.1.0 2022/11/29 Keyword Features;Pinconnection;Usermanual Brief ThisisausermanualforTelinkB91AudioRCU. TelinkB91AudioRCUUserManual AN-20051200-E3 1 Ver.0.3.0 Publishedby TelinkSemiconductor Bldg3,1500ZuchongzhiRd, ZhangjiangHi-TechPark,Shanghai,China ©TelinkSemiconductor AllRightReserved LegalDisclaimer Thisdocumentisprovidedas-is.TelinkSemiconductorreservestherighttomakeimprovementswithout furthernoticetothisdocumentoranyproductsherein.Thisdocumentmaycontaintechnicalinaccuraciesor typographicalerrors.TelinkSemiconductordisclaimsanyandallliabilityforanyerrors,inaccuraciesor incompletenesscontainedherein. Copyright©2020TelinkSemiconductor(Shanghai)Co.,Ltd. Information Forfurtherinformationonthetechnology,productandbusinessterm,pleasecontactTelinkSemiconductor Company(www.telink-semi.com). Forsalesortechnicalsupport,pleasesendemailtotheaddressof: [email protected] [email protected] TelinkB91AudioRCUUserManual AN-20051200-E3 2 Ver.0.3.0 RevisionHistory VersionChangeDescription V0.1.0Initialrelease. 1. 1. TelinkB91AudioRCUUserManual AN-20051200-E3 3 Ver.0.3.0 TableofContents RevisionHistory.......................................................................................................................................2 TableofContents....................................................................................................................................3 1.ProductIntroduction...............................................................................................................................4 1.1 GENERALDESCRIPTION...................................................................................................................................................................4 1.2 KEYFEATURES.............................................................................................................................................................................4 2.PinConnectionGuide.............................................................................................................................5 2.1SUPPLYPOWER...........................................................................................................................................................................5 2.2 DOWNLOADFIRMWARE.................................................................................................................................................................8 2.3TESTRFSIGNAL.........................................................................................................................................................................10 TelinkB91AudioRCUUserManual AN-20051200-E3 4 Ver.0.3.0 1.ProductIntroduction ThisisausermanualforTelinkB91AudioRCU. 1.1Generaldescription TheTLSR9218ARCU48D,whichisbasedonTelinkTLSR9218Achip,providesaBluetoothLE+ IEEE802.15.4multi-standardwirelesssystem. TheTLSR9218ARCU48DisthelatestadditiontoTelink’sfamilyofhigh-performance, ultra-low-power,cost-optimized,muti-protocolwirelessconnectivitySoCs.Itintegratesapowerful32-bit RISC-VMCUwithavarietyofpowerfulcorefeaturesandperipheralblockstoprovideafoundationfor advancedIoTdevices.itincludesmulti-stagepowermanagementdesignallowingultra-lowpower operationandmakingittheidealcandidateforpower-sensitiveapplications.levelofintegrationenables customerstooptimisetotalsystemcost. 1.2Keyfeatures Bluetooth5Compliant,1Mbps,2Mbps,LongRange125kbpsand500kbps 64kBon-chipSRAMwithuptoupto32kBretention ArichsetofI/Os:SPI,I2C,Singlewire,upto32GPIOs,UARTwithhardwareflowcontroland7816protocol support,DMIC(DigitalMic),AMIC(AnalogMic),I2S,StereoAudiooutput 6-channelPWM(PulseWidthModulation)output TXoutputpower:Typ.7dBm RSSImonitoringwith+/-1dBresolution Powersupply:DC3.0V TelinkB91AudioRCUUserManual AN-20051200-E3 5 Ver.0.3.0 2.PinConnectionGuide 2.1Supplypower TheTLSR9218ARCU48Dsupportssupplypowerviabatteryorother3.0Vpower. Thepowerconnectionisshownbelow,connectthepowertothe3VofTP3,andconnecttheGNDofTP4. TelinkB91AudioRCUUserManual AN-20051200-E3 6 Ver.0.3.0 Figure1Connectioncharttosupplypower 3V GND TelinkB91AudioRCUUserManual AN-20051200-E3 7 Ver.0.3.0 Whentheremotecontrolisusedwithashell,itisdirectlypoweredbytwodrybatteries.Asshownbelow. 3V,2drybatteries TelinkB91AudioRCUUserManual AN-20051200-E3 8 Ver.0.3.0 2.2Downloadfirmware TodownloadfirmwareintoTLSR9218ARCU48D,firstmakesuretheTLSR9218ARCU48Dissuppliedwith powernormally.Thatis,connectthepowertotheVDDofTP3,andconnecttheGNDtoTP4.Seethenextpage pictureshows. ThenconnectTP1(SWS)oftheTLSR9218ARCU48DwithSWMofaburningEVK.Meanwhile,connectthe miniUSBinterfaceoftheburningEVKwithPCUSB. TelinkB91AudioRCUUserManual AN-20051200-E3 9 Ver.0.3.0 Figure2Connectioncharttodownloadfirmware 3V3 SWS GND TelinkB91 AudioRCU User Manual AN-20051200-E3 10 Ver.0.3.0 2.3 Test RF signal To test RF signal of TLSR9218ARCU48D, first make sure the TLSR9218ARCU48D is supplied with power normally. That is, connect the power to the VDD of TP3, and connect the GND to TP4. Attach the semi-rigid cable welding steel to the PCBA GND. Then solder wire core to feed point. See the next page picture shows. FCC This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the …

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Cover Letter(s)

DATE2022/12/13 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:OEOTLSR9218ARC48D__ Product Name: _B91 Audio RCU___ Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...)  Schematics  Block diagram Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name:Xiang Li Title:Manager Company : Telink Semiconductor (Shanghai) Co., Ltd.

Cover Letter(s)

DATE: 2022/12/13 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint BlueAsia of Technical Services(Shenzhen) Co., Ltd.AND BuildingC,No.107,ShihuanRoad,ShiyanStreet,BaoanDistrict,Shenzhen (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on ourbehalf, I acknowledge that all responsibility for complying with the terms and conditionsfor certification, still resides with Telink Semiconductor (Shanghai) Co., Ltd.AndBuilding 3, No. 1500 Zuchongzhi Rd Zhangjiang Hi-Tech Park, Shanghai (Applicant Name and address) <Signature> Name : Xiang Li Title : Manager Company:Telink Semiconductor (Shanghai) Co., Ltd.

External Photos

ProductName: B91AudioRCU

ID Label/Location Info

FCCID:OEOTLSR9218ARC48D

Internal Photos

ProductName: B91AudioRCU

RF Exposure Info

RFExposureevaluation ProductName: B91AudioRCU FCCID: OEOTLSR9218ARCU48D TestStandard: KDB447498D04GeneralRFExposureGuidance v01 Accordingto447498D04InterimGeneralRFExposureGuidancev01 Antgain=2.25dBi MAXoutputpower:2.877dBm@2480MHz ERP=2.877+2.59-2.15=3.317dBm WORSECASE: 10^3.317=2.146mW<2.715mW ThenSARevaluationisnotrequired

Test Report

Page 1 of 67 BlueAsia Technical Services(Shenzhen) Co.,Ltd. Add: No.41, South of Beihuan Road, Shangwu Community, Shiyan Subdistrict, Bao’an District, Shenzhen,Guangdong ,China Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com TEST REPORT Product Name : B91 Audio RCU Brand Mark : Telink Model No. : TLSR9218ARCU48D Report Number : BLA-EMC-202211-A7302 FCC ID : OEOTLSR9218ARC48D Date of Sample Receipt : 2022/11/24 Date of Test : 2022/11/24 to 2022/12/7 Date of Issue : 2022/12/7 Test Standard : 47 CFR Part 15, Subpart C 15.247 Test Result : Pass Prepared for: Telink Semiconductor (Shanghai) Co., Ltd. Building 3, No. 1500 Zuchongzhi Rd Zhangjiang Hi-Tech Park, Shanghai Prepared by: BlueAsia Technical Services(Shenzhen) Co.,Ltd. No.41, South of Beihuan Road, Shangwu Community, Shiyan Subdistrict, Bao’an District, Shenzhen,Guangdong, China TEL: +86-755-23059481 Compiled by: Review by: Approved by: Date: 2022/12/7 Report No.: BLA-EMC-202211-A7302 Page 2 of 67 BlueAsia Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com REPORT REVISE RECORD Version No. Date Description 00 2022/12/7 Original Report No.: BLA-EMC-202211-A7302 Page 3 of 67 BlueAsia Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com TABLE OF CONTENTS 1 TEST SUMMARY ........................................................................................................................................5 2 GENERAL INFORMATION .........................................................................................................................6 3 GENERAL DESCRIPTION OF E.U.T. .........................................................................................................6 4 TEST ENVIRONMENT ................................................................................................................................7 5 TEST MODE ................................................................................................................................................7 6 MEASUREMENT UNCERTAINTY ..............................................................................................................7 7 DESCRIPTION OF SUPPORT UNIT...........................................................................................................8 8 LABORATORY LOCATION .........................................................................................................................8 9 TEST INSTRUMENTS LIST ........................................................................................................................9 10 CONDUCTED BAND EDGES MEASUREMENT ...................................................................................... 11 10.1 LIMITS .............................................................................................................................................................. 11 10.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 11 10.3 TEST DATA .......................................................................................................................................................... 12 11 ANTENNA REQUIREMENT ..................................................................................................................... 13 11.1 CONCLUSION ....................................................................................................................................................... 13 12 RADIATED SPURIOUS EMISSIONS ....................................................................................................... 14 12.1 LIMITS .............................................................................................................................................................. 14 12.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 15 12.3 PROCEDURE ..................................................................................................................................................... 15 12.4 TEST DATA .......................................................................................................................................................... 17 13 RADIATED EMISSIONS WHICH FALL IN THE RESTRICTED BANDS................................................. 25 13.1 LIMITS .............................................................................................................................................................. 25 13.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 26 13.3 PROCEDURE ..................................................................................................................................................... 26 13.4 TEST DATA .......................................................................................................................................................... 28 14 CONDUCTED SPURIOUS EMISSIONS .................................................................................................. 32 14.1 LIMITS .............................................................................................................................................................. 32 14.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 32 14.3 TEST DATA .......................................................................................................................................................... 33 Report No.: BLA-EMC-202211-A7302 Page 4 of 67 BlueAsia Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com …

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Test Report

*$1G%L 1.Antenna describe: Antenna plateMonoploe antenna Make name/model nameAnt Frequency range2.4GHZ-2.5GHZ Connector typedirect 2.External view drawing: Picture of antenna(UNIT:MM) 3.Antenna Radiation Pattern ZX planeZY planeXY plane FrequenceMax Vlaue AverageMax Vlaue AverageMax Vlaue Average [MHz][dB][[dB]dB][dB][dB][dB] 24002.59 0.87 0.79 -4.074.96 -1.63 24502.47 0.63 1.42 -4.004.00 -1.86 25002.31 0.89 0.55 -3.604.80 -1.54 Radiation Pattern XOZRadiation Pattern YOZRadiation Pattern XOY Manufacturer:Telink Semiconductor (Shanghai) Co., Ltd. Building 3, No. 1500 Zuchongzhi Rd Zhangjiang Hi-Tech Park, Shanghai Antenna describe

Test Setup Photos

ProductName: B91AudioRCU RadiatedSpuriousEmissions

Contact Information

Applicant

Xiang Li
[email protected]+862120281118Fax: +862150388081

Test Firm

BlueAsia of Technical Services (Shenzhen)Blue Zheng
[email protected]+86 755-23059481-815

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz1.94 mW
Confidentiality
Long Term
Grant Notes
Output power listed is conducted.

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