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2BG7T-TPL3131Bluetooth module

Shanghai Tanpin Technology Co., Ltd.
Bluetooth module - FCC ID 2BG7T-TPL3131 - Shanghai Tanpin Technology Co., Ltd.
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Application Details

Equipment Class
DTS - Digital Transmission System
Date of Grant
May 20, 2026
Application Purpose
Original Equipment
Equipment Note
Bluetooth module
Frequency Range
2402.00000000 - 2480.00000000
Company
Shanghai Tanpin Technology Co., Ltd.
Country
China

Documents & Files

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Users Manual

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Attestation Statements

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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

TPL3135 BLE Module Datasheet Version:V1.1 Copyright:©2025 TPL3135 BLE Module Datasheet 1、Introduction 2、Module Parameters 3、Module Size 4、Pin Definition 5、Reference Design 5.1、VBAT Power Supply Reference Design 5.2、VCC Power Supply Reference Design 6、Hardware Design Considerations 6.1、Module placement requirements on the bottom plate 6.2、Power supply requirements 6.3、UART Communication 7、Reflow Profile 8、Revision History ItemParameters Module NameTPL3131 PackageSMT(Stamp Hole) Size11.2x15.06(mm) Voltage RangeVBAT( 2.7V~5.5V)或 VCC ( 1.9V~3.5V) Wireless StandardBluetooth 5.4 Frequency Range2402~2480MHz Sensitivity-92dBm Default Communication interfaceUART FLASH Size256KB RAM Size32KB Operating current3.5mA Sleep current3uA Shutdown current200nA GPIO Number2 Work Temperature-20°C~+85°C Storage Temperature-60°C~+150°C 1、Introduction TPL3131 is a BLE 5.4 low power Bluetooth module, which can be widely used in short distance wireless Bluetooth communication. It has the characteristics of small size, low power consumption, strong anti-interference ability and long transmission distance. The other main features of the module are as follows: compliant with Bluetooth 5 .4 standard, which can support various Profile configurations. Support low power Bluetooth data transparent transmission Support AT command control Support online OTA upgrade module firmware Ultra small package 2、Module Parameters 3、Module Size Top View Side view NumberNamePinFunctionNotes 1NCNCNCNot connected 2TXUART_TX Serial port transmission 3RXUART_RX Serial port receiving 4GNDGround Power 'Ground' 5VCCVCC Power supply( 1.9V~3.5V) Two AA batteries/button cell batteries are recommended. When powered by VBAT, it outputs 3.3V voltage externally. 6VBATVBAT Power supply ( 2.7V~5.5V) 5V/3.3V power supply, 4.2V lithium battery, three dry cells recommended for use 4、Pin Definition Explanation: When powered by VBAT, the VCC pin outputs 3.3V externally and can only be used as a signal source, with a maximum output current of 10mA. 5、Reference Design The TPL3131 module can be powered through either the VBAT pin or the VCC pin. The VBAT pin supports 2.7-5.5V, and it is recommended to use the VBAT pin for 5V and 3.3V systems. The VCC pin supports 1.9V-3.5V, and it is recommended to use the VCC pin when powering with two dry batteries or button batteries. 5.1、VBAT Power Supply Reference Design For 5V or 3.3V system power supply, the VBAT power supply pin is used. When the VBAT power supply is greater than 3.3V, the TPL3131 chip serial port level is 3.3V. When the VBAT power supply is less than 3.3V, the TPL3131 chip serial port level equals the VBAT voltage. When connected to an MCU with 3.3V level IO, UART can be connected in series with a 100Ω resistor. When connecting to an MCU with 5V level IO, it is recommended to use a level conversion circuit. The schematic provides a 3.3V to 5V conversion circuit using MOSFETs. Among them, the MCU serial ports Custom_Tx and Custom_Rx used for Bluetooth communication are at 5V level. When the VBAT pin is powered, the internal LDO of the chip will be activated, and VCC outputs a 3.3V voltage externally. 说明: In the diagram, VCC_3V3 is the voltage output externally converted by the internal LDO of the chip. The customer only needs to provide 5V voltage from VBAT. The circuit with two 2N7002 MOSFETs is a serial port level conversion circuit designed, and it can be replaced with other conversion circuits. The TPL3131 serial port IO level is 3.3V. It is recommended to use a conversion circuit when connecting to a 5V level. If a modular power-off method is used to control shutdown power consumption, it is recommended to disconnect the GND circuit to prevent leakage current due to voltage differences at the IO interfaces. 5.2、VCC Power Supply Reference Design Two dry batteries or button batteries are recommended to power via the VCC pin, and the MCU serial ports Custom_Tx and Custom_Rx used for Bluetooth communication need to be equal to or lower than the VCC voltage. 说明: The VCC (1.9V~3.5V) pin is powered, and the VBAT is left floating and not connected. The TX and RX of the chip need to be cross-connected with the main control MCU, and the series-connected resistors R1 and R3 in between can be added according to requirements. If using a module power-off method to control shutdown power consumption, it is recommended to disconnect the GND circuit to prevent leakage current caused by voltage differences at the IO interface. 6、Hardware Design Considerations 6.1、Module placement requirements on the bottom plate (1) In order to meet the performance of the antenna on board, it is forbidden to place metal parts around the antenna, away from high frequency devices.Avoid using metal in the product housing and keep metal screw inside away from the RF part of the module. (2) Pay attention to the layout of the module on the soleplate, and minimize the impact of the soleplate on the performance of the module PCB antenna. The following are suggested: Option 1: Place the module at the edge of the motherboard and the antenna area extends beyond the edge of the motherboard. Option 2: Place the module at the edge of the motherboard, which empties an area at the antenna position. Option 3: If the above scheme is limited and cannot be implemented, make sure that the area of the module PCB antenna and the area of 5 mm extension need to be cleared (copper, wiring and placement of components are strictly prohibited). 6.2、Power supply requirements (1) It is recommended to use DC regulator power supply to supply power to the module. The power ripple factor is as small as possible and the module needs to be grounded reliably. Please note that the correct connection between the positive and negative poles of the power supply, such as reverse connection may cause permanent damage to the module. (2) Check the power supply to ensure that between the recommended supply voltage, if the maximum value is exceeded, the module will be permane…

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Attestation Statements

Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList Shanghai Tanpin Technology Co.,Ltd Covered Equipment Certification Attestation Letter DATE:2026/04/14 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID:2BG7T-TPL3131 Shanghai Tanpin Technology Co.,Ltd(“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. ,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. <Signature> Name:Junping Zhang Title:/ Company: Shanghai Tanpin Technology Co.,Ltd (“the applicant”) certifies that, as of the date of the filing ofthe application, the applicantis notidentified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. ShanghaiTanpinTechnologyCo.,Ltd(“the applicant”)ertifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Shanghai Tanpin Technology Co.,Ltd

Attestation Statements

* the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. SC6046331 U.S. Agent Designation for Service of Process - Certification Attestation Letter 4/15/2026 TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2BG7T-TPL3131 FRN of applicant: 0035601871 Per section 2.911(d)(7) of the FCC rules, Shanghai Tanpin Technology Co., Ltd. FRN: 0035601871(“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Global Product Services and Consultation LLC FCC Registration Number (FRN): 0033406703 Physical U.S. Company Address: 328 W Palm Ave. Monrovia, CA91016 Contact Person: Michael Chan Tel: +1 626 366 4358 Agent Email Address: [email protected] The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Agent Signed (if different from Applicant): Signed: Printed name: Junping Zhang Title: Manager Company Name: Shanghai Tanpin Technology Co., Ltd. Date: 4/15/2026 Signed: Printed name: Michael Chan Title: Technical Director Company Name: Global Product Services and Consultation LLC Date: 4/15/2026

Cover Letter(s)

F e d e r a l C o m m un i c a t i on s C o m m i ss i o n A u t h o r i za t i on & E v a l ua t i o n D i v i s i o n 7 3 4 5 O a k l a n d M il l s R o a d C o l u m bi a , M a r y l a n d 2 10 4 D A T E : 2 0 2 6 /4 / 1 4 6 A u t h or i t y t o A c t as A g en t O n o u r b e h a l f , I a pp o i n t B l u e A s i a o f T e c h n i c a l S e r v i ce s ( S h e n z h e n ) C o , L t d A n d B u i l d i n g C , N o . 107 , S h i h u an R o a d , S h i y an S u b - D i s t r i c t , B a o an D i s t r i c t , S h e n z h e n G uang d ong P ro v i n ce , C hi n a ( N a me o f A g e n t c om p a n y n a m e a n d a d d r e s s ) t o a c t a s o u r agen t i n t h e prepara t i on o f t h i s a p p l i c a t i o n f o r e q u i p me n t c e r t i f i ca t i o n . I c e r t i f y t h a t s u b m i t t e d d o cu m e n t s p r o p e r l y d e s cr i b e t h e d e v i c e o r s y s t e m f o r w h i c h e q u i p m e n t c e r t i f i ca t i o n i s s o u g h t . I a l s o ce r t i f y t h a t e a c h u n i t m anu f a c t u r e d , i m p o r t e d o r m ar k e t e d , a s d e fi n e d i n t h e F e d e r a l C o m mu n i ca t i o n s C o m m i ss i o n ' s re g u l a t i o n s w i ll h a v e a ff i x e d t o i t a l a b e l i d e n t i c a l t o t h a t s u b m i t t e d f o r a p p r o v a l w i t h t h i s a p p li c a t i o n F o r i n s t anc es w h e re o u r au t h o r i z e d a g en t s i g n s t h e a p p l i ca t i o n f o r c e r t i f i c a t i o n o n o ur b e h a l f , I a c k no w l e d g e t h a t a ll res p o n s i b i li t y f o r c o m p l y i n g w i t h t h e t e rm s an d c o n d i t i o ns f o r c e rt i f i c a t i o n , s t i l l r e s i d e s w i t h S h a n g h a i T a n p i n T e c h n o l o gy C o . , L t d A n d B u i l d i n g C , N o 888 H ua n h u W e s t 2 n d R o a d , L i n g a n g N e w A re a , P u d on g N e w A r e a , S h a n g h a i , C hi n a ( A pp l i can t N ame an d a dd r e s s ) < S i g n a t ur e > N a m e : J u n p i n g Z h a n g T i t l e : M a n a g e r C o m p an y : S h an g h a i T a n p i n T e c h n o l o g y C o , L t d

Cover Letter(s)

Date:2026/4/14 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorizeCompliance Testing, LLCto act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, <Signature> Name:Junping Zhang Title:/ Company:Shanghai Tanpin Technology Co.,Ltd

Cover Letter(s)

E q u i p m e n t A u t o r i s a t i o n D i v i s i on F e d e r a l C o m mu n i ca t i on s C o m m i s s i o n 7 4 35 O a k l a n d M i l l s R o a d C o l u m b i a , MD 2 104 D A T E 2 0 26 /4 / 1 4 6 R e q u e s t f o r C o n f id e n t i a li t F CC I D : 2BG7T-TPL3131 P ro d u c t N a m e : _ Bluetooth module y ( L i s t h er e t h e d oc u me n t s f o r w h i c h y ou a re s e e ki n g c o n f i d e n t i a li t y - f o r e x a m p l e ... P u rs u a n t t o S e c t i o n s 0 . 4 5 7 an d 0 . 4 5 9 o f t h e c o m m i ss i o n ' s ru l e s , w e h e r e b y r e q u e s t t h a t t h e f o l l o w i n g d oc u m e n t s b e h e l d c o n f id e n t i a l : ) ● S c h e m a t i c s ● B l oc k d i a g r a m · O p e r a t i on d es c r i p t i on T h e s e ma t e r i a l s co n t a i n t r a d e sec r e t s a n d p r o p r i e t a r y i n f o r ma t i o n a n d a r e n o t c us t o m ar i l y r e l ea s e d t o t h e p u b l i c . T h e p u b li c d i s c l o s u r e o f t h i s i n f o rma t i o n m i g h t b e h a r m f u l t o t h e co m p a n y a n d p r o v id e u n j u s t if i e d b ene f i t s t o o ur c o m p e t i t o r s . ~ S g r a t r e > N a m e : J u n p i n g Z h a n g T i t l e : M a na g e r C o m p a n y : S h a n g h a i T a n p i n T e c h n o l o g y C o . , L t d

Cover Letter(s)

ModelConfirmationLetter Shanghai Tanpin Technology Co.,Ltd(China)ltd certify the product:Bluetooth module AnditemNo.: TPL3131TPL3131EVB Since TPL3131EVB is based on TPL3131 with an additional connection socket added, the rest of the components are the same. 2026/3/13 PM Date: Job Title (representative): Signature: Name:

Cover Letter(s)

Single Modular approval Declaration letter We , Shanghai Tanpin Technology Co.,Ltd. applies single modular approval for Product Name: Bluetooth module Model: TPL3131 FCC ID: 2BG7T-TPL3131 According to 996369 D01 Module Equip Auth Guide v01r04 and 15.212 requirement: 1) The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly; Answer: Ye s, shielded. 2) The module must have buffered modulation/data inputs to ensure that the device willcomply with Part 15 requirements with any type of input signal; Answer: Yes; All inputs to the modules are buffered through logic or microprocessor inputs. 3)The modular transmitter must have its own power supply regulation. Answer: Yes; A low drop out regulator is used for modular power supply regulation. 4) The module must contain a permanently attached antenna, or contain a unique antennaconnector, and be marketed and operated only with specific antenna(s), per Sections15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b); Answer: Yes; Device is equipped with PCB antenna. (5) The module must demonstrate compliance in a stand-alone configuration; Answer: Yes ,distance between modular and all AEs are bigger than 10cm, refer to setup photo. (6) The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labeling requirements); Answer: Yes; The modular has a permanent fixed label, and below statement was listed in the User Manual; The host device must be labeled to display the FCCID of the module “Contains FCC ID:2BG7T-TPL3131” (7) The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee; Answer: Yes; The module comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee, Refer to test report and user manual . (8) The module must comply with RF exposure requirements Answer: Yes; Transmitter meets MPE calculation of 47 CFR 1.1307 . Refer to MPE Reports and Refer to modular installation manual. Please contact me if you have any further questions. Thanks for your attention. Best Regards, <Signature> Name:Junping Zhang Title:/ Company:Shanghai Tanpin Technology Co.,Ltd

External Photos

Page 1 of 3 ThetestreportiseffectiveonlywithbothsignatureandspecializedstampandTheresult(s)showninthisreportreferonlytothesample(s)tested. WithoutwrittenapprovalofBlueAsia,thisreportcan’tbereproducedexceptinfull.Theresultsdescribedinthisreportdonotrepresentthequalityor characteristicsofthesampledbatch,nordotheyrepresentanysimilaroridenticalproductsthatarenotexplicitlystated. ModelNo.: TPL3131EVB ViewofProduct-1 ViewofProduct-2 Page 2 of 3 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.0 ViewofProduct-3 ViewofProduct-4 Page 3 of 3 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.0 ViewofProduct-5 ViewofProduct-6

Internal Photos

Page 1 of 2 ThetestreportiseffectiveonlywithbothsignatureandspecializedstampandTheresult(s)showninthisreportreferonlytothesample(s)tested. WithoutwrittenapprovalofBlueAsia,thisreportcan’tbereproducedexceptinfull.Theresultsdescribedinthisreportdonotrepresentthequalityor characteristicsofthesampledbatch,nordotheyrepresentanysimilaroridenticalproductsthatarenotexplicitlystated. ModelNo.: TPL3131EVB ViewofProduct-7 ViewofProduct-8 Page 2 of 2 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected] Version:v1.0 ViewofProduct-9

RF Exposure Info

Website:www.cblueasia.com Tel:+86-755-23059481 Email:[email protected] ThetestreportiseffectiveonlywithbothsignatureandspecializedstampandTheresult(s)showninthisreportreferonlytothesample(s)tested.Without writtenapprovalofBlueAsia,thisreportcan ’ tbereproducedexceptinfull.Theresultsdescribedinthisreportdonotrepresentthequalityorcharacteristicsofthe sampledbatch,nordotheyrepresentanysimilaroridenticalproductsthatarenotexplicitlystated. FCCRFExposure Applicant: ShanghaiTanpinTechnologyCo.,Ltd Address: BuildingC,No.888HuanhuWest2ndRoad,LingangNewArea, PudongNewArea,Shanghai,China ProductName:Bluetoothmodule BrandMark:TOPYLINK Model:TPL3131 Seriesmodel:TPL3131EVB FCCID:2BG7T-TPL3131 ReportNumber:BLA-EMC-202603-A0802 DateofReceipt:Mar.04,2026 DateofTest:Mar.04,2026toMar.13,2026 TestStandard: 47CFRPart15,Part1.1307 47CFRPart15,Part2.1091 KDB447498D04GeneralRFExposureGuidancev01 TestResult:Pass Compiledby:Reviewby:Approvedby: IssuedDate:Apr.15,2026 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Address:No.41,SouthofBeihuanRoad,ShangwuCommunity,ShiyanSubdistrict, Bao’anDistrict,Shenzhen,Guangdong,China ReportNo.:BLA-EMC-202603-A0802 Page 2 of 6 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected]:v1.0 TableofContents 1Generalinformation......................................................................................................................................................4 1.1Generalinformation.................................................................................................................................................4 1.2GeneraldescriptionofEUT.....................................................................................................................................4 2RFExposureComplianceRequirement.....................................................................................................................5 2.1StandardRequirement............................................................................................................................................5 2.2Limits.......................................................................................................................................................................5 2.3Result.......................................................................................................................................................................6 ReportNo.:BLA-EMC-202603-A0802 Page 3 of 6 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected]:v1.0 ReviseRecord VersionNo.DateDescription 01Apr.15,2026Original ReportNo.:BLA-EMC-202603-A0802 Page 4 of 6 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected]:v1.0 1Generalinformation 1.1Generalinformation ApplicantShanghaiTanpinTechnologyCo.,Ltd Address BuildingC,No.888HuanhuWest2ndRoad,LingangNewArea, PudongNewArea,Shanghai,China ManufacturerShanghaiTanpinTechnologyCo.,Ltd Address BuildingC,No.888HuanhuWest2ndRoad,LingangNewArea, PudongNewArea,Shanghai,China FactoryNanjingXuancaismartManufacturingCo.,Ltd Address Room108,A1,QingyunBuildingNo.266PuyunRoad,Yan Chuangyuan,JiangbeiXinqu,NanjingCity,JiangsuProvince,China 1.2GeneraldescriptionofEUT ProductnameBluetoothmodule Modelno. TPL3131 SeriesmodelTPL3131EVB DifferencesofSeries model SinceTPL3131EVBisbasedonTPL3131withanadditionalconnection socketadded,therestofthecomponentsarethesame. OperationFrequency2402MHz-2480MHz ModulationType GFSK Ratedata 1Mbps ChannelSpacing 2MHz NumberofChannels 40 AntennaType PCBantenna AntennaGain 3.0dBi(Providedbycustomer) PowersupplyDC3.3V HardwareVersionN/A SoftwareVersionN/A Note:Foramoredetaileddescription,pleaserefertoSpecificationorUser’sManualsuppliedby theapplicantand/ormanufacturer. ReportNo.:BLA-EMC-202603-A0802 Page 5 of 6 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected]:v1.0 2RFExposureComplianceRequirement 2.1StandardRequirement Accordingto447498D04InterimGeneralRFExposureGuidancev01 StandaloneSARtestexclusionconsiderations UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone1-gheador bodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions,bymeasurement ornumericalsimulation,isnotrequiredwhenthecorrespondingSARExclusionThreshold condition,listedbelow,issatisfied. 2.2Limits ReportNo.:BLA-EMC-202603-A0802 Page 6 of 6 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd Tel:+86-755-23059481 Email:[email protected]:v1.0 2.3Result EIRP=ptxgt=(EXd)2/30 Where: pt=transmitteroutputpowerinwatts, gt=numericgainofthetransmittingantenna(unitless), E=electricfieldstrengthinV/m, d=measurementdistanceinmeters(m) Spot=(EXd)2/30xgt Separationdistance=20cm ForBLE(Worstcase): MaxOutputpower=-4.775dBm@2480MHz EIRP=-4.775dBm+3dBi=-1.775dBm, So,ERP=-1.775-2.15=-3.925dBm=0.405mW<3060mW ComplywithRFexposureexemptionlimit. ----ENDOFREPORT---- Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,theresult(s)showninthisreportrefer onlytothesample(s)tested.WithoutwrittenapprovalofBlueAsia,thisreportcan’tbereproducedexceptinfull.

Test Report

Website:www.cblueasia.com Tel:+86-755-23059481 Email:[email protected] ThetestreportiseffectiveonlywithbothsignatureandspecializedstampandTheresult(s)showninthisreportreferonlytothesample(s)tested.Without writtenapprovalofBlueAsia,thisreportcan ’ tbereproducedexceptinfull.Theresultsdescribedinthisreportdonotrepresentthequalityorcharacteristicsofthe sampledbatch,nordotheyrepresentanysimilaroridenticalproductsthatarenotexplicitlystated. TestReport Applicant:ShanghaiTanpinTechnologyCo.,Ltd Address: BuildingC,No.888HuanhuWest2ndRoad,LingangNewArea, PudongNewArea,Shanghai,China ProductName:Bluetoothmodule BrandMark:TOPYLINK ModelNo.: TPL3131 Seriesmodel:TPL3131EVB FCCID:2BG7T-TPL3131 ReportNumber:BLA-EMC-202603-A0801 DateofReceipt:Mar.04,2026 DateofTest:Mar.04,2026toMar.13,2026 TestStandard:47CFRPart15,SubpartC15.247 TestResult:Pass Compiledby:Reviewby:Approvedby: IssuedDate:Apr.15,2026 BlueAsiaTechnicalServices(Shenzhen)Co.,Ltd. Address:No.41,SouthofBeihuanRoad,ShangwuCommunity,ShiyanSubdistrict, Bao’anDistrict,Shenzhen,Guangdong,China ReportNo.:BLA-EMC-202603-A0801 Page2of68 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected]:v1.3 TableofContents 1Generalinformation......................................................................................................................................................5 1.1Generalinformation.................................................................................................................................................5 1.2GeneraldescriptionofEUT.....................................................................................................................................5 2Testsummary................................................................................................................................................................6 3TestConfiguration........................................................................................................................................................7 3.1Testmode................................................................................................................................................................7 3.2OperationFrequencyeachofchannel....................................................................................................................8 3.3Testchannel.............................................................................................................................................................8 3.4Auxiliaryequipment.................................................................................................................................................8 3.5Testenvironment.....................................................................................................................................................8 4Laboratoryinformation................................................................................................................................................9 4.1Laboratoryandaccreditations.................................................................................................................................9 4.2Measurementuncertainty........................................................................................................................................9 5Testequipment............................................................................................................................................................11 6Testresult....................................................................................................................................................................14 6.1Antennarequirement.............................................................................................................................................14 6.2ConductedemissionsatACpowerline(150kHz-30MHz)..................................................................................15 6.3ConductedpeakoutputPower..............................................................................................................................19 6.4Minimum6dBbandwidth.......................................................................................................................................20 6.5Powerspectrumdensity........................................................................................................................................21 6.6ConductedBandEdgesMeasurement.................................................................................................................22 6.7Conductedspuriousemissions.............................................................................................................................24 6.8Radiatedspuriousemissions................................................................................................................................25 6.9Radiatedemissionswhichfallintherestrictedbands..........................................................................................36 7AppendixA..................................................................................................................................................................43 7.1MaximumConductedOutputPower.....................................................................................................................43 7.2-6dBBandwidth.....................................................................................................................................................46 7.3OccupiedChannelBandwidth...............................................................................................................................49 7.4MaximumPowerSpectralDensityLevel...............................................................................................................52 ReportNo.:BLA-EMC-202603-A0801 Page3of68 BlueAsiaofTechnic…

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Test Report

ReportNo.:BLA-EMC-202603-A0801 Page35of68 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected]:v1.3 [Testmode:TXHighchannel];[Polarity:Vertical] TestResult:Pass ReportNo.:BLA-EMC-202603-A0801 Page36of68 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:[email protected]:v1.3 6.9Radiatedemissionswhichfallintherestrictedbands TestStandard47CFRPart15,SubpartC15.247 TestMethodANSIC63.10-2020+Cor.1-2023Clause6.12 TestMode(Pre-Scan)TX TestMode(FinalTest)TX 6.9.1Limit Frequency(MHz) Field strength(microvolts/meter) Measurement distance(meters) 0.009-0.4902400/F(kHz)300 0.490-1.70524000/F(kHz)30 1.705-30.03030 30-881003 88-2161503 216-9602003 Above9605003 Remark:TheemissionlimitsshownintheabovetablearebasedonmeasurementsemployingaCISPR quasi-peakdetectorexceptforthefrequencybands9-90kHz,110-490kHzandabove1000MHz.Radiated emissionlimitsinthesethreebandsarebasedonmeasurementsemployinganaveragedetector,thepeakfield strengthofanyemissionshallnotexceedthemaximumpermittedaveragelimitsspecifiedabovebymorethan20 dBunderanyconditionofmodulation. ReportNo.:BLA-EMC-202603-A0801 Page37of68 BlueAsiaofTechnicalServices(Shenzhen)Co.,Ltd. Tel:+86-755-23059481 Email:marketing@cbl…

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Contact Information

Applicant

Junping Zhang
[email protected]Fax: N/A

Technical Contact

Global Product Services and Consultation LLCMichael Chan
[email protected]

328 W Palm Ave., Monrovia, CA 91016 · United States

Test Firm

BLUEASIA TECHNICAL SERVICES (SHENZHEN) CO., LTD.Blue Zheng
[email protected]

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz330.00 µW
Confidentiality
Long Term
Grant Notes
Output power listed is Conducted. Singular Modular Approval. Compliance of this device in all final host configurations is the responsibility of the Grantee. OEM integrators and end-users must be provided with specific operating instructions for satisfying RF exposure compliance. OEM integrators are instructed to ensure that the end user has no manual instructions to remove or install the device.

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Equipment Class

DTS - Digital Transmission System