2AATL-6252BA-SRWIFI BT module

FN-LINKTECHNOLOGYLIMITED1 PRODUCTSPECIFICATION 6252BA-SR Wi-FiDual-band2x211ax+Bluetooth5.2 ComboModule Version:v1.3 Customer: CustomerP/N: Signature: Date: Office:14thfloor,BlockB,phoenixzhigu,XixiangStreet,BaoanDistrict,Shenzhen Factory:NO.8,LitongRD.,LiuyangEconomic&TechnicalDevelopmentZone,Changsha,CHINA TEL:+86-755-2955-8186Website:www.fn-link.com FN-LINKTECHNOLOGYLIMITED2 6252BA-SRModuleDatasheet Targetpower: 2.4G:19/18/17/13 5G:18/17/15/13 Ordering Information PartNO.Description FG6252BASR-00 RTL8852BS,a/b/g/n/ac/axWi-Fi,2T2R,BT5.0,13*15mm, SDIO,UART,Dualantenna（PINAP6275S) 6252BA-SR FN-LINKTECHNOLOGYLIMITED3 CONTENTS 1.GeneralDescription..................................................................................................5 1.1Introduction............................................................................................................5 1.2Description.............................................................................................................5 2.Features.....................................................................................................................6 3.BlockDiagram...........................................................................................................7 4.GeneralSpecification................................................................................................7 4.1WI-FI2.4GHzSpecification....................................................................................7 4.2WI-FI5GHzSpecification.......................................................................................8 4.3BluetoothSpecification........................................................................................10 5.IDsettinginformation..............................................................................................11 6.PinDefinition...........................................................................................................11 6.1PinOutline............................................................................................................11 6.2PinDefinitiondetails............................................................................................12 7.ElectricalSpecifications.........................................................................................14 7.1PowerSupplyDCCharacteristics........................................................................14 7.2InterfaceCircuittimeseries.................................................................................15 7.2.1Poweronsequence...................................................................................................15 7.2.2SDIOPinDescription..............................................................................................15 7.2.3SDIOTimingDiagram.............................................................................................16 8.Sizereference..........................................................................................................16 8.1ModulePicture.....................................................................................................16 8.2MarkingDescription.............................................................................................17 8.3PhysicalDimensions............................................................................................17 8.4LayoutRecommendation.....................................................................................19 9.TheKeyMaterialList...............................................................................................19 10.ReferenceDesign..................................................................................................20 11.RecommendedReflowProfile..............................................................................20 12.Package..................................................................................................................21 12.1Reel...................................................................................................................21 12.2CarrierTapeDetail.............................................................................................22 12.3PackagingDetail................................................................................................22 12.4Tray....................................................................................................................23 13.Moisturesensitivity...............................................................................................23 6252BA-SR FN-LINKTECHNOLOGYLIMITED4 RevisionHistory VersionDateContentsofRevisionChangePrepardeCheckedApproved V1.02022/04/07InitialReleaseFCLXYQJP V1.12022/09/28UpdateSDIOtimingdescriptionLXYLXYQJP V1.22022/12/3Updatepin38descriptionLXYLXYQJP V1.32023/06/12UpdateSDIOinfo.FCLXYQJP 6252BA-SR FN-LINKTECHNOLOGYLIMITED5 1.GeneralDescription 1.1Introduction 6252BA-SRisalow-costandlow-powerconsumptionmodulewhichhasalloftheWi-Fifunctionalities.Itisa highly-integratedIEEE802.11a/b/g/n/ac/axMAC/Baseband/RFWLANsinglechip.ForWirelessLAN operation.TheintegratedmoduleprovidesSDIO3.0interfaceforWi-Fi.Themoduleprovidessimplelegacy and20MHz/40MHz/80MHzco-existencemechanismtoensurebackwardandnetworkcompatibility. ThewirelessmodulecomplieswithIEEE802.11a/b/g/n/ac/ax2x2MIMOstandardandthespeedcanachieve upto1201Mbpswithdualstreamin802.11ax.TheintegratedmoduleprovidesSDIOinterfaceforWi-Fi, UART/PCMinterfaceforBluetooth. ThiscombomoduleisatotalsolutionforacombinationofWi-FiandBluetoothV5.2technologies.The moduleisspecificallydevelopedforallportabledevices. 1.2Description ModelName6252BA-SR ProductDescriptionSupportWi-Fi/Bluetoothfunctionalities Dimension LxWxH:15x13x2.35mm Wi-FiInterface SupportSDIOV1.0/V2.0/V3.0 BTInterfaceUART/PCM OSsupportedAndroid/Linux/iOS/WIN10 Operatingtemperature0°Cto70°C Storagetemperature-40°Cto85°C 6252BA-SR FN-LINKTECHNOLOGYLIMITED6 2.Features GeneralFeatures Highlyintegratedwirelesslocalareanetwork…

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FN-LINK TECHNOLOGY LIMITED 2023-11-01 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2AATL-6252BA-SR ) [FN-LINK TECHNOLOGY LIMITED ] (“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. Sincerely, Jim Hu Manager FN-LINK TECHNOLOGY LIMITED No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan，China FN-LINK TECHNOLOGY LIMITED 2023-11-01 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for(FCC ID: 2AATL-6252BA-SR ) [FN-LINK TECHNOLOGY LIMITED] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Jim Hu Manager FN-LINK TECHNOLOGY LIMITED No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan，China

Attestation Statements (2023-11-1) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2AATL-6252BA- SR，Grantee FRN: 0022902761) (FN-LINK TECHNOLOGY LIMITED), the undersigned, hereby authorize (Lucky Cowboy Global Services, LLC) to act as our designated U.S. agent for service of process,( FN-LINK TECHNOLOGY LIMITED) 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. (Lucky Cowboy Global Services, LLC) accepts the responsibility to act as designated U.S. agent for service of process. Applicant Information： Company name: FN-LINK TECHNOLOGY LIMITED Contact Name: Jim Hu Address: No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan, China Telephone No: +8613538178944 Email: [email protected] Signature [Jim Hu] U.S. Agent Information: Company Name: Lucky Cowboy Global Services, LLC Address: 2213 S. Braeswood Blvd. #12E Houston, TX 77030 USA FRN: 0033510934 Contact Name: Louie Liu Telephone No: +1 (713) 992-3369 Email: [email protected] Signature [Louie Liu]

FN-LINK TECHNOLOGY LIMITED Request for Modular/Limited Modular Approval Date: Nov. 1, 2023 Subject: Manufacturer’s Declaration for ☒ - Modular Approval ☐ - Split Modular Approval ☐ - Limited Modular Approval ☐ - Limited Split Modular Approval Confidentiality Request for: ______2AATL-6252BA-SR ______ 8 Basic Requirements – FCC Part 15.212(a)(1) For Items Marked “NO(*)”, the Limited Module Description Must be Filled Out on the Following Pages Modular Approval Requirement Requirement Met 1. The modular transmitter must have its own RF shielding. This is intended to ensure that the module does not have to rely upon the shielding provided by the device into which it is installed in order for all modular transmitter emissions to comply with FCC limits. It is also intended to prevent coupling between the RF circuitry of the module and any wires or circuits in the device into which the module is installed. Such coupling may result in non-compliant operation. The physical crystal and tuning capacitors may be located external to the shielded radio elements. 15.212(a)(1)(i) ☒ - YES ☐ - NO(*) 2. The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with FCC requirements under conditions of excessive data rates or over-modulation. 15.212(a)(1)(ii) ☒ - YES ☐ - NO(*) 3. The modular transmitter must have its own power supply regulation on the module. This is intended to ensure that the module will comply with FCC requirements regardless of the design of the power supplying circuitry in the device into which the module is installed. 15.212(a)(1)(iii) ☒ - YES ☐ - NO(*) 4. The modular transmitter must comply with the antenna and transmission system requirements of §§ 15.203, 15.204(b), 15.204(c), 15.212(a), and 2.929(b). The antenna must either be permanently attached or employ a ‘‘unique’’ antenna coupler (at all connections between the module and the antenna, including the cable). The ‘‘professional installation’’ provision of § 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph 15.212(b). 15.212(a)(1)(iv) ☒ - YES ☐ - NO(*) 5. The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing. This is intended to demonstrate that the module is capable of complying with Part 15 emission limits regardless of the device into which it is eventually installed. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in Section 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see Section 15.27(a)). The length of these lines shall be length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified or commercially available (see Section 15.31(i)). 15.212(a)(1)(v) ☒ - YES ☐ - NO(*) FN-LINK TECHNOLOGY LIMITED Modular Approval Requirement Requirement Met 6. The modular transmitter must be labeled with its own FCC ID number, or use an electron display (see KDB Publication 784748). If using a permanently affixed label with its own FCC ID number, if the FCC ID is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains Transmitter Module FCC ID: XYZMODEL1” or “Contains FCC ID: XYZMODEL1.” Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization. If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).” Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization. 15.212(a)(1)(vi) ☒ - YES ☐ - NO(*) 7. The modular transmitter must comply with all specific rule or operating requirements applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. A copy of these instructions must be included in the application for equipment authorization. For example, there are very strict operational and timing requirements that must be met before a transmitter is authorized for operation under Section 15.231. For instance, data transmission is prohibited, except for operation under Section 15.231(e), in which case there are separate field strength level and timing requirements. Compliance with these requirements must be assured. 15.212(a)(1)(vii) ☒ - YES ☐ - NO(*) 8. The modular transmitter must comply with any applicable RF exposure requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental…

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FN-LINK TECHNOLOGY LIMITED 2023-11-01 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Guangdong Global Testing Technology Co., Ltd. to 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). This agreement expires one year from the current date. Sincerely, Jim Hu Manager FN-LINK TECHNOLOGY LIMITED No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan，China

FN-LINK TECHNOLOGY LIMITED 2023-11-01 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (EUT Name: WIFI BT module /Model: 6252BA-SR /FCC ID: 2AATL-6252BA-SR) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Block Diagram ,Operational Description,Schematics，FCC SW SECURITY DESCRIPTION ) required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Jim Hu Manager FN-LINK TECHNOLOGY LIMITED No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan，China

External

FN-LINK Model：6252BA-SR FCC ID: 2AATL-6252BA-SR IC: 12425A-6252BASR

Internal

RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in ß1.1307(b) FCC ID: 2AATL-6252BA-SR EUT Specification EUT WIFI BT module Model Number 6252BA-SR Input Rating DC 3.3V Frequency band (Operating) BT: 2.402GHz ~ 2.480GHz WLAN: 2.412GHz ~ 2.462GHz WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz WLAN: 5.745GHz ~ 5825GHz Device category Portable (<20cm separation) Mobile (>20cm separation) Exposure classification Occupational/Controlled exposure (S = 5mW/cm2) General Population/Uncontrolled exposure (S=1mW/cm2) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power（peak power ） BLE: 6.54 dBm BR+EDR: 8.36 dBm IEEE 802.11b: 19.94 dBm IEEE 802.11g: 17.78 dBm IEEE 802.11n-HT20: 18.09 dBm IEEE 802.11n-HT40: 17.90 dBm IEEE 802.11ax-HE20: 17.07 dBm IEEE 802.11ax-HE40: 16.92 dBm 5180 MHz to 5240 MHz: 10.30 dBm 5260 MHz to 5320 MHz: 10.11 dBm 5500 MHz to 5700 MHz: 10.18 dBm 5745 MHz to 5825 MHz: 11.08 dBm Antenna gain (Max) BT: 1.78 dBi 2.4GHz WIFI: ANT1: 1.53 dBi, ANT2: 1.53 dBi 5.8G WIFI: ANT1: 2.40 dBi, ANT2: 2.40 dBi Evaluation applied MPE Evaluation SAR Evaluation Limits for Maximum Permissible Exposure(MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 Friis transmission formula: Pd=(Pout*G)\(4*pi*R2) Where Pd= Power density in mW/cm 2 , Pout=output power to antenna in Mw G= gain of antenna in linear scale, Pi=3.1416 R= distance between observation point and center of the radiator in cm=20cm Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Measurement Result Operation Mode Channel Frequency (MHz) Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power (dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm2) Power density Limits (mW/ cm2) BLE (2Mbps) 2480 6.54 7±1 8 6.310 1.78 1.507 0.0019 1 BR+EDR (3DH5) 2402 8.36 8±1 9 7.943 1.78 1.507 0.0024 1 2.4GHz WIFI (802.11b) 2462 19.94 20±1 21 125.893 1.53 1.422 0.0356 1 5.8GHz WIFI (802.11n-HT20) 5785 11.08 11±1 12 15.849 2.4 1.738 0.0055 1 The Product unsupported at the same time to Transmitting. According to KDB 447498, and no simultaneous SAR measurement is required. Signature: Shawn Wen Date: 2023-11-10

ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/201/8 SPECIFICATIONFORAPPROVAL DongguanAnteCommunicationsCo.,Ltd. TEI：0769-85833836 FAX：0769-82582573 Http：//www.rtant.com Address:BuildingE,IndustrialInnovationPark,Shallongroad,Shatangindustrialzone,HoujieTown,DongguanCity CUSTOMER OuzhiTongTechnologyCo.,Ltd. CSP/N PARTNAME Externalscrewableantenna,needle2.4g&5.8gblack,length136MM ROHS2.0 FREQUENCY 2.4-2.5GHz&5.15~5.85GHz RTANTNO. K212-10079-A DATE 2023.09.20 Samplesignature APPROVEDBYCHECKEDBYDRAWEDBY DRAGONLIUJOHN Remark： Customeracknowledgessignature APPROVEDBYCHECKEDBYTESTEDBY Sign： ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/202/8 1.Contents No.contentPages 0 Thecoveroftheconfession 1 1 Listofitems 2 2Changeyourresume2 3 Physicaldrawingofproduct 3 4 Specificationsheet 3 5 Electricaltestreport 4-7 6Sampleinspectionreport8 Annex 2Dillustration/packagingAppendices 2.Revisionhistory RevisionDateChangethecontent A023.09.20NewEdition ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/203 / 8 3. Productpicture 4. Specification A.ElectricalProperties FrequencyRang 2.4-2.5GHz&5.15~5.85GHz Impedance50ΩNominal VSWR2.0Max. Gain(peak) Out of 2.40dBi roundness 2.4/5GHz: 1.78/2.40dBi（Max.） RadiationOmni-Directional PolarizationLinearVertical B.PhysicalProperties ConnectorTypeSMA CableRG-178 AntennaRadiatorPCB C.Environmental StorageTemp-10°C~+60°C OperatingTemp-40°C~+65°C Storagehumidity95％ Workinghumidity5%～95% ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/204/8 5.ElectricalTestReport 5.1Testequipment ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/205/8 5.2Antennapastingposition 5.3NetworkAnalyzer ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/206/8 5.4Darkroompassivetestdata 5.52D、3DRaditationPattern ProductNumber:K212-10079-A ProductName:Externalscrewableantenna Version：A0 2023/09/207/8 Product Number: K212-10079-A Product Name: External screwable antenna Version：A0 2023/09/208 / 8 9.Sample inspection reportDate：2023.09.20 Total quantity5PCS Qualified quantity 5PCS inspection item Inspection standards and instructions inspection result judge No.1No.2No.3No.4No.5 Ap pe ara nc e Plastic cement No dirt, no damage, no scratch passpasspasspasspass■OK □NG SMA No color difference, no dirt, no damage, no scratch passpasspasspasspass■OK □NG IPEX Contrast no dirt, no damage, no scratch □OK □NG Tin solderPlump and smooth□OK □NG Other □OK □NG Ma in di me nsi ons 1 136 ± 3 mm 136136136136136■OK □NG Electr ical and functi onal testin g Frequency Rang 2.4~2.5GHz 5.15~5.85GHz VSWR<2.0passpasspasspasspass ■OK □NG Mech anical prope rties Cable and IPEX pull ＞1.5kg□OK □NG Not es Final Judgment■ Qualified□ Disqualified□ Conditions G F E D C B A 1 23 4 G F E C D B A 56 A 0 A P P R O V E R D A T E S I G N D E S C R I P T I O N 2 3 . 0 9 . 2 0 J W X ± 0 . 5 ± 1 . 0 . X X . X ± 3 . 0 X . . X X X ± 0 . 1 ± 5 X X . K 2 1 2 - 1 0 0 7 9 - A R T A N T C O M M U N I C A T I O N S C O . , L T D E - m a i l : d r a g o n @ r t a n t . c o m F a x : 0 7 6 9 - 8 2 5 8 2 5 7 3 H t t p : / / w w w . r t a n t . c o m T e l : 0 7 6 9 - 8 5 8 3 3 8 3 6 O Z T - - - A n t e n n a 2 . 4 G & 5 . 8 G 5 3 4 2 1 6 T i n n e d D e t a i l B ( S M A ) D e t a i l A ( P C B ) T i n n e d 7 A n e w e d i t i o n w a s r e l e a s e d 65 A B D C E F G 4 32 1 A B C D E F G P E B A G S H R I N K L I N E T e l : 0 7 6 9 - 8 5 8 3 3 8 3 6 H t t p : / / w w w . r t a n t . c o m F a x : 0 7 6 9 - 8 2 5 8 2 5 7 3 E - m a i l : d r a g o n @ r t a n t . c o m R T A N T C O M M U N I C A T I O N S C O . , L T D X X . ± 5 ± 0 . 1 . X X X X . ± 3 . 0 . X . X X ± 1 . 0 ± 0 . 5 A 0 A P P R O V E R D A T E S I G N D E S C R I P T I O N 2 3 . 0 9 . 2 0 A n e w e d i t i o n w a s r e l e a s e d J W X K 2 1 2 - 1 0 0 7 9 - A O Z T - - - A n t e n n a 2 . 4 G & 5 . 8 G S i d e m a r k ：

Appendix C Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Duty Factor (dB) Total Power (dBm) Limit (dBm) E.I.R.P (dBm E.I.R.P Limit (dBm) Verdict NVNT 1-DH5 2402 Ant1 5.33 0 5.33 21 8.31 <=36.02 Pass NVNT 1-DH5 2441 Ant1 4.7 0 4.7 21 7.68 <=36.02 Pass NVNT 1-DH5 2480 Ant1 5.34 0 5.34 21 8.32 <=36.02 Pass NVNT 2-DH5 2402 Ant1 7.19 0 7.19 21 10.17 <=36.02 Pass NVNT 2-DH5 2441 Ant1 6.75 0 6.75 21 9.73 <=36.02 Pass NVNT 2-DH5 2480 Ant1 7.31 0 7.31 21 10.29 <=36.02 Pass NVNT 3-DH5 2402 Ant1 8.36 0 8.36 21 11.34 <=36.02 Pass NVNT 3-DH5 2441 Ant1 7.34 0 7.34 21 10.32 <=36.02 Pass NVNT 3-DH5 2480 Ant1 7.92 0 7.92 21 10.90 <=36.02 Pass Note1: Antenna Gain: 2.98dBi; Note2: E.I.R.P = Measured Power + Antenna Gain Test Graphs Power NVNT 1-DH5 2402MHz Ant1 Power NVNT 1-DH5 2441MHz Ant1 Power NVNT 1-DH5 2480MHz Ant1 Power NVNT 2-DH5 2402MHz Ant1 Power NVNT 2-DH5 2441MHz Ant1 Power NVNT 2-DH5 2480MHz Ant1 Power NVNT 3-DH5 2402MHz Ant1 Power NVNT 3-DH5 2441MHz Ant1 Power NVNT 3-DH5 2480MHz Ant1 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Verdict NVNT 1-DH5 2402 Ant1 0.954 Pass NVNT 1-DH5 2441 Ant1 0.958 Pass NVNT 1-DH5 2480 Ant1 0.952 Pass NVNT 2-DH5 2402 Ant1 1.361 Pass NVNT 2-DH5 2441 Ant1 1.365 Pass NVNT 2-DH5 2480 Ant1 1.365 Pass NVNT 3-DH5 2402 Ant1 1.346 Pass NVNT 3-DH5 2441 Ant1 1.348 Pass NVNT 3-DH5 2480 Ant1 1.347 Pass Test Graphs -20dB Bandwidth NVNT 1-DH5 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH5 2441MHz Ant1 -20dB Bandwidth NVNT 1-DH5 2480MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2402MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2441MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2480MHz Ant1 -20dB Bandwidth NVNT 3-DH5 2402MHz Ant1 -20dB Bandwidth NVNT 3-DH5 2441MHz Ant1 -20dB Bandwidth NVNT 3-DH5 2480MHz Ant1 Occupied Channel Bandwidth Condition Mode Frequency (MHz) Antenna 99% OBW (MHz) NVNT 1-DH5 2402 Ant1 0.886 NVNT 1-DH5 2441 Ant1 0.893 NVNT 1-DH5 2480 Ant1 0.898 NVNT 2-DH5 2402 Ant1 1.194 NVNT 2-DH5 2441 Ant1 1.194 NVNT 2-DH5 2480 Ant1 1.192 NVNT 3-DH5 2402 Ant1 1.202 NVNT 3-DH5 2441 Ant1 1.187 NVNT 3-DH5 2480 Ant1 1.202 Test Graphs OBW NVNT 1-DH5 2402MHz Ant1 OBW NVNT 1-DH5 2441MHz Ant1 OBW NVNT 1-DH5 2480MHz Ant1 OBW NVNT 2-DH5 2402MHz Ant1 OBW NVNT 2-DH5 2441MHz Ant1 OBW NVNT 2-DH5 2480MHz Ant1 OBW NVNT 3-DH5 2402MHz Ant1 OBW NVNT 3-DH5 2441MHz Ant1 OBW NVNT 3-DH5 2480MHz Ant1 Carrier Frequencies Separation Condition Mode Antenna Hopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH5 Ant1 2401.976 2403.05 1.074 0.636 Pass NVNT 1-DH5 Ant1 2441.02 2442.016 0.996 0.639 Pass NVNT 1-DH5 Ant1 2478.954 2480.032 1.078 0.635 Pass NVNT 2-DH5 Ant1 2401.846 2403.01 1.164 0.907 Pass NVNT 2-DH5 Ant1 2440.848 2441.992 1.144 0.91 Pass NVNT 2-DH5 Ant1 2478.958 2479.978 1.02 0.91 Pass NVNT 3-DH5 Ant1 2402 2402.942 0.942 0.897 Pass NVNT 3-DH5 Ant1 2440.984 2441.974 0.99 0.899 Pass NVNT 3-DH5 Ant1 2478.684 2479.682 0.998 0.898 Pass Test Graphs CFS NVNT 1-DH5 2402MHz Ant1 CFS NVNT 1-DH5 2441MHz Ant1 CFS NVNT 1-DH5 2480MHz Ant1 CFS NVNT 2-DH5 2402MHz Ant1 CFS NVNT 2-DH5 2441MHz Ant1 CFS NVNT 2-DH5 2480MHz Ant1 CFS NVNT 3-DH5 2402MHz Ant1 CFS NVNT 3-DH5 2441MHz Ant1 CFS NVNT 3-DH5 2480MHz Ant1 Number of Hopping Channel Condition Mode Antenna Hopping Number Limit Verdict NVNT 1-DH5 Ant1 79 15 Pass NVNT 2-DH5 Ant1 79 15 Pass NVNT 3-DH5 Ant1 79 15 Pass Test Graphs Hopping No. NVNT 1-DH5 2402MHz Ant1 Hopping No. NVNT 2-DH5 2402MHz Ant1 Hopping No. NVNT 3-DH5 2402MHz Ant1 Dwell Time Condition Mode Frequency (MHz) Antenna Pulse Time (ms) Total Dwell Time (ms) Burst Count Period Time (ms) Limit (ms) Verdict NVNT 1-DH5 2402 Ant1 2.887 300.248 104 31600 400 Pass NVNT 1-DH5 2441 Ant1 2.887 297.361 103 31600 400 Pass NVNT 2-DH5 2402 Ant1 2.891 306.446 106 31600 400 Pass NVNT 2-DH5 2441 Ant1 2.891 309.337 107 31600 400 Pass NVNT 2-DH5 2480 Ant1 2.891 286.209 99 31600 400 Pass NVNT 3-DH5 2402 Ant1 2.893 341.374 118 31600 400 Pass NVNT 3-DH5 2441 Ant1 2.893 306.658 106 31600 400 Pass NVNT 3-DH5 2480 Ant1 2.894 300.976 104 31600 400 Pass Test Graphs Dwell NVNT 1-DH5 2402MHz Ant1 One Burst Dwell NVNT 1-DH5 2402MHz Ant1 Accumulated Dwell NVNT 1-DH5 2441MHz Ant1 One Burst Dwell NVNT 1-DH5 2441MHz Ant1 Accumulated Dwell NVNT 2-DH5 2402MHz Ant1 One Burst Dwell NVNT 2-DH5 2402MHz Ant1 Accumulated Dwell NVNT 2-DH5 2441MHz Ant1 One Burst Dwell NVNT 2-DH5 2441MHz Ant1 Accumulated Dwell NVNT 2-DH5 2480MHz Ant1 One Burst Dwell NVNT 2-DH5 2480MHz Ant1 Accumulated Dwell NVNT 3-DH5 2402MHz Ant1 One Burst Dwell NVNT 3-DH5 2402MHz Ant1 Accumulated Dwell NVNT 3-DH5 2441MHz Ant1 One Burst Dwell NVNT 3-DH5 2441MHz Ant1 Accumulated Dwell NVNT 3-DH5 2480MHz Ant1 One Burst Dwell NVNT 3-DH5 2480MHz Ant1 Accumulated Band Edge Condition Mode Frequency (MHz) Antenna Hopping Mode Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH5 2402 Ant1 No-Hopping -59.39 -20 Pass NVNT 1-DH5 2480 Ant1 No-Hopping -61.89 -20 Pass NVNT 2-DH5 2402 Ant1 No-Hopping -54.78 -20 Pass NVNT 2-DH5 2480 Ant1 No-Hopping -59.81 -20 Pass NVNT 3-DH5 2402 Ant1 No-Hopping -56.11 -20 Pass NVNT 3-DH5 2480 Ant1 No-Hopping -59.23 -20 Pass Test Graphs Band Edge NVNT 1-DH5 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 1-DH5 2402MHz Ant1 No-Hopping Emission Band Edge NVNT 1-DH5 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 1-DH5 2480MHz Ant1 No-Hopping Emission Band Edge NVNT 2-DH5 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 2-DH5 2402MHz Ant1 No-Hopping Emission Band Edge NVNT 2-DH5 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 2-DH5 2480MHz Ant1 No-Hopping Emission Band Edge NVNT 3-DH5 2402MHz Ant1 No-Hopping Ref Band Edge NVNT 3-DH5 2402MHz Ant1 No-Hopping Emission Band Edge NVNT 3-DH5 2480MHz Ant1 No-Hopping Ref Band Edge NVNT 3-DH5 2480MHz Ant1 No-Hopping Emission Band Edge(Hopping) Condition Mode Frequency (MHz) Antenna Hopping Mode Max Value (dBc) Limit (dBc) Verdict NVNT 1-DH5 2402 Ant1 Hopping -60.42 -20 Pass NVNT 1-DH5 2480 Ant1 Hopping -61.5 -20 Pass NVNT 2-DH5 2402 Ant1 Hopping -60.51 -20 Pass NVNT 2-DH5 2480 Ant1 …

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TRF No.: 04-E001-1A TRF Originator: GTG TRF Date: 2023-08-25 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C ISED RSS-247 ISSUE 2 (DSS) TEST REPORT For WIFI BT module MODEL NUMBER: 6252BA-SR REPORT NUMBER: E04A23090802F00103 ISSUE DATE: Nov. 10, 2023 FCC ID: 2AATL-6252BA-SR IC: 12425A-6252BASR Prepared for FN-LINK TECHNOLOGY LIMITED No.8, Litong Road, Liuyang Economic & Technical Development Zone, Changsha, Hunan, China Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A23090802F00103 Page 2 of 49 TRF No.: 04-E001-1A…

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