2A7DX-AIRBUDS60Wireless Earphone

AirBuds 60 USER GUIDE English 1 PRODUCT INTRODUCTION DEVICE CONNECTION LED digital display Touch control/ Earbuds LED indicator Microphone USB-C charging port Method 1: 1. When using the product for the rst time, open the charging box cover. The headset indicator light ashes white, and the headset enters "pairing status". 2. Turn the Bluetooth on, and select "AirBuds 60". There is a connection prompt tone after successful connection. LR AirBuds 60 2 CONTROL i) Equipment operation Method 2: 1. When the headset is connected to the device, click the "Touch" button four times. The white light ashes and the headset will enter the pairing state (cannot operate during calls or playing music). 2. Turn on Bluetooth and select "AirBuds 60". There will be a connection prompt after the connection is successful. Note: The above is the connection method when the product is pairing a new device for the f irst time. After the initial use of the product, the earbuds will automatically switch on and connect to the device when you take it out from the charging case. 1. Power on: Open the charging case, and the headphones will automatically power on. 2. Shut down: Put the headphones into the charging case and close the charging case to shut down . 3. Restore factory settings: (In pairing mode)Double touch + long press 5S; when the white light ashes for 3 times, the headphones will enter the factory reset mode, put the headphones into the charging case, the headphones status will be restored to the factory settings .You can open the cover to re-pair. iii) Call Mode ii) Playback Mode SWITCH TO DIFFERENT CALLS INCOMING CALLONGOING CALL L / RL / R L / R 4) Answer call 2. Call 1 is hold-on L / R 6) Reject call 2. Hold call 1 L / R 5) Switch between call 1 and call 2 L / R x 2x 2 2 s 2 s 21 2 s 21 x 2 21 L / R 2 s 4) Siri4)Google Voice Assistant L / R x 2 R L x 1/x 3x 1/x 3 1)Play / Pause2)Volume Down/ Previous 3)Volume Up/ Next 1)Answer a call2) Reject an incoming call 3) End a call 3 4 Light indication Bluetooth pairing status White light ashes Power on /Power o The white light ashes twice in ve seconds Headphone low power status White Light On for 2S Display charging case battery level (Open, Close) The LED digital display shows numbers Display headphone battery level.(Open, Close) The display charging column will light up Charging box low battery ( 20%) Digital display ashes Turns o after 10 seconds (displays headphone battery level) LR TECHNICAL SPECIFICATIONS Earbuds driver • 10 mm neodymium magnet sound Units x 2 Frequency Response • 20–20,000 Hz Microphone • Omnidirectional MEMS x1 (per earbud) Bluetooth Version • Bluetooth 5.3 Bluetooth pro f i le • A2DP • AVRCP • HFP Audio Codec • SBC • AAC Wireless operating frequency • 2402-2480 MHz Wireless transmission range • Up to 10 meters (measured in open area). Walls and wall structures may aect the transmission range of the device. Playback time • Up to 7 hours on a single full charge • Total playback time: 30 hours^ Battery • Earbuds: Rechargeable lithium-ion Polymer Battery 3.7 V 40 mAh 0.148 Wh • Charging case: Rechargeable lithium-ion Polymer 3.7 V 500 mAh 1.85 Wh Charging time • ≈ 2 hours IP Rating • IPX7 waterproof Operating temperature • 0-45°C Maximum output power • 5 dBm Input rated power • 5V 1A ^Based on moderate volume. Actual battery life will vary, depending on specif ic use, settings, and environmental factors NOTE: Compliance markings are in the charging case. CAUTION: Do not use the earbud at a high volume for extended periods of time as this may cause hearing loss. 5 Answers for Common Questions (1) The bluetooth headset cannot be switched on. Reason: The battery in the charging compartment is low or the power of the bluetooth headset is low. Solution: Put the headset into the charging box, close the cover, and charge the charging box for more than 1 hour before use. (2) The phone cannot search for bluetooth headset. Reason: 1. The Bluetooth headset is not in the pairing state; Solution: When the headset is connected to the device, click the Touch button four times. The indicator light will ash white and the headset will enter pairing status. Reason: 2. There are mobile phone bluetooth program errors; Solution: After the bluetooth of the mobile phone is restarted, clear all pairing data stored in the the mobile phone; Search for bluetooth again. (3) There is no sound from the headset speaker Reason: 1. Turn the volume of the mobile phone and headset to the maximum and conf irm whether it is caused by volume adjustment. Solution: When the headset is connected, adjust the volume of the mobile phone; Reason: 2. The Bluetooth headset is not properly connected with the mobile phone. Solution: Reconnect bluetooth and mobile phone through pairing. 6 Reason: 3. The Bluetooth headset is not within the valid working range. Solution: Keep the headset within 10 meters of the mobile phone, and there are no large objects, walls and other obstacles between the headset and the device. (4) The headset doesn't send messages or the voice is low. Reason: 1. The Bluetooth headset is too far from the mouth; Solution: The bluetooth headset should be worn on the ear for normal use; Reason: 2. The microphone hole of Bluetooth is blocked or water has entered; Solution: Remove the blockage of the microphone hole or prevent water from entering the microphone hole. (5) The headphone get stuck or disconnected when talking or listening to music. Reason: 1. The Bluetooth headset is too far away from the mobile phone or there are obstacles. Solution: 1. Keep the headset within 10 meters of the mobile phone, and there are no large objects and walls between the headset and the device. Be careful not to cover the bluetooth headset with your hand. In order to maintain the continuous stability of the signal, please try to keep the bluetooth and the mobile phone in the same direction. Reason: 2. There is a problem with the bluetooth signal of the mobile phone or there…

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iii)Mode Appel ii) Mode lecture Passer à d’autres appels Appel entrantAppel en cours L / RL / R L / R 4) Répondre à l’appel 2. L’appel 1 est en attente L / R 6) Rejeter l’appel 2.Mise en attente de l’appel 1 L / R 5) Basculer entre l’appel 1 et l’appel 2 L / R x 2x 2 2 s 2 s 21 2 s 21 x 2 21 L / R 2 s 4) Siri4)Google Assistant vocal L / R x 2 R L x 1/x 3x 1/x 3 1) Lecture/Pause2) Réduction du volume/précédent 3) Augmentation du volume/suivant 1)Répondre à un appel 2) Rejeter un appel entrant 3) Terminer un appel 42 Signi‰cation des voyants lumineux 43 Mode de couplage B luetooth La lumière blanche clignote Marche / Arrêt Lumière blanche 5S double ash rapide État de la batterie faible des écouteurs La lumière blanche s'allume pendant deux secondes Ašcher la batterie du boîtier de chargement (Marche / arrêt) L'ašchage numérique LED ašche les chires Ašche le niveau de la batterie du casque (Marche / arrêt) La colonne de charge d'ašchage s'allumera Le boîtier de chargement a une batterie faible (moins de 20 %) LR L'ašchage numérique clignotera et s'éteindra après 10 secondes (ašchant le niveau de batterie du casque) Spécif ications techniques Haut-parleur des écouteurs • aimant néodyme de 10 mm son x 2 unités Réponse en fréquence • 20–20 000 Hz Microphone • MEMS omnidirectionnel x1 (par écouteur) Version Bluetooth • Bluetooth 5.3 Prof il Bluetooth • A2DP • AVRCP • HFP Codec audio • SBC • AAC Fréquence de fonctionnement sans f il • 2402-2480 MHz Portée de la transmission sans f il • Jusqu’à 10 mètres (mesurée en champ libre). Les murs et les structures murales peuvent aecter la portée de transmission de l’appareil. Durée de lecture • Jusqu’à 7 heures avec une seule charge complète • Durée totale de lecture : 30 heures^ Batterie • Écouteurs : Batterie lithium-ion rechargeable Batterie au polymère 3,7 V 40 mAh 0,148 Wh • Boitier de charge : Batterie lithium-ion rechargeable Polymère 3,7 V 500 mAh 1,85 Wh Temps de charge • ≈ 2 heures Indice de protection IP • IPX7 étanche Température de fonctionnement • 0-45°C Puissance de sortie maximal • 5 dBm Puissance nominale d’entrée • 5V 1A ^Calculé sur la base d’un volume modéré. La durée de vie réelle de la batterie variera en fonction de l’utilisation, des réglages et des facteurs environnementaux REMARQUE : Les marquages de conformité sont apposés sur le boitier de charge. MISE EN GARDE : Ne pas utiliser l’écouteur à un volume élevé pendant des périodes prolongées, car cela peut entraîner une perte d’audition. 44 FAQ (1) L'écouteur Bluetooth ne s'allume pas. Causes éventuelles: La batterie du boîtier de charge ou de l'écouteur est faible. Méthode de dépannage: Mettez l'écouteur dans le boîtier de charge et fermez le couvercle, puis utilisez le chargeur pour le charger pendant plus de 1 heure avant l'utilisation. (2) Le portable n'arrive pas à rechercher l'écouteur Bluetooth. Causes éventuelles: 1. L'écouteur Bluetooth n'est pas allumé et appairé ; Méthode de dépannage: 1. Avec vos écouteurs connectés à votre appareil, quad-cliquez sur le bouton Touch. Le voyant clignote en blanc et le casque passe en état d'appairage. Causes éventuelles: 2. Une erreur existe dans le programme Bluetooth du portable ; Méthode de dépannage: Nachdem das Bluetooth des Mobiltelefons neu gestartet wurde, löschen Sie alle Paarungsdaten, die im Bluetooth des Mobiltelefons gespeichert sind; Suchen Sie dann erneut nach Bluetooth. (3) Pas de son du haut-parleur des écouteurs. Causes éventuelles: 1. Maximisez le volume du portable et des écouteurs, af in de conf irmer s'il est causé par le réglage du volume. Méthode de dépannage: Lorsque l'écouteur est connecté, appuyez sur le portable pour régler le volume. 45 Causes éventuelles: 2. L'écouteur Bluetooth n'est pas bien connecté au portable. Méthode de dépannage: Appairez de nouveau Bluetooth et portable. Causes éventuelles: 3. L'écouter Bluetooth n'est pas à la portée de service eective. Méthode de dépannage: Gardez l'écouteur à la portée de 10 m du portable, et il n'y a pas d'obstacles tels que des objets encombrants et des murs entre l'écouteur et l'appareil. (4) L'écouteur n'envoie pas ou la voix est faible. Causes éventuelles: 1. L'écouteur Bluetooth est trop éloigné de la bouche. Méthode de dépannage: L'écouteur Bluetooth doit être porté sur l'oreille pour une utilisation normale. Causes éventuelles: 2. Le microphone Bluetooth est bloqué ou de l'eau est entrée. Méthode de dépannage: Retirez le colmatage du microphone ou empêchez l'eau de pénétrer dans le microphone. (5) L'écouteur est bloqué ou désactivé pendant un appel ou lors de l'émission de la musique. Causes éventuelles: 1. L'écouteur Bluetooth est trop éloigné du portable ou il y a des obstacles. Méthode de dépannage: Gardez l'écouteur à la portée de 10 m du portable, et il n'y a pas d'obstacles tels que des objets encombrants et des murs entre l'écouteur et l'appareil, et veillez à ne pas couvrir l'écouteur Bluetooth avec vos mains. Af in de maintenir la stabilité continue du signal, veuillez essayer de garder le Bluetooth est dans la même direction que le portable. 46 Causes éventuelles: 2. Le signal Bluetooth du portable a le problème ou il y a de fortes interférences de signal à proximité. Méthode de dépannage: Mieux vaut ne pas mettre d'objets métalliques à proximité du portable. Vous pouvez également essayer un autre appareil ou changer un autre endroit. Causes éventuelles: 3. La puissance de l'écouteur Bluetooth est insu isante, veuillez charger les écouteurs dès que possible. Méthode de dépannage: Veuillez charger les écouteurs dès que possible. (6) L'écouteur d'appel vocal est silencieux et le son sort du portable. Causes éventuelles: L'écouteur est utilisé à l'appel reçu ou pendant un appel, et double-cliquez l'écouteur. Méthode de dépannage: Désactivez le Bluetooth du portable, puis allumez-le ou éteignez l'écouteur pour le mettre dans le boitier et le fermer et rouvrez-le ; l'écouteur ne prend pas en charge les appels vocaux pour se connecter ou raccro…

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DOKECOMMUNICATION(HK) LIMITED FederalCommunicationsCommission Authorizationand EvaluationDivision EquipmentAuthorizationBranch 7435 OaklandMills Road Columbia,MD 21046 10/30/23 U.S. AgentDesignation DOKECOMMUNICATION(HK) LIMITEDacknowledgestheir consentfor the followingcontactlocatedin the UnitedStatesto act as their agent for serviceof processfor the equipmentfor which authorizationis sought(FCC ID:2A7DX-AIRBUDS60): Nameand companyof U.S. agent: Tim Payne,FCC US Agent,LLC PhysicalU.S. addressof agent:3722 IllinoisAvenue,Saint Charles,IL, 60174,USA FRN of U.S. agent: 0033402884 Email addressof U.S. agent: [email protected] FCC US Agent,LLCacknowledgestheir obligationto acceptserviceof processon behalfofDOKE COMMUNICATION(HK) LIMITED. DOKECOMMUNICATION(HK) LIMITEDwith theFRN 0032533945acceptsits obligationto maintainan agentfor serviceof processin the UnitedStatesfor no less than one year after eitherthe granteehas permanentlyterminatedall marketingand importationof the applicableequipmentwithinthe U.S., or the conclusionof any Commission-relatedadministrativeor judicialproceedinginvolvingthe equipment,whicheveris later. By signingthis form, we confirmthe aboveand that we are awareof the applicationrequirementslisted under§ 2.911(d)(7). The informationprovidedin this letter is basedon the referencedrule parts of Title 47 of the CFR as well as KDB 986446D01. An expirationdate for this letter does not exist. In case the U.S. agent changes,the granteeis obligatedto notify the FCC within 30 days via the grantingTCB. Sincerely, Signature LynneChen Manager DOKECOMMUNICATION(HK) LIMITED Signature Tim Payne Manager FCC US Agent,LLC 48_[model] US_Agent_2.911(d)(7)-U, V05

Page1of4FCCID:2A7DX-AIRBUDS60 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of4FCCID:2A7DX-AIRBUDS60 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of4FCCID:2A7DX-AIRBUDS60 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of4FCCID:2A7DX-AIRBUDS60 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 ------End------

Label FCCID:2A7DX-AIRBUDS60

RFExposureevaluation FCCID:2A7DX-AIRBUDS60 1.1.ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.2.Requirement AccordingtoKDB447498D01GeneralRFExposureGuidancev06Section4.3.1StandaloneSARtest exclusionconsiderations:“UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures, standalone1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposureconditions, bymeasurementornumericalsimulation,isnotrequiredwhenthecorrespondingSARTestExclusion Thresholdcondition,listedbelow,issatisfied.Thesetestexclusionconditionsarebasedonsource-based time-averagedmaximumconductedoutputpoweroftheRFchannelrequiringevaluation,adjustedfortune-up tolerance,andtheminimumtestseparationdistancerequiredfortheexposureconditions.22Theminimum testseparationdistanceisdeterminedbythesmallestdistancefromtheantennaandradiatingstructuresor outersurfaceofthedevice,accordingtothehostformfactor,exposureconditionsandplatformrequirements, toanypartofthebodyorextremityofauserorbystander(see5)ofsection4.1).ToqualifyforSARtest exclusion,thetestseparationdistancesappliedmustbefullyexplainedandjustifiedbytheoperating configurationsandexposureconditionsofthetransmitterandapplicablehostplatformrequirements,typically intheSARmeasurementorSARanalysisreport,accordingtotherequiredpublishedRFexposureKDB procedures.WhennootherRFexposuretestingorreportingisrequired,astatementofjustificationand compliancemustbeincludedintheequipmentapproval,inlieuoftheSARreport,toqualifyfortheSARtest exclusion.Whenrequired,thedevicespecificconditionsdescribedintheotherpublishedRFexposureKDB proceduresmustbesatisfiedbeforeapplyingtheseSARtestexclusionprovisions;forexample,handheldPTT two-wayradios,handsets,laptops&tabletsetc.23“ [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance,mm)] · [√f(GHz)] ≤ 3.0for1-gSARand ≤ 7.5for10-gextremitySAR,where: • f(GHz)istheRFchanneltransmitfrequencyinGHz •PoweranddistanceareroundedtothenearestmWandmmbeforecalculation •Theresultisroundedtoonedecimalplaceforcomparison • 3.0and7.5arereferredtoasthenumericthresholdsinthestep2below Thetestexclusionsareapplicableonlywhentheminimumtestseparationdistanceis ≤ 50mmandfor transmissionfrequenciesbetween100MHzand6GHz.Whentheminimumtestseparationdistanceis<5 mm,adistanceof5mmaccordingto5)insection4.1isappliedtodetermineSARtestexclusion. 1.3.Manufacturingtolerance BR-EDR Frequency (MHz) GFSK 240224412480 Target(dBm)222 Tolerance ± (dB) 1.01.01.0 Frequency (MHz) π/4DQPSK 240224412480 Target(dBm)222 Tolerance±(dB)1.01.01.0 Frequency (MHz) 8DPSK 240224412480 Target(dBm)222 Tolerance±(dB)1.01.01.0 Page2of2 2.EvaluationResult EvaluationResults Band/Modef(GHz) Antenna Distance (mm) Max.RFoutputpower (includingtune-up tolerance) SARTest Exclusion Threshold SARTest Exclusion dBmmW BR-EDR2.5532.00.63<3Yes 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06 .....................EndofReport.........................

Page1of38ReportNo.:AIT23101310FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:DOKECOMMUNICATION(HK)LIMITED Applicantadd.: RM1902EASEYCOMMBLDG253-261HENNESSYROADWANCHAIHK CHINA Manufacturer:ShenzhenDOKEElectronicCo.,Ltd Manufactureradd.: 801,Building3,7thIndustrialZone,YulvCommunity,YutangRoad, GuangmingDistrict,Shenzhen,China ProductInformation: ProductName:WirelessEarphone ModelNo.:AirBuds60 BrandName:Blackview FCCID:2A7DX-AIRBUDS60 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Oct.13,2023DateofTest:Oct.13~Oct.25,2023 DateofIssue:Oct.26,2023TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthe testresultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements. Anditisapplicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: SimbaHuangSeal.chen Page2of38ReportNo.:AIT23101310FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 1Contents Page COVERPAGE 1CONTENTS......................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................4 2.1StatementoftheMeasurementUncertainty................................................................................4 2.2MeasurementUncertainty............................................................................................................4 3TESTFACILITY..............................................................................................................................................................5 3.1Deviationfromstandard...............................................................................................................5 3.2Abnormalitiesfromstandardconditions.......................................................................................5 3.3TestLocation.................................................................................................................................5 4GENERALINFORMATION...........................................................................................................................................6 4.1Testfrequencies............................................................................................................................7 4.2EUTPeripheralList.......................................................................................................................8 4.3TestPeripheralList.......................................................................................................................8 4.4TESTMETHODOLOGY...............................................................................................................9 4.5DescriptionofTestModes..........................................................................................................10 5EQUIPMENTUSEDDURINGTEST.........................................................................................................................11 6TESTRESULTSANDMEASUREMENTDATA.....................................................................................................11 6.1Antennarequirement..................................................................................................................12 6.2PeakPowerMeasurement.........................................................................................................13 6.3FrequencySeparationand20dBBandwidth............................................................................15 6.4NumberofHoppingFrequency..................................................................................................17 6.5TimeofOccupancy(DwellTime)...............................................................................................18 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................20 6.7Restrict-bandBand-edgeMeasurements..................................................................................22 6.8RadiatedEmissionsMeasurement............................................................................................24 6.9ConductedEmissions.................................................................................................................34 6.10Pseudorandomfrequencyhoppingsequence...........................................................................37 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................38 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................38 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................38 Page3of38ReportNo.:AIT23101310FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. RevisionHistory RevisionIssueDateRevisionsRevisedBy 000 Oct.26,2023 InitialIssueSealChen Page4of38ReportNo.:AIT23101310FW1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. 2TestSummary TestItem…

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SymbolsLWTA Dimensions 1.60±0.200.80±0.200.80±0.200.30±0.10 NumberTerminalName ① INPUT ② NC ✓Dimensions(Unit: mm) w ①② ( Side View) ( Bottom View) ( Top View) A T L HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page1 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. 1.Bluetooth 2.Dual-band WLAN 3.ISM and UWB 1.Surfacemountedelementwithasmalldimensionof1.6×0.8×0.8mmmeetfutureminiaturizationtrend. 2.EmbeddedandLTCC(lowtemperatureco-firedceramic)technologyisabletointegratewithsystemdesign aswellasbeatifyingthehousingoffinalproduct. 3.Miniaturization,wideband,highstability,lowESR,andlowtolerance. 4.Dual-bandresonancesinthedominantandharmonicmodesenablesmultibandoperations. 5.Novelground-radiationtechniqueenablesradiationfromboththeantennaandthegroundplane. ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 P/N: HY160808 SRF09 ✓Features: ✓Applications: RF chip ANT chipANT pattern PCB ground Mode-2 Mode-1 ✓Layout-1 (3.5mm×6.5mm) HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page2 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. 1.5 1 3.5 2.5 0201 footprint (E1) 0201 footprint (E2) 0603 footprint (ANT) 连接微带线， 连接RF I/O口 6.5 0.5 0.5 0.5 1.5 3.5 2.5 0201 footprint (E3) 6.5 Top layer: Bottom layer: 0.5 0.5 RF chip E1 E3 E2 ANT ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 P/N: HY160808 SRF09 Equivalentcircuit: HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page3 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. 2.5 0201 footprint 0603 footprint 连接微带线， 连接RF I/O口 10 0.5 1.5 0201 footprint 1.5 3 2.5 10 1.5 2 0.5 0201 footprint ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 P/N: HY160808 SRF09 ✓Layout-2 (1.5mm×10mm) Top layer: Bottom layer: HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page4 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 P/N: HY160808 SRF09 5 2 0201 footprint (E1) 0201 footprint (E2) 0603 footprint (ANT) 连接微带线， 连接RF I/O口 7 0.8 5 0201 footprint (E2) 连接微带线， 连接RF I/O口 10 0.8 0603 footprint (ANT) 0201 footprint (E1) ✓Layout-3 (5mm×7mm) ✓Layout-4 (5mm×10mm) 1 3 ✓ElectricalCharacteristics: ✓CharacteristicCurves: FeatureSpecification 1 Centralfrequency2.45GHz&5.5GHz 2 Bandwidth>150MHz 3 Peak gain2~3dBi 4 VSWR<2 5 PolarizationLinear 6 AzimuthbeamwidthOmnidirectional 7 Impedance50Ω HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page5 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 P/N: HY160808 SRF09 ✓RadiationPattern: Y-ZPlane X-ZPlane coordinates： ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page6 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. Frequency 2450MHz5500MHz Avg.gain-0.85-1.30 Peakgain3.03.5 Efficiency82%78% ✓RadiationPerformance: P/N: HY160808 SRF09 Temperature：40±2°C Humidity：90~95%RH Duration：500h Recovery conditions：Room temperature Recovery Time：24h (Class1) or 48h (Class2) Test Temperature Operating Temperature Temperature RelativeHumidity 25°C±5°C -25°C~+125°C 5~40°C 20~70% Notenoughsolder Weak holding forcemay cause bad connection between the chipandPCB. ✓RecommendedSolderingAmounts The optimal solder fillet amounts forre-flowsoldering 天线厚度 以下 The optimal solder fillet amounts for wavesoldering ✓DependabilityTest Too much solder Cracks tend to occur due to large stress. ✓MoistureProof ✓OptimumSolderAmount forReflowSoldering ✓Solderability At least 95% of the terminal electrode is covered by newsolder. Preheating conditions:80 to 120°C;10~30s. Solder Tem p e r at u r e :2 3 5 ±5°C Duration:2 ±0.5s , Solder Tempe r ature:24 5±5°C Du rat ion:2±0.5s HanyangAntennaDesignCo.Ltd.haspossessionofproprietaryinformationprovidedinthisreportand thisproprietaryinformationshallbekeptinstrictconfidenceandnotdisclosedtoanypersonorfirm withoutthepriorwrittenconsentofHanyangAntennaDesignCo.Ltd. Page7 汉阳天线设计有限公司 HanyangAntenna Design Co. Ltd. ▪深圳市宝安区前进二路宝运达物流信息大厦12A10/12A11 ▪青岛市崂山区松岭路399号海信产业园A1号楼606 电话：0755-23069700 传真：0755-23069700 P/N: HY160808 SRF09 10±1S AppliedForce:5NDuration:10±1S Preheating conditions: up-category temperature, 1h Recovery time:24±1h InitialMeasurement Cycling Times: 5 times, 1 cycle, 4steps: Preheating80to120°C;10~30s.SolderTemperature:235±5°C;Duration:2±0.5s;SolderTemperature:245±5°C Duration:2±0.5s;Preheating100to200°C;10±2min. SolderTemperature:265±5°C;Duration:10±1s Cleanthecapacitorwithsolventandexamineitwitha10X(min.)microscope. RecoveryTime:24±2h Recoverycondition:Roomtemperature Test Board: Al 2 O 3 orPCBWarp:1mm Speed:0.5mm/sec. Unit:mm Themeasurementshouldbemadewiththeboardinthe bendingposition. ✓Resistance to Soldering Heat ✓ResistancetoFlexureofSubstrate ✓Temperature CycleTest H…

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DongguanYaxu(AiT)TechnologyLimited ReportNo.: AIT23101310FW1 FCC ID : 2A7DX-AIRBUDS60 Page1 of61 AppendixA RF Test Data for BT(BDR/EDR)(ConductedMeasurement) ProductName:WirelessEarphone TradeMark:Blackview Test Model:AirBuds60 EnvironmentalConditions Temperature:25.4°C RelativeHumidity:52.3 % ATM Pressure:101Kpa Test Engineer:SimbaHuang Supervisedby…

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