2BKTN-902000106Slim keyboard 2

Specifications: Working current Low voltage alarm Battery standby time Battery life Charging port Charging time voltage Working time Battery capacity Keyboard lifetime Connection distance Charging current 3,0 mA 3,0-3,3 V 150 days 3 years USB-C 2 3 hours 3,0-4,2 V 70 hours 180 mAh 3 Mio. keystrokes 10m 200 mA Indicator Lights: Caps Lock Indicator Battery Indicator Charging Indicator Bluetooth Indicator Lights up when Caps Lock is enabled. Lights up when the battery level is low. Please connect the keyboard to a power source. The indicator light turns red during the charging process. The indicator light turns green when the keyboard is fully charged. The indicator light blinks when the battery level is low. The indicator light blinks blue in pairing mode and turns off after a successful connection. To enter pairing mode, press "Fn + C". Multifunction key: Press the Fn combination Home button Reduce brightness Increase brightness Virtual Keyboard Charging the input method Previous song Next song Mute Reduce volume Increase volume Lock screen Play / PauseSearch Set up the connection: 1.Start your keyboard by pressing the "ON/OFF" button. 2.Turn on the Bluetooth connection on your iPad. 3.Press "Fn" + "C" to put the keyboard into pairing mode. 4.Select the "DEQSTER Keyboard" from the available Bluetooth devices. 5.Enter the displayed numerical code via the keyboard and confirm it with the Enter key. 6.Your keyboard is connected. Connection problems and solutions: •Make sure that the keyboard is turned on. •Make sure the keyboard is within the maximum Bluetooth range of the iPad. •Make sure the battery is charged. •Check if the Bluetooth function on your iPad is turned on. •Make sure the keyboard is connected to the iPad via Bluetooth. •Make sure the keyboard is successfully paired with your iPad. Safety and Disclaimer: The keyboard is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience or knowledge, unless they have been given supervision or instruction concerning use of the keyboard by a person responsible for their safety. Children should be supervised to ensur e that improper use of the keypad is prevented. Never attempt to open the device to carry out repairs or modifications. Avoid contact with the mains voltage, the device is only de-energized when the plug is disconnected. Do not short-circuit the product. Do not charge the device during thunderstorms. Remove the charging cable after charging is complete. Protect it from high humidity, water and snow. Do not bring the device into contact with liquid. Keep the device away from high temperatures. Do not expose the device to sudden temperature changes or strong vibrations, as this could damage the electronic parts. Check the device for damage before use. The device should not be used if it has been subjected to an impact that has resulted in visible damage or if it has been damaged in any other way. Do not use the device for purposes other than those described in the instructions. Any repair or modification to the device that is not carried out by the original supplier will invalidate the warranty or guarantee claims. The device specifications may change without prior notice. Recycling: Follow the European WEEE Directive for proper recycling and disposal of electrical and electronic devices. Compliance: DEQSTER GmbH declares that the device complies with the essential requirements and other relevant provisions of Directive 2014/53/EU. A complete Declaration of Conformity can be obtained on our website: www.deqster.de Standby mode: If the Keyboard is not used for about 10 minutes, it will enter Stand-By Mode. Press any key for 3 seconds to reactivate the Keyboard. Cleaning: Clean this product only with a lint-free, dry cloth and do not use any aggressive cleaners. Make sure no water gets into the product. Troubleshooting: •Make sure the Keyboard is turned on. •Ensure the Keyboard is within the maximum Bluetooth range to the device. •Make sure the battery is sufficiently charged. •Ensure that the Bluetooth functions on the iPad and on the Keyboard are activated. •Make sure the Keyboard has been successfully paired. Slim Keyboard 2 User Manual 90-2000106 Keyboard area Capital letters indicator Battery indicator Charging indicator Bluetooth indicator ` j v `j jv `v `jv h MOMNOMOQpäáã=hÉóÄç~êÇO=^åé~ëëìåÖ|rëÉê=j~åì~äKéÇÑ===N===MPKMNKOQ===NQWQR FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet gene…

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DEQSTERGmbH FederalCommunicationsCommission Authorizationand EvaluationDivision EquipmentAuthorizationBranch 7435 OaklandMills Road Columbia,MD 21046 9/13/24 U.S. AgentDesignation DEQSTERGmbHacknowledgestheir consentfor the followingcontactlocatedin the UnitedStatesto act as their agent for serviceof processfor the equipmentfor which authorizationis sought(FCC ID:2BKTN-902000106): Nameand companyof U.S. agent:UUX GROUPINC PhysicalU.S. addressof agent:36 South18th Avenue,Suite A Brighton,CO USA 80601 FRN of U.S. agent:0033701590 Email addressof U.S. agent:[email protected] UUX GROUPINCacknowledgestheir obligationto acceptserviceof processon behalfofDEQSTERGmbH. DEQSTERGmbHwith the FRN0035905702acceptsits obligationto maintainan agent for serviceof processin the UnitedStatesfor no less than one year after either the granteehas permanentlyterminatedall marketingand importationof the applicableequipmentwithinthe U.S.,or the conclusionof any Commission-related administrativeor 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 CumaSaado CEO DEQSTERGmbH Signature Jack Fu Manager UUX GROUPINC 48_[model] US_Agent_2.911(d)(7)-U, V05

DEQSTER GmbH Friesenweg 5H, 22763 Hamburg, Germany Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-18 To whom it may concern: We, DEQSTER GmbH, hereby certify that the equipment for which authorization is sought (FCC ID: 2BKTN-902000106) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Sincerely, Signature Cuma Saado CEO DEQSTER GmbH 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V03

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2024-9-18> Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we requests confidentiality for the following products: FCC ID Model name 2BKTN-902000106 90-2000106 For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Cuma Saado/CEO Company: DEQSTER GmbH Address: Friesenweg 5H, 22763 Hamburg, Germany Phone: +49 40 227134-90 Fax: N/A E-Mail: [email protected]

DEQSTER GmbH Friesenweg 5H, 22763 Hamburg, Germany Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2024-9-18 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: 2BKTN-902000106 including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. By signing this application form, we agree to Eurofins’ current valid General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title： Cuma Saado/CEO Company: DEQSTER GmbH Address: Friesenweg 5H, 22763 Hamburg, Germany Phone: +49 40 227134-90 Fax: N/A E-Mail: [email protected]

DEQSTER GmbH Add: Friesenweg 5H, 22763 Hamburg, Germany Date: 2024-9-18 FCC ID: 2BKTN-902000106 Dear Sir/Madam, We, DEQSTER GmbH Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: Slim keyboard 2 Model no.: 90-2000106, 90-2000105 Sincerely, Name/Title： Cuma Saado/CEO Company: DEQSTER GmbH Address: Friesenweg 5H, 22763 Hamburg, Germany Phone: +49 40 227134-90 Fax: N/A E-Mail: [email protected]

Page1of4 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. ExternalPhotos Photo1 Photo2 Page2of4 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of4 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of4 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 ------End------

Label PMN: Slim keyboard 2 HVIN: 90-2000106 FCC ID: 2BKTN-902000106 IC: 32997-902000106 Size: 60mm*20mm Note: Pantone Cool Gray 9C PMN: Slim keyboard 2 HVIN: 90-2000105 FCC ID: 2BKTN-902000106 IC: 32997-902000106 Size: 60mm*20mm Note: Pantone Cool Gray 9C

Page1of5 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. InternalPhotos Photo1 Photo2 Page2of5 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo3 Photo4 Page3of5 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo5 Photo6 Page4of5 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo7 Photo8 Antenna Page5of5 FCCID:2BKTN-902000106 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. Photo9 ------End------

RFExposureevaluation FCCID:2BKTN-902000106 ApplicableStandard Accordingto§1.1307(b)(1),systemsoperatingundertheprovisionsofthissectionshallbeoperatedina mannerthatensuresthatthepublicisnotexposedtoradiofrequencyenergylevelinexcessofthe Commission’sguidelines. Accordingto§1.1310and§2.1093RFexposurerequirement KDB447498v06:MobileandPortableDevicesRFExposureProceduresandEquipmentAuthorization Policies 1.1.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. 1.2.Manufacturingtolerance BR-EDR Frequency (MHz) GFSK 240224412480 Target(dBm)-5.0-5.0-6.0 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-EDR2.55-40.400.125<3Yes 3.Conclusion ThemeasurementresultscomplywiththeFCCLimitper47CFR2.1093fortheuncontrolledRFExposure andSARExclusionThresholdperKDB447498v06 .....................EndofReport.........................

Page1of39ReportNo.:AiTDG-240814001W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. TESTREPORT ClientInformation: Applicant:DEQSTERGmbH Applicantadd.:Friesenweg5H,22763Hamburg,Germany Manufacturer:SHENZHENMEMOTECHNOLOGYCO.,LTD Manufactureradd.: Rm2003,F/20,ZhongxingTower,ShangdeRoad,ShajingStreet,Bao'an District,Shenzhen,China Factory:ShenzhenEbitsTechnologyCo.,Ltd Factoryadd.: Room201,Building12,HengmingzhuScienceandTechnologyIndustrialPark, TongfuyuIndustrialZone,Xinqiao,GongheCommunity,ShajingStreet,Baoan District,Shenzhen,China ProductInformation: ProductName:Slimkeyboard2 ModelNo.:90-2000106,90-2000105 BrandName:DEQSTER FCCID:2BKTN-902000106 Applicablestandards: FCCCFRTitle47Part15SubpartCSection15.247 PreparedBy: DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang,Huangjiang,Dongguan, Guangdong,China Tel.:+86-769-82020499Fax.:+86-769-82020495 DateofReceipt:Aug.14,2024DateofTest:Aug.15,2024~Aug.20,2024 DateofIssue:Aug.21,2024TestResult:Pass ThisdevicedescribedabovehasbeentestedbyDongguanYaxu(AiT)TechnologyLimitedandthetest resultsshowthattheequipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditis applicableonlytothetestedsampleidentifiedinthereport. Note:Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofDongguan Yaxu(AiT)TechnologyLimited,thisdocumentmaybealteredorrevisedbyDongguanYaxu(AiT) TechnologyLimited,personalonly,andshallbenotedintherevisionofthedocument.Thistest reportmustnotbeusedbytheclienttoclaimproductendorsement. Reviewedby:Approvedby: EmiyaLinSimbaHuang Page2of39ReportNo.:AiTDG-240814001W1 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.....................................................................................................13 6.1Antennarequirement..................................................................................................................13 6.2PeakPowerMeasurement.........................................................................................................14 6.3FrequencySeparationand20dBBandwidth............................................................................16 6.4NumberofHoppingFrequency..................................................................................................18 6.5TimeofOccupancy(DwellTime)...............................................................................................19 6.6ConductedSpuriousEmissionsandBandEdgesTest.............................................................21 6.7Restrict-bandBand-edgeMeasurements..................................................................................23 6.8RadiatedEmissionsMeasurement............................................................................................25 6.9ConductedEmissions.................................................................................................................35 6.10Pseudorandomfrequencyhoppingsequence...........................................................................38 7TESTSETUPPHOTOGRAPHSOFEUT.................................................................................................................39 8EXTERNALPHOTOGRAPHSOFEUT....................................................................................................................39 9INTERNALPHOTOGRAPHSOFEUT.....................................................................................................................39 Page3of39ReportNo.:AiTDG-240814001W1 DongguanYaxu(AiT)TechnologyLimited No.22,Jinqianling3rdStreet,Jitigang, Huangjiang,Dongguan,Guangdong,China. REPORTREVISERECORD Report Version ReviseTimeIssuedDateValidVersionNot…

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UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Report for Broadcom By Alfred Grau UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Tested Products. • Antenna 1: integrated antenna. • Frequency = 2.402GHz. • Frequency = 2.441GHz. • Frequency = 2.480GHz. UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Coordinate System Reference: Antenna 1. Length 10mm and Width 5mm UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.402GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.441GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. YZ Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Radiation pattern: Antenna 1. XY Plane at f = 2.480GHz Co-cross polarization field (dBi) Solid line: vertical polarizationDash line: horizontal polarization Total field (dBi) 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 -15 -20 -20 -25 -25 -30 -30 -35 0 45 90 135 180 225 270 315 0 0 -5 -5 -10 -10 -15 UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Return Loss: Antenna 1 BW(-10dB) ¡ 13.48% 2 2.2 2.4 2.6 2.8 3 Frequency (GHz) -16-14-12-10 -8-6-4-2 R e t u r n L o s s ( d B ) UCI CENTER FOR RF DESI GN AND CHARACTERIZATION Measurements summary Frequency (GHz) Plane Return Loss (dB) Polarization Gain max. (dBi) θ for Gain max. φ for Gain max. Antenna 1 2.402 XZ -10.90 Vertical -7.8 290 2.402 XZ -10.90 Horizontal 0.786 182 2.402 YZ -10.90 Vertical 1.21 226 2.402 YZ -10.90 Horizontal -7.75 10 2.402 XY -10.90 Vertical -15.4 20 2.402 XY -10.90 Horizontal 0.93 180 2.441 XZ -12.20 Vertical -7.36 318 2.441 XZ -12.20 Horizontal 1.32 180 2.441 YZ -12.20 Vertical 0.981 204 2.441 YZ -12.20 Horizontal -8.23 24 2.441 XY -12.20 Vertical -14.1 -14 2.441 XY -12.20 Horizontal 1.74 180 2.48 XZ -13.80 Vertical -7.95 312 2.48 XZ -13.80 Horizontal 1.81 186 2.48 YZ -13.80 Vertical 0.204 214 2.48 YZ -13.80 Horizontal -8.38 8 2.48 XY -13.80 Vertical -15.8 12 2.48 XY -13.80 Horizontal 1.87 180

DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240814001W1 FCCID:2BKTN-902000106 Page1of29 AppendixA RFTestDataforBT(BDR/EDR)(ConductedMeasurement) ProductName:Slimkeyboard2 TradeMark:DEQSTER TestModel:90-2000106 EnvironmentalConditions Temperature:25.7°C RelativeHumidity:58.6% ATMPressure:101Kpa TestEngineer:Emiyalin Supervisedby:SimbaHaung DongguanYaxu(AiT)TechnologyLimited ReportNo.:AiTDG-240814001W1 FCCID:2BKTN-902000106 Page2of29 Contents Page COVERPAGE 1DutyCycle........................................................................................................................................................................................3 1.1TestResult............................................................................................................................................................................3 1.2TestGraphs...........................................................................................................................................................................4 2MaximumConductedPeakOutputPower........................................................................................................................................6 2.1TestResult............................................................................................................................................................................6 2.2TestGraphs...........................................................................................................................................................................7 320dBBandwidth................................................................................................................................................................................9 3.1TestResult............................................................................................................................................................................9 3.2TestGraphs.........................................................................................................................................................................10 4CarrierFrequencySeparation.........................................................................................................................................................12 4.1TestResult..........................................................................................................................................................................12 4.2TestGraphs.........................................................................................................................................................................13 5HoppingChannelNumber...............................................................................................................................................................14 5.1TestResult..............................................…

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