ZPY-MKRCPA PREMIUM WIRELESS MECHANICAL KEYBOARD

AZIOCorporation 2024-07-03 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID:ZPY-MKRCP [AZIOCorporation](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivingan equipmentauthorizationpursuanttosection2.903oftheFCCrules. Sincerely, Signature: Applicantname:DavidShiue AZIOCorporation 2024-07-03 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: ZPY-MKRCP [AZIO Corporation] (“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, Signature: Applicantname: DavidShiue

AttestationStatements 2024-07-03 TO:FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046,USA RE:AttestationStatementsPart2.911(d)(7)requestforFCCID:ZPY-MKRCP AZIOCorporation,theundersigned,herebyauthorizeAZIOCorporationtoactasour designatedU.S.agentforserviceofprocess,AZIOCorporationacceptstomaintainan agentfornolessthanoneyearafterthegranteehasterminatedallmarketingand importationortheconclusionofanyCommission-relatedproceedinginvolvingthe equipment. AZIOCorporation acceptstheresponsibilitytoactasdesignatedU.S.agentforservice ofprocess. ApplicantInformation： CompanyName:AZIOCorporation ContactName:DavidShiue Address:19933HarrisonAve.CityofIndustry,California91789,UnitedStates FRN:0020987780 TelephoneNo:001-909-469-1198 Email:[email protected] Signature [DavidShiue] U.S.AgentInformation: CompanyName:AZIOCorporation Address:19933HarrisonAve.CityofIndustry,California91789,UnitedStates FRN:0020987780 ContactName:DavidShiue TelephoneNo:001-909-469-1198 Email:[email protected] Signature [DavidShiue]

AZIOCorporation 19933HarrisonAve.CityofIndustry,California91789,UnitedStates Statement Product:APREMIUMWIRELESSMECHANICALKEYBOARD Model:RCPrestige AdditionalModel:MKRCPBW032,MKRCPBW031,MKRCPBW034,MKRCPBL091, MKRCPBL092,MKRCPBL094,MKRCPBXXXX(X:LetterA-Z,number0-9, orspace,usedtodistinguishbetweendifferentcustomers,differentcolors, differentpackaging,donotaffecttheproductsafetyandelectromagnetic compatibility.) Trademark:N/A WeherebystatethatRCPrestigeistestedmodel,othermodelsarederivativemodels.Themodels areidenticalincircuitandPCBlayout,onlydifferentonthemodelnames.SothetestdataofRC Prestigecanrepresenttheremainingmodels. Yourassistanceonthismatterishighlyappreciated. Yourssincerely, Signature: Date:2024/08/02 Name：DavidShiue CompanyName：AZIOCorporation Address：19933HarrisonAve.CityofIndustry,California91789,UnitedStates Tel/Fax：001-909-469-1198/001-909-468-3066 E-Mail：[email protected]

AZIOCorporation 2024-07-03 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR(APREMIUMWIRELESS MECHANICALKEYBOARD/RCPrestige,MKRCPBW032,MKRCPBW031, MKRCPBW034,MKRCPBL091,MKRCPBL092,MKRCPBL094, MKRCPBXXXX(X:LetterA-Z,number0-9,orspace,usedtodistinguishbetween differentcustomers,differentcolors,differentpackaging,donotaffecttheproduct safetyandelectromagneticcompatibility.)/FCCID:ZPY-MKRCP) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe SchematicDiagram BlockDiagram OperationalDescription requiredtobesubmittedwiththisapplicationbepermanentlywithheldfrompublic review. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, Signature: Applicantname:DavidShiue

AZIOCorporation 2024-07-03 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorize(SHENZHENTONGCETESTINGLAB)toactonour behalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthesigningof alldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, Signature: Applicantname:DavidShiue

Page 1 of 3 Appendix C: Photographs of EUT Product: A PREMIUM WIRELESS MECHANICAL KEYBOARD Model: RC Prestige External Photos Page 2 of 3 Page 3 of 3

LabelArtworkandLocation Model:RCPrestige Label: Size:L*W=120*20mm Location

Page 1 of 3 Appendix C: Photographs of EUT Product: A PREMIUM WIRELESS MECHANICAL KEYBOARD Model: RC Prestige Internal Photos Page 2 of 3 Page 3 of 3 Antenna

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : ZPY-MKRCP Test Report No. ............... : TCT240619E029 Date of issue ................... : Jun. 27, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : AZIO Corporation Address ........................... : 19933 Harrison Ave. City of Industry, California 91789, United States Manufacturer's name ... : AZIO Corporation Address ........................... : 19933 Harrison Ave. City of Industry, California 91789, United States Standard(s) ..................... : KDB 447498 D01 General RF Exposure Guidance v06 Product Name ................. : A PREMIUM WIRELESS MECHANICAL KEYBOARD Trade Mark ...................... : N/A Model/Type reference..... : RC Prestige, MKRCPBW032, MKRCPBW031, MKRCPBW034, MKRCPBL091, MKRCPBL092, MKRCPBL094, MKRCPBXXXX (X: Letter A-Z, number 0-9, or space, used to distinguish between different customers, different colors, different packaging, do not affect the product safety and electromagnetic compatibility.) Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Jun. 19, 2024 Date (s) of performance of test ................................... : Jun. 19, 2024 ~ Jun. 27, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240619E029 Page 2 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Test Results and Measurement Data ..................................................... 6 Report No.: TCT240619E029 Page 3 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : A PREMIUM WIRELESS MECHANICAL KEYBOARD Model/Type reference........... : RC Prestige Sample Number....................: TCT240619E028-0101 Operation Frequency ........... : 2402MHz~2480MHz Modulation Type ................... : GFSK Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 1.87dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Model(s) list No. Model No. Tested with 1 RC Prestige Other models MKRCPBW032, MKRCPBW031, MKRCPBW034, MKRCPBL091, MKRCPBL092, MKRCPBL094, MKRCPBXXXX (X: Letter A-Z, number 0-9, or space, used to distinguish between different customers, different colors, different packaging, do not affect the product safety and electromagnetic compatibility.) Note: RC Prestige is tested model, other models are derivative models. The models are identical in circuit and PCB layout, only different on the model names. So the test data of RC Prestige can represent the remaining models. Report No.: TCT240619E029 Page 4 of 6 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Item Normal condition Temperature +25ºC Voltage DC 3.7V Humidity 56% Atmospheric Pressure: 1008 mbar Test Mode: Engineering mode: Keep the EUT in continuous transmitting by select channel 2.2. Description of Support Units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Equipment Model No. Serial No. FCC ID Trade Name / / / / / Note: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 3. For conducted measurements (Output Power, 20dB Occupied Bandwidth, Carrier Frequencies Separation, Hopping Channel Number, Dwell Time, Spurious Emissions), the antenna of EUT is connected to the test equipment via temporary antenna connector, the antenna connector is soldered on the antenna port of EUT, and the temporary antenna connector is listed in the Test Instruments. Report No.: TCT240619E029 Page 5 of 6 Hotline: 4…

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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. Top view Side view Z Y X Front view Front viewRear view SMA connector X Z Y 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

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : ZPY-MKRCP Test Report No. ............... : TCT240619E028 Date of issue ................... : Jun. 27, 2024 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : AZIO Corporation Address ........................... : 19933 Harrison Ave. City of Industry, California 91789, United States Manufacturer's name ... : AZIO Corporation Address ........................... : 19933 Harrison Ave. City of Industry, California 91789, United States Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Section 15.247 FCC KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Product Name ................. : A PREMIUM WIRELESS MECHANICAL KEYBOARD Trade Mark ...................... : N/A Model/Type reference..... : RC Prestige, MKRCPBW032, MKRCPBW031, MKRCPBW034, MKRCPBL091, MKRCPBL092, MKRCPBL094, MKRCPBXXXX (X: Letter A-Z, number 0-9, or space, used to distinguish between different customers, different colors, different packaging, do not affect the product safety and electromagnetic compatibility.) Rating(s).......................... : Rechargeable Li-ion Battery DC 3.7V Date of receipt of test item ......................................... : Jun. 19, 2024 Date (s) of performance of test ................................... : Jun. 19, 2024 ~ Jun. 27, 2024 Tested by (+signature) ... : Onnado YE Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT240619E028 Page 2 of 64 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Table of Contents 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 1.3. Operation Frequency ............................................................................................ 3 2. Test Result Summary .............................................................................. 5 3. General Information ................................................................................. 6 3.1. Test environment and mode ................................................................................. 6 3.2. Description of Support Units ................................................................................ 6 4. Facilities and Accreditations .................................................................. 7 4.1. Facilities ................................................................................................................. 7 4.2. Location ................................................................................................................. 7 4.3. Measurement Uncertainty ..................................................................................... 7 5. Test Results and Measurement Data ..................................................... 8 5.1. Antenna requirement ............................................................................................ 8 5.2. Conducted Emission ............................................................................................. 9 5.3. Conducted Output Power ................................................................................... 13 5.4. 20dB Occupy Bandwidth .................................................................................... 14 5.5. Carrier Frequencies Separation ......................................................................... 15 5.6. Hopping Channel Number .................................................................................. 16 5.7. Dwell Time ............................................................................................................ 17 5.8. Pseudorandom Frequency Hopping Sequence ................................................ 18 5.9. Conducted Band Edge Measurement ................................................................ 19 5.10.Conducted Spurious Emission Measurement .................................................. 20 5.11.Radiated Spurious Emission Measurement ..................................................... 21 Appendix A: Test Result of Conducted Test Appendix B: Photographs of Test Setup Appendix C: Photographs of EUT Report No.: TCT240619E028 Page 3 of 64 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ....................... : A PREMIUM WIRELESS MECHANICAL KEYBOARD Model/Type reference........... : RC Prestige Sample Number....................: TCT240619E028-0101 Bluetooth Version ................ : V5.0 Operation Frequency ........... : 2402MHz~2480MHz Transfer Rate ........................ : 1 Mbits/s Number of Channel .............. : 79 Modulation Type ................... : GFSK Modulation Technology ....... : FHSS Antenna Type ........................ : PCB Antenna Antenna Gain ........................ : 1.87dBi Rating(s)................................ : Rechargeable Li-ion Battery DC 3.7V Note: The antenna gain listed in this report is provided by applicant, and the test laboratory is not responsible for this parameter. 1.2. Mo…

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Page 1 of 2 Appendix B: Photographs of Test Setup Product: A PREMIUM WIRELESS MECHANICAL KEYBOARD Model: RC Prestige Radiated Emission Page 2 of 2 Conducted Emission