2AC8UA2441Smart Watch

Anhui Huami Information Technology Co.,Ltd.

Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Apr 08, 2026
Application Purpose: Original Equipment
Equipment Note: Smart Watch
Frequency Range: 2402.00000000 - 2480.00000000
Company: Anhui Huami Information Technology Co.,Ltd.
Country: China

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

AnhuiHuamiInformationTechnologyCo.,Ltd. 2.911(d)(5)(i)EquipmentTypeAttestationv1.2 Section2.911(d)(5)(i)Certification–EquipmentType Companyname:AnhuiHuamiInformationTechnologyCo.,Ltd. Address:Room401-1,BuildingH8,HefeiInnovationIndustrialParkPhaseII,No.2800,Chuangxin Road,High-techZone,HefeiCity,AnhuiPilotFreeTradeZone,China ProductName:SmartWatch FCCID:2AC8UA2441 Model(s):A2441 2.911(d)(5)(i)EquipmentType We,[AnhuiHuamiInformationTechnologyCo.,Ltd.](“theapplicant”)certifythattheequipmentfor whichauthorizationissoughtthroughcertificationisnot:  Prohibitedfromreceivinganequipmentauthorizationpursuantto§2.903;oftheFCCrules.  Identifiedasanequipmenttypeinthe“CoveredList” NOTE1 Yourssincerely, Name:LloydWongDate:02Apr.2026 TitleandCompanyname:SeniorCertificationManager/AnhuiHuamiInformationTechnologyCo., Ltd. NOTE1 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Attestation Statements

AnhuiHuamiInformationTechnologyCo.,Ltd. 2.911(d)(5)(ii)ApplicantAttestationv1.3 Section2.911(d)(5)(ii)Certification–Applicant(CoveredList) Companyname:AnhuiHuamiInformationTechnologyCo.,Ltd. Address:Room401-1,BuildingH8,HefeiInnovationIndustrialParkPhaseII,No.2800,Chuangxin Road,High-techZone,HefeiCity,AnhuiPilotFreeTradeZone,China ProductName:SmartWatch FCCID:2AC8UA2441 Model(s):A2441 2.911(d)(5)(ii)Applicantfiling We,[AnhuiHuamiInformationTechnologyCo.,Ltd.](“theapplicant”)certifythat,asofthedateofthe filingoftheapplication,theapplicantisisnotidentified NOTE1 onthe“CoveredList” NOTE2 , establishedpursuantto§1.50002ofthischapter,asanentityproducingcoveredcommunications equipment. Yourssincerely, Name:LloydWongDate:02Apr.2026 TitleandCompanyname:SeniorCertificationManager/AnhuiHuamiInformationTechnologyCo., Ltd. NOTE1 Deleteoptionnotapplicabletothisapplication. NOTE2 “CoveredList”;istheListofEquipmentandServicesCoveredBySection2ofTheSecureNetworksAct,availableat https://www.fcc.gov/supplychain/coveredlist References; 1)986446D01CoveredEquipmentv01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2)FederalRegisterdocument2022-28263publishedon02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Cover Letter(s)

AnhuiHuamiInformationTechnologyCo.,Ltd. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:2026/04/02 Subject;RequestforConfidentiality FCCID:2AC8UA2441 ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthesedocuments mightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantageinthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SOFTWARESECURITYREQUIREMENTSFORU-NIIDEVICES Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:LloydWong Title:SeniorCertificationManager

Cover Letter(s)

AnhuiHuamiInformationTechnologyCo.,Ltd. AgentAuthorization Company:AnhuiHuamiInformationTechnologyCo.,Ltd. Address:Room401-1,BuildingH8,HefeiInnovationIndustrialParkPhase II,No.2800,ChuangxinRoad,High-techZone,HefeiCity,AnhuiPilotFree TradeZone,China ProductName:SmartWatch ModelNumber(s):A2441 ProductDescription:SmartWatch WeauthorizeMiCOMLabsInc.,575BoulderCourt,Pleasanton,California94566,USA, toactonourbehalfonallmattersconcerningthecertificationofabovenamed equipment. WedeclarethatMiCOMLabsInc.isallowedtoforwardallinformationrelatedtothe approvalandcertificationofequipmenttotheregulatoryagenciesasrequiredandto discussanyissuesconcerningtheapprovalapplication.Anyandallactscarriedoutby MiCOMLabsonourbehalfshallhavethesameeffectasactsofourown. Signature:Date: 2026/04/02 Name:LloydWong Title:SeniorCertificationManager Company:AnhuiHuamiinformationTecheologyCo,Ltd.

ID Label/Location Info

Label SmartWatch Modelname: A2441 FCCID:2AC8UA2441 IC:21806-A2441 HVIN:A2441

RF Exposure Info

Anyreproductionofthisdocumentmustbedoneinfull.Nosinglepartofthisdocumentmaybereproducedwithout permissionfromSTS,AllTestDataPresentedinthisreportisonlyapplicabletopresentedTestsample. ShenZhenSTSTestServicesCo.,Ltd. A1/F,BuildingB,ZhuokeSciencePark,No.190ChongqingRoad,HepingShequ,FuyongSub-District,Bao’anDistrict,Shenzhen, GuangDong,China TEL:+86-75536886288FAX:+8 6-75 536886277E-mail:[email protected] S T L A B S SAR DipolePerformanceMeasurement Report EUTType ： SARValidationDipoleandWaveguide ModelName ： DIP2G450 BrandName: SATIMO TestConclusion： Pass TestDate：11Dec.2024&03Jul.2025 DateofIssue： 03Jul.2025 TestingEngineer: (Xin.Liu) TechnicalManager: (Shifan.Long) AuthorizedSignatory: (BoveyYang) ISSUEDBY ShenzhenSTSTestServicesCo.,Ltd. KindofEquipmentManufacturerTypeNo.SerialNo.LastCalibrationCalibratedUntil PCAcerN/AN/AN/AN/A E-FieldProbeMVGSSE2 SN08/21 EPGO352 2024.09.182025.09.17 DielectricProbeKitMVGSCLMP SN32/14 OCPG67 2024.09.182025.09.17 Phantom1MVGSAM SN32/14 SAM115 N/AN/A Phantom2MVGSAM SN32/14 SAM116 N/AN/A AttenuatorAgilent99899DC-18GHzN/AN/A DirectionalcouplerNarda4226-203305N/AN/A NetworkAnalyzerAgilentE5071CMY465203782024-09-252025-09-26 MultiMeterKeithley MultiMeter 2000 40500732024-09-252025-09-26 SignalGeneratorAgilentN5182AMY501405302024-09-252025-09-26 PowerAmplifierDESAYZHL-42W96382024-09-252025-09-26 PowerMeterR&SNRP1005102024-09-252025-09-26 PowerSensorR&SNRP-Z111019192024-09-252025-09-26 PowerSensorKeysightU2021XAMY562800022024-09-252025-09-26 Temperature hygrometer SuWeiSW-108N/A2024.10.152025.10.14 ThermographElitechRC-4 S/N EF7176501537 2024.10.152025.10.14 ISSUEDBY ShenzhenSTSTestServicesCo.,Ltd. KindofEquipmentManufacturerTypeNo.SerialNo.LastCalibrationCalibratedUntil SARTestSystemSATIMON/A V5.3.15.11 N/AN/A DielectricProbeKitMVGSCLMPSN32/14OCPG672025.09.152026.09.14 AntennaMVGANTA3SN07/13ZNTA52N/AN/A Phantom1MVGSAMSN32/14SAM115N/AN/A Phantom3MVGSAMSN21/21ELLI48N/AN/A PhoneholderMVGN/ASN32/14MSH97N/AN/A LaptopholderMVGN/ASN32/14LSH29N/AN/A AttenuatorAgilentHXT-10-8-SMA2403270172025-02-222026-02-21 DirectionalcouplerXi'anXingboXBOH-OA08-20dB211123-4-32025-02-222026-02-21 NetworkAnalyzerAgilentE5071CMY465203782025-09-262026-09-24 MultiMeterKeithleyMultiMeter200040500732025-09-222026-09-21 SignalGeneratorAgilentN5182AMY501405302025-09-262026-09-25 WirelessCommunication TestSet Agilent8960-E5515CMY483607512025-02-222026-02-21 WirelessCommunication TestSet R&SCMW5001563242025-09-252026-09-24 PowerAmplifierDESAYWCS-DLNA50M8G50G1CSKJLNA231227A2025-09-292026-09-28 PowerMeterR&SNRP1005102025-09-252026-09-24 PowerSensorR&SNRP-Z111019192025-09-252026-09-24 PowerSensorKeysightU2021XAMY562800022025-09-252026-09-24 TemperaturehygrometerTOPRIETP502V4-P67000001241982025.10.092026.10.08 ThermographElitechRC-4S/NEF71765015372025.10.172026.10.16 ISSUEDBY ShenzhenSTSTestServicesCo.,Ltd. 2.<Justificationoftheextendedcalibration> ReferringtoKDB865664D01,ifdipolesareverifiedinreturnloss<-20dB,(within20%of priorcalibration),andinimpedance(within5ohmofpriorcalibration),theannualcalibration isnotnecessaryandthecalibrationintervalcanbeextended. Head2450MHz Dateof Measurement ReturnLoss (dB) Delta(%)ImpedanceDelta(ohm) 2023.07.04-26.03-46.3- 2024.07.01-26.421.5047.252.05 2025.07.03-26.913.3847.42.37 Thereturnlossis<-20dB,within20%ofpriorcalibration;theimpedanceiswithin5ohmof priorcalibration.Thereforetheverificationresultshouldsupportextendedcalibration. <DipoleVerificationData> Head2450MHz

RF Exposure Info

Ref : ACR.262.10..MVGB.A SHENZHEN STS TEST SERVICES CO., LTD. 1/F., BUILDING B, ZHUOKE SCIENCE PARK,No.190, CHONGQING ROAD,FUYONG STREET, BAO’ AN DISTRICT, SHENZHEN,GUANGDONG,CHINA MVG COMOSAR REFERENCE DIPOLE FREQUENCY: 2450 MHZ SERIAL NO.: SN 30/14 DIP2G450-335 SAR Reference Dipole Calibration Report Summary: Calibrated at MVG Z.I. de la pointe du diable Technopôle Brest Iroise - 295 avenue Alexis de Rochon 29280 PLOUZANE - FRANCE Calibration date: Page: 1/11 2 3 07/04/2023 Accreditations #2-6789 and #2-6814 Scope available on www.cofrac.fr This document presents the method and results from an accredited SAR reference dipole calibration performed in MVG using the COMOSAR test bench. All calibration results are traceable to national metrology institutions. SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262..2.MVGB.A Name Function Date Signature Prepared by : Jérôme LUC Technical Manager Checked by : Jérôme LUC Technical Manager Approved by : Yann Toutain Laboratory Director Customer Name Distribution : Shenzhen STS Test Services Co., Ltd. Issue Date Modifications A Initial release Name Jérôme LUC Page: 2/11 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Dipole vH This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. 0 1 7/0/202 3 4 7/0/202 3 4 7/0/202 3 4 7/0/202 3 4 3 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262. TABLE OF CONTENTS 1 Introduction ................................................................................................................ 4 2 Device Under Test ..................................................................................................... 4 3 Product Description ................................................................................................... 4 3.1 General Information _______________________________________________________ 4 4 Measurement Method ................................................................................................ 5 4.1 Return Loss Requirements __________________________________________________ 5 4.2 Mechanical Requirements ___________________________________________________ 5 5 Measurement Uncertainty .......................................................................................... 5 5.1 Return Loss ______________________________________________________________ 5 5.2 Dimension Measurement ___________________________________________________ 5 5.3 Validation Measurement ____________________________________________________ 5 6 Calibration Measurement Results .............................................................................. 6 6.1 Return Loss and Impedance In Head Liquid ____________________________________ 6 6.2 Return Loss and Impedance In Body Liquid ____________________________________ 6 6.3 Mechanical Dimensions ____________________________________________________ 6 7 Validation measurement ............................................................................................ 7 7.1 Head Liquid Measurement __________________________________________________ 7 7.2 SAR Measurement Result With Head Liquid ____________________________________ 8 7.3 Body Liquid Measurement __________________________________________________ 9 7.4 SAR Measurement Result With Body Liquid __________________________________ 10 8 List of Equipment .................................................................................................... 11 Page: 3/11 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. ..MVGB.A 0 1 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Dipole vH 2 3 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262. 1 INTRODUCTION This document contains a summary of the requirements set forth by the IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards for reference dipoles used for SAR measurement system validations and the measurements that were performed to verify that the product complies with the fore mentioned standards. 2 DEVICE UNDER TEST Device Under Test Device Type COMOSAR 2450 MHz REFERENCE DIPOLE Manufacturer MVG Model SID2450 Serial Number SN 30/14 DIP2G450-335 Product Condition (new / used) Used A yearly calibration interval is recommended. 3 PRODUCT DESCRIPTION 3.1 GENERAL INFORMATION MVG’s COMOSAR Validation Dipoles are built in accordance to the IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards. The product is designed for use with the COMOSAR test bench only. Figure 1 – MVG COMOSAR Validation Dipole Page: 4/11 This document shall not be reproduced, except in full or in part, without the written approval of MVG. The information contained herein is to be used only for the purpose for which it is submitted and is not to be released in whole or part without written approval of MVG. ..MVGB.A 0 1 Template_ACR.DDD.N.YY.MVGB.ISSUE_COMOSAR Dipole vH 2 3 SAR REFERENCE DIPOLE CALIBRATION REPORT Ref: ACR.262. 4 MEASUREMENT METHOD The IEEE 1528, OET 65 Bulletin C and CEI/IEC 62209 standards provide requirements for reference dipoles used for system validation measurements. The following measurements were performed to verify that the product complies with the fore mentioned standards. 4.1 RETURN LOSS REQUIREMENTS The dipole used for SAR system validation measurements and checks must have a return loss of -20 dB or better. The return loss measurement shall be performed against a liquid filled flat phantom, with the phantom constucted as outlined in the fore mentioned standards. 4.2 MECHANICAL REQUIREMENTS The IEEE Std. 1528 and CEI/IEC 62209 standards specify the mechanical components and dimensions of the validation dipoles, with the dime…

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RF Exposure Info

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. SAR Test Report Report No.: STS2603047H01 Issued for Anhui Huami Information Technology Co., Ltd. Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Product Name: Smart Watch Brand Name: AMAZFIT Model Name: A2441 Series Model(s): N/A FCC ID: 2AC8UA2441 Test Standard: ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 Max. Report SAR (10&1g) Next-to-mouth: 0.117 W/kg (1g) Wrist: 0.036 W/kg(10g) Page 2 of 35 Report No.: STS2603047H01 TEST REPORT CERTIFICATION Applicant’s name ................. : Anhui Huami Information Technology Co., Ltd. Address ................................. : Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Manufacturer's Name .......... : Anhui Huami Information Technology Co., Ltd. Address ................................. : Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Product description Product name ........................ : Smart Watch Brand name ......................... : AMAZFIT Model name ......................... : A2441 Series Model(s) : .................... N/A Standards ............................. : ANSI/IEEE Std. C95.1 FCC 47 CFR Part 2 (2.1093) IEEE Std. 1528-2013 The device was tested by Shenzhen STS Test Services Co., Ltd. in accordance with the measurement methods and procedures specified in KDB 865664 The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. Date of Test ........................................... : Date (s) of performance of tests ............. : 19 Mar. 2026 Date of Issue .......................................... : 20 Mar. 2026 Test Result.............................................. : Pass Testing Engineer : (Xin.Liu) Technical Manager : (Shifan. Long) Authorized Signatory : (Bovey Yang) Page 3 of 35 Report No.: STS2603047H01 Table of Contents 1. General Information 5 1.1 EUT Description 5 1.2 Test Environment 6 1.3 Test Factory 6 2. Test Standards and Limits 7 3. SAR Measurement System 8 3.1 Definition of Specific Absorption Rate (SAR) 8 3.2 SAR System 8 3.3 DASY5 E-field Probe System 10 3.4 Phantoms 11 3.5 Device Holder 11 3.6 Scanning Procedure 12 3.7 Data Storage and Evaluation 13 4. Tissue Simulating Liquids 15 4.1 Simulating Liquids Parameter Check 15 5. SAR System Validation 18 5.1 Validation System 18 5.2 Validation Result 19 6. SAR Evaluation Procedures 20 7.EUT Antenna Location Sketch 21 8. EUT Test Position 22 9. Uncertainty 23 9.1 Measurement Uncertainty 23 10. Conducted Power Measurement 26 10.1 Test Result 26 11. Liquid depth Photo 27 11.1 Liquid depth 27 12. SAR Result Summary 28 12.1 Next-to-mouth SAR 28 12.2 Wrist SAR 28 13. Equipment List 29 Appendix A. System Validation Plots 30 Appendix B. SAR Test Plots 31 Appendix C. Probe Calibration and Dipole Calibration Report 35 Page 4 of 35 Report No.: STS2603047H01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 19 Mar. 2026 STS2603047H01 ALL Initial Issue Page 5 of 35 Report No.: STS2603047H01 1. General Information Environmental evaluation measurements of specific absorption rate (SAR) distributions in emulated human head and body tissues exposed to radio frequency (RF) radiation from wireless portable devices for compliance with the rules and regulations of the U.S. Federal Communications Commission (FCC). 1.1 EUT Description Product Name Smart Watch Brand Name AMAZFIT Model Name A2441 Series Model N/A Model Difference N/A Sample number 260304001-2 Battery N/A Device Category Portable Product stage Production unit RF Exposure Environment General Population / Uncontrolled Hardware Version V0.0.3 Software Version 1.7.3.1 Frequency Range WLAN802.11b/g/n20/: 2412 MHz ~ 2462 MHz BT/BLE: 2402 MHz to 2480 MHz Max. Reported SAR(1&10g): (Limit:1.6&4.0W/kg) Test distance: Wrist:0mm Next-to- mouth:10mm Band Mode Next-to-mouth-1g (W/kg) Wrist-10g (W/kg) DTS 2.4G WLAN 0.068 0.035 DSS BT 0.117 0.036 Limit 1.6W/kg 4.0W/kg FCC Equipment Class Digital Transmission System (DTS) Part 15 Spread Spectrum Transmitter (DSS) Operating Mode: 2.4G WLAN : 802.11b(DSSS):CCK,DQPSK,DBPSK 802.11g(OFDM):BPSK,QPSK,16-QAM,64-QAM 802.11n(OFDM):BPSK,QPSK,16-QAM,64-QAM Antenna Specification: WLAN/BT:FPC Antenna Hotspot Mode Not Support DTM Mode Not Support Note: 1. The EUT battery must be fully charged and checked periodically during the test to ascertain uniform power Page 6 of 35 Report No.: STS2603047H01 1.2 Test Environment Ambient conditions in the SAR laboratory: Items Required Temperature (°C) 18-25 Humidity (%RH) 30-70 1.3 Test Factory ShenZhen STS Test Services Co.,Ltd. 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub- District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration No.: 625569 IC Registration No.: 12108A A2LA Certificate No.: 4338.01 Page 7 of 35 Report No.: STS2603047H01 2. Test Standards and Limits No. Identity Document Title 1 47 CFR Part 2 Frequency Allocations and Radio Treaty Matters; General Rules and Regulations 2 IEEE Std C95.1, 2019 IEEE Standard for Safety Levels with Respect to Human Exposure to Electric,Magnetic, and Electromagnetic Fields,0 Hz to 300 GHz. It specifies the maximum exposure limit of 1.6 W/kg as averaged over any 1 gram of tissue for portable devices being used within 20 cm of the user in the uncontrolled environment. 3 IEEE Std. 1528-2013 Recommended Practice for …

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Test Report

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Radio Test Report Report No.:STS2603047W01 Issued for Anhui Huami Information Technology Co., Ltd. Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Product Name: Smart Watch Brand Name: AMAZFIT Model Name: A2441 Series Model(s): N/A FCC ID: 2AC8UA2441 Test Standards: FCC Part15.247 Page 2 of 84 Report No.: STS2603047W01 TEST REPORT Applicant’s Name ................. : Anhui Huami Information Technology Co., Ltd. Address ................................. : Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Manufacturer's Name ........... : Anhui Huami Information Technology Co., Ltd. Address ................................. : Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Product Description Product Name ........................ : Smart Watch Brand Name ........................... : AMAZFIT Model Name .......................... : A2441 Series Model(s) .................... : N/A Standards ............................. : FCC Part 15.247 Test Procedure........................: ANSI C63.10-2020 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Date of Test ........................................... : Date of receipt of test item ...................... : 06 Mar. 2026 Date (s) of performance of tests ............. : 06 Mar. 2026~23 Mar. 2026 Date of Issue .......................................... : 23 Mar. 2026 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 84 Report No.: STS2603047W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 10 2.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 12 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 13 3. EMC EMISSION TEST 14 3.1 CONDUCTED EMISSION MEASUREMENT 14 3.2 RADIATED EMISSION MEASUREMENT 18 4. DUTY CYCLE 42 4.1 TEST STANDARD 42 4.2 TEST PROCEDURE 42 4.3 DEVIATION FROM STANDARD 42 4.4 TEST SETUP 42 4.6 TEST RESULTS 42 5. CONDUCTED SPURIOUS & BAND EDGE EMISSION 43 5.1 LIMIT 43 5.2 TEST PROCEDURE 43 5.3 DEVIATION FROM STANDARD 43 5.4 TEST SETUP 43 5.5 EUT OPERATION CONDITIONS 43 5.6 TEST RESULTS 43 6. POWER SPECTRAL DENSITY TEST 44 6.1 LIMIT 44 6.2 TEST PROCEDURE 44 6.3 DEVIATION FROM STANDARD 44 6.4 TEST SETUP 44 6.5 EUT OPERATION CONDITIONS 44 6.6 TEST RESULTS 44 Page 4 of 84 Report No.: STS2603047W01 Table of Contents Page 7. BANDWIDTH TEST 45 7.1 LIMIT 45 7.2 TEST PROCEDURE 45 7.3 DEVIATION FROM STANDARD 45 7.4 TEST SETUP 45 7.5 EUT OPERATION CONDITIONS 45 7.6 TEST RESULTS 45 8. PEAK OUTPUT POWER TEST 46 7.1 LIMIT 46 8.2 TEST PROCEDURE 46 8.3 DEVIATION FROM STANDARD 46 8.4 TEST SETUP 46 8.5 EUT OPERATION CONDITIONS 46 8.6 TEST RESULTS 46 9. ANTENNA REQUIREMENT 47 9.1 STANDARD REQUIREMENT 47 9.2 EUT ANTENNA 47 APPENDIX 1-TEST DATA 48 DUTY CYCLE 48 MAXIMUM PEAK CONDUCTED OUTPUT POWER 54 -6DB BANDWIDTH 55 MAXIMUM POWER SPECTRAL DENSITY LEVEL 61 BAND EDGE 67 CONDUCTED RF SPURIOUS EMISSION 74 APPENDIX 2-PHOTOS OF TEST SETUP 84 Page 5 of 84 Report No.: STS2603047W01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 23 Mar. 2026 STS2603047W01 ALL Initial Issue Page 6 of 84 Report No.: STS2603047W01 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247 (a)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density PASS -- 15.205 Restricted Band Edge Emission PASS -- Part 15.247(d)/ part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020. Page 7 of 84 Report No.: STS2603047W01 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.751dB 2 Unwanted Emissions, conducted ±2.888dB 3 All emissions, radiated 9K-30MHz ±2.48dB 4 All emissions, radiated 30M-1GHz ±2.52dB 5 All emissions, radiated 1G-18GHz ±3.48dB 6 All emissions, radiated>18GHz ±4.18dB 7 Conducted Emission (9KHz-150KHz) ±2.48dB 8 Conducted Emission (150KHz-30MHz) ±2.52dB 9 Occupied Channel Bandwidth ±3.6% 10 Power Spectral Density, conducted ±1.2…

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Test Report

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Contact Information

Applicant

Lloyd Wong(Senior Certification Manager)

[email protected]Fax: +86-551-5837200-1133

Technical Contact

Zepp North Armerica ine.Brian Kim

[email protected]

18400 Von Karman Avenue, Suite 130, Irvine.CA 9261 · California, California, 80202 · United States

Test Firm

SHENZHEN STS TEST SERVICES CO.,LTD.Bovey Yang

[email protected]

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	5.65 mW
2	15C	2.41 GHz - 2.46 GHz	64.56 mW

Confidentiality

Long Term

Grant Notes

Power listed is the maximum conducted output power. This device contains 20 MHz signal bandwidth.

Documents & Files

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Attestation Statements

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Cover Letter(s)

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ID Label/Location Info

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RF Exposure Info

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Test Report

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

Cover Letter(s)

ID Label/Location Info

Label SmartWatch Modelname: A2441 FCCID:2AC8UA2441 IC:21806-A2441 HVIN:A2441

RF Exposure Info

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RF Exposure Info

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Test Report

The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Radio Test Report Report No.:STS2603047W01 Issued for Anhui Huami Information Technology Co., Ltd. Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Product Name: Smart Watch Brand Name: AMAZFIT Model Name: A2441 Series Model(s): N/A FCC ID: 2AC8UA2441 Test Standards: FCC Part15.247 Page 2 of 84 Report No.: STS2603047W01 TEST REPORT Applicant’s Name ................. : Anhui Huami Information Technology Co., Ltd. Address ................................. : Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Manufacturer's Name ........... : Anhui Huami Information Technology Co., Ltd. Address ................................. : Room 401-1, Building H8, Hefei Innovation Industrial Park Phase II, No.2800, Chuangxin Road, High-tech Zone, Hefei City, Anhui Pilot Free Trade Zone, China Product Description Product Name ........................ : Smart Watch Brand Name ........................... : AMAZFIT Model Name .......................... : A2441 Series Model(s) .................... : N/A Standards ............................. : FCC Part 15.247 Test Procedure........................: ANSI C63.10-2020 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the Shenzhen STS Test Services Co., Ltd. Date of Test ........................................... : Date of receipt of test item ...................... : 06 Mar. 2026 Date (s) of performance of tests ............. : 06 Mar. 2026~23 Mar. 2026 Date of Issue .......................................... : 23 Mar. 2026 Test Result .............................................. : Pass Testing Engineer : (Aaron Bu) Technical Manager : (Skylar Li) Authorized Signatory : (Bovey Yang) Page 3 of 84 Report No.: STS2603047W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 6 1.1 TEST FACTORY 7 1.2 MEASUREMENT UNCERTAINTY 7 2. GENERAL INFORMATION 8 2.1 GENERAL DESCRIPTION OF THE EUT 8 2.2 DESCRIPTION OF THE TEST MODES 10 2.3 TEST SOFTWARE AND POWER LEVEL 10 2.4 BLOCK DIAGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 11 2.5 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 12 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 13 3. EMC EMISSION TEST 14 3.1 CONDUCTED EMISSION MEASUREMENT 14 3.2 RADIATED EMISSION MEASUREMENT 18 4. DUTY CYCLE 42 4.1 TEST STANDARD 42 4.2 TEST PROCEDURE 42 4.3 DEVIATION FROM STANDARD 42 4.4 TEST SETUP 42 4.6 TEST RESULTS 42 5. CONDUCTED SPURIOUS & BAND EDGE EMISSION 43 5.1 LIMIT 43 5.2 TEST PROCEDURE 43 5.3 DEVIATION FROM STANDARD 43 5.4 TEST SETUP 43 5.5 EUT OPERATION CONDITIONS 43 5.6 TEST RESULTS 43 6. POWER SPECTRAL DENSITY TEST 44 6.1 LIMIT 44 6.2 TEST PROCEDURE 44 6.3 DEVIATION FROM STANDARD 44 6.4 TEST SETUP 44 6.5 EUT OPERATION CONDITIONS 44 6.6 TEST RESULTS 44 Page 4 of 84 Report No.: STS2603047W01 Table of Contents Page 7. BANDWIDTH TEST 45 7.1 LIMIT 45 7.2 TEST PROCEDURE 45 7.3 DEVIATION FROM STANDARD 45 7.4 TEST SETUP 45 7.5 EUT OPERATION CONDITIONS 45 7.6 TEST RESULTS 45 8. PEAK OUTPUT POWER TEST 46 7.1 LIMIT 46 8.2 TEST PROCEDURE 46 8.3 DEVIATION FROM STANDARD 46 8.4 TEST SETUP 46 8.5 EUT OPERATION CONDITIONS 46 8.6 TEST RESULTS 46 9. ANTENNA REQUIREMENT 47 9.1 STANDARD REQUIREMENT 47 9.2 EUT ANTENNA 47 APPENDIX 1-TEST DATA 48 DUTY CYCLE 48 MAXIMUM PEAK CONDUCTED OUTPUT POWER 54 -6DB BANDWIDTH 55 MAXIMUM POWER SPECTRAL DENSITY LEVEL 61 BAND EDGE 67 CONDUCTED RF SPURIOUS EMISSION 74 APPENDIX 2-PHOTOS OF TEST SETUP 84 Page 5 of 84 Report No.: STS2603047W01 Revision History Rev. Issue Date Report No. Effect Page Contents 00 23 Mar. 2026 STS2603047W01 ALL Initial Issue Page 6 of 84 Report No.: STS2603047W01 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: KDB 558074 D01 15.247 Meas Guidance v05r02. FCC Part 15.247,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.247 (a)(2) 6dB Bandwidth PASS -- 15.247 (b)(3) Output Power PASS -- 15.209 Radiated Spurious Emission PASS -- 15.247 (d) Conducted Spurious & Band Edge Emission PASS -- 15.247 (e) Power Spectral Density PASS -- 15.205 Restricted Band Edge Emission PASS -- Part 15.247(d)/ part 15.209(a) Band Edge Emission PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2020. Page 7 of 84 Report No.: STS2603047W01 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : 101, Building B, Zhuoke Science Park, No.190 Chongqing Road, ZhanChengShequ, Fuhai Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.751dB 2 Unwanted Emissions, conducted ±2.888dB 3 All emissions, radiated 9K-30MHz ±2.48dB 4 All emissions, radiated 30M-1GHz ±2.52dB 5 All emissions, radiated 1G-18GHz ±3.48dB 6 All emissions, radiated>18GHz ±4.18dB 7 Conducted Emission (9KHz-150KHz) ±2.48dB 8 Conducted Emission (150KHz-30MHz) ±2.52dB 9 Occupied Channel Bandwidth ±3.6% 10 Power Spectral Density, conducted ±1.2…

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Test Report

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Contact Information

Applicant

Lloyd Wong(Senior Certification Manager)

[email protected]Fax: +86-551-5837200-1133

Technical Contact

Zepp North Armerica ine.Brian Kim

[email protected]

18400 Von Karman Avenue, Suite 130, Irvine.CA 9261 · California, California, 80202 · United States

Test Firm

SHENZHEN STS TEST SERVICES CO.,LTD.Bovey Yang

[email protected]

Rule Parts

Frequency Range

Power Output

15C

2.40 GHz - 2.48 GHz

5.65 mW

15C

2.41 GHz - 2.46 GHz

64.56 mW