2BCES-CD8V544F2Cozyla Calendar+ 2

* the applicantmust designatea contactlocatedin the UnitedStatesfor purposesof actingas the applicant’s agent for serviceof process,regardlessof whetherthe applicantis a domesticor foreign entity.An applicantlocatedin the UnitedStatesmay designateitself as the agent for serviceof process. SC5101765 U.S. AgentDesignationfor Serviceof Process- CertificationAttestationLetter 11/18/2025 TO : FederalCommunicationsCommission 7435 OaklandMills Road Columbia,MD 21046 ATTN.:ReviewingEngineer FCC ID: 2BCES-CD8V544F2 FRN of applicant:0034099481 Per section2.911(d)(7)of the FCC rules, [BeijingCozylaTechnologyltd. ] (“the applicant”) certifiesthat the equipmentfor which authorizationis soughtis designatedto thefollowingU.S. agent*forserviceof process: CompanyName:GlobalProductServicesand ConsultationLLC FCC RegistrationNumber(FRN):0033406703 PhysicalU.S. CompanyAddress:328 W Palm Ave., Monrovia,CA 91016,UnitedStates ContactPerson:MichaelChan Tel: +1 626 366 4358 AgentEmail Address:[email protected] The abovecontactpersonacceptsthe obligationfor serviceof process. The applicantacceptsto maintainan agent for no less than one year after the granteehas terminatedall marketingand importationor the conclusionof any Commission-related proceedinginvolvingthe equipment. ApplicantSigned:AgentSigned(if differentfromApplicant): Signed: Printedname:DJ Dai Title: PM CompanyName:BeijingCozylaTechnologyltd. Address:Room2022,2nd Floor,No. 6 ChuangyeRoad,ShangdiInformationIndustry Base, HaidianDistrict,BeijingPRC 100085 Signed: Printed name: Michael Chan Title: Technical Director Company Name: Global Product Services and Consultation LLC Date: 11/20/2025 Date: 11/18/2025

Beijing Cozyla Technology ltd. 2025-11-18 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BCES-CD8V544F2) [Beijing Cozyla Technology ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely, DJ Dai PM Beijing Cozyla Technology ltd. Room 2022, 2nd Floor, No. 6 Chuangye Road, Shangdi Information Industry Base, Haidian District, Beijing PRC 100085 Beijing Cozyla Technology ltd. 2025-11-18 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: 2BCES-CD8V544F2) [Beijing Cozyla Technology ltd.] (“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, Beijing Cozyla Technology ltd. Room 2022, 2nd Floor, No. 6 Chuangye Road, Shangdi Information Industry Base, Haidian District, Beijing PRC 100085

Declarationonmodeldifference Wetheundersignedherebyconfirmthatthesemodelsareidentical,andallmodelshavethe sameRFmoduleandantenna,PCBlayout,schematicsandcomponent.Onlythemodelsnameand appearancedecorationaredifferent. Productname FCCID Modelno. CozylaCalendar+22BCES-CD8V544F2CozylaCD-8V544F2,CozylaCD-8V544FX(X=0-9) Sincerely, DJDai PM BeijingCozylaTechnologyltd. Room2022,2ndFloor,No.6ChuangyeRoad,ShangdiInformationIndustryBase,HaidianDistrict, BeijingPRC100085

BeijingCozylaTechnologyltd. 2025-11-18 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:LETTEROFAGENTAUTHORIZATION ToWhomItMayConcern: We,theundersigned,herebyauthorizeGuangdongGlobalTestingTechnologyCo.,Ltd.toact onourbehalfinallmattersrelatingtoapplicationforequipmentauthorization,includingthe signingofalldocumentsrelatingtothesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothe denialofbenefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseAct of1988,21U.S.C.853(a). Thisagreementexpiresoneyearfromthecurrentdate. Sincerely, DJDai PM BeijingCozylaTechnologyltd. Room2022,2ndFloor,No.6ChuangyeRoad,ShangdiInformationIndustryBase,HaidianDistrict, BeijingPRC100085

BeijingCozylaTechnologyltd. 2025-11-18 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:CONFIDENTIALITYREQUESTFOR(EUTName:CozylaCalendar+2/Model: CozylaCD-8V544F2,CozylaCD-8V544FX(X=0-9)/FCCID:2BCES-CD8V544F2) ToWhomItMayConcern: Thisletterservesasanofficialrequestforconfidentialityundersections0.457and0.459 ofCFR47.Wehaverequestedthatthe(BlockDiagram,OperationalDescription,Schematics,FCCSW SECURITYDESCRIPTION)requiredtobesubmittedwiththisapplicationbepermanently withheldfrompublicreview. Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic.The publicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovideunjustifiedbenefitstoitscompetitors. Pleasecontactmeifthereisanyinformationyoumayneed. Sincerely, DJDai PM BeijingCozylaTechnologyltd. Room2022,2ndFloor,No.6ChuangyeRoad,ShangdiInformationIndustry Base,HaidianDistrict,BeijingPRC100085

External Photographs View of EUT-1 View of EUT-2 Page 2 of 6 View of EUT-3 View of EUT-4 Page 3 of 6 View of EUT-5 View of EUT-6 Page 4 of 6 View of EUT-7 View of EUT-8 Page 5 of 6 View of EUT-9 View of EUT-10 Page 6 of 6 View of EUT-11

Internal Photographs Internal View of EUT-1 Internal View of EUT-2 Antenna Page 2 of 8 Internal View of EUT-3 Internal View of EUT-4 Page 3 of 8 Internal View of EUT-5 Internal View of EUT-6 Page 4 of 8 Internal View of EUT-7 Internal View of EUT-8 Page 5 of 8 Internal View of EUT-9 Internal View of EUT-10 Page 6 of 8 Internal View of EUT-11 Internal View of EUT-12 Page 7 of 8 Internal View of EUT-13 Internal View of EUT-14 Page 8 of 8 Internal View of EUT-15 Internal View of EUT-16

RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in ß1.1307(b) FCC ID: 2BCES-CD8V544F2 EUT Specification EUT Cozyla Calendar+ 2 Model Cozyla CD-8V544F2 Series Model Cozyla CD-8V544FX (X=0-9) Model Difference Note: The only difference between the models is in the appearance decoration, which does not affect the electrical performance parameters. Input Rating 19.0V ⎓ 3.42A Frequency band (Operating) BT: 2.402GHz ~ 2.480GHz WLAN: 2.412GHz ~ 2.462GHz WLAN: 5.18GHz ~ 5.24GHz WLAN: 5.745GHz ~ 5825GHz Device category Portable (<20cm separation) Mobile (>20cm separation) Exposure classification Occupational/Controlled exposure (S = 5mW/cm2) General Population/Uncontrolled exposure (S=1mW/cm2) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power（peak power ） 5GHz WIFI U-NII-1: IEEE 802.11a: 12.15 dBm IEEE 802.11n-HT20: 11.21 dBm IEEE 802.11n-HT40: 10.80 dBm IEEE 802.11ac-VHT20: 11.47 dBm IEEE 802.11ac-VHT40: 10.75 dBm IEEE 802.11ac-VHT80: 8.86 dBm U-NII-3: IEEE 802.11a: 12.95 dBm IEEE 802.11n-HT20: 12.45 dBm IEEE 802.11n-HT40: 10.05 dBm 2 / 5 IEEE 802.11ac-VHT20: 12.07 dBm IEEE 802.11ac-VHT40: 10.01 dBm IEEE 802.11ac-VHT80: 8.12 dBm 2.4GHz WIFI: IEEE 802.11b: 16.13 dBm IEEE 802.11g: 15.04 dBm IEEE 802.11n-HT20: 15.19 dBm IEEE 802.11n-HT40: 12.84 dBm BT: 5.71 dBm BLE: 0.12 dBm Antenna gain (Max) BT: 5.18 dBi 2.4GHz WIFI: 5.18 dBi 5.1G WIFI: 1.87 dBi 5.8G WIFI: 2.00 dBi Evaluation applied MPE Evaluation SAR Evaluation 3 / 5 Limits for Maximum Permissible Exposure(MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 Friis transmission formula: Pd=(Pout*G)\(4*pi*R2) Where Pd= Power density in mW/cm 2 , Pout=output power to antenna in Mw G= gain of antenna in linear scale, Pi=3.1416 R= distance between observation point and center of the radiator in cm=20cm Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. For multiple RF sources: Multiple RF sources are exempt if: in the case of fixed RF sources operating in the same time-averaging period, or of multiple mobile or portable RF sources within a device operating in the same time averaging period, if the sum of the fractional contributions to the applicable thresholds is less than or equal to 1 as indicated in the following equation Evaluated k : the maximum reported SAR or MPE of fixed, mobile, or portable RF source k either in the device or at the transmitter site from an existing evaluation at the location of exposure. Exposure Limit k : either the general population/uncontrolled maximum permissible exposure (MPE) or specific Absorption rate (SAR) limit for each fixed, mobile, or portable RF source k. 4 / 5 Measurement Result Operation Mode Channel Frequency (MHz) Max Measured Power (dBm) Tune up tolerance (dBm) Max tune up conducted power (dBm) Output Peak power (mW) Ant. Gain (dBi) Ant. Gain (numeric) Power density at 20cm (mW/ cm2) Power density Limits (mW/ cm2) BLE (1Mbps) 2480 0.12 0±1 1 1.259 5.18 3.296 0.000826 1 BR+EDR (3DH5) 2480 5.71 6±1 7 5.012 5.18 3.296 0.003286 1 2.4GHz WIFI (802.11b) 2412 16.13 16±1 17 50.119 5.18 3.296 0.032864 1 5180 MHz to 5240MHz (802.11a) 5180 12.15 12±1 13 19.953 1.87 1.538 0.006105 1 5745 MHz to 5825MHz (802.11a) 5745 12.95 13±1 14 25.119 2.00 1.585 0.007920 1 Maximum Simultaneous transmission MPE Ratio for Bluetooth & 2.4G WIFI & 5.8G WIFI Maximum MPE ratio (Bluetooth) Maximum MPE ratio (2.4G WIFI) Maximum MPE ratio (5.8G WIFI) ∑ MPE ratios Limit Results 0.003286 0.032864 0.007920 0.044070 1.000 Pass Conclusion: No SAR is required. 5 / 5 Signature: Shawn Wen Date: 2025-10-12

目录 CONTENT 序号 SERIAL NUMBER 项目 ITEM 页码 PAGE 1 封面 COVER 1 2 修订履历 REVISION of RESUME 2 3 目录 CATALOGUE 3 4 产品实物图 PRODUCT DRAWING 4 5 工程图（重点） ENGINEERING DRAWINGS(KEY POINTS) 5 6 天线规格说明书 ANTENNA SPECIFICATION 7 7 部品端子说明书 PART TERMINAL INSTRUCTIONS 9 8 端子的测试报告 TERMINAL TEST REPORT 10 9 出货检验报告 OUTGOING INSPECTION REPORT 23 10 包装说明 PACKING DESCRIPTION 24 11 有害物质检测报告清单 HAZARDOUS SUBSTANCES TEST REPORT LIST 25 KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission 产品实物图 PRODUCT DRAWING (备注：此页请附上物料的实物图片(必须是该料号实物图片)，包括正视图、侧视图)Remarks: Please attach the actual picture of the material (must be the actual picture of the material number) on this page, including front view and side view KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission 工程图 ENGINEERING DRAWING 要求Requires： 1.工程尺寸说明 Project size description FPC 49.88*19.25mm、FR1.13Cable 400mm 、IPEX4、EVA H13mm 2.材质 Material FPC、CABLE、IPEX、EVA 3.工艺注意事项 Process Notes 焊线处不可出现漏焊，虚焊； FPC表面不可有锡渣。No leakage welding at welding line; there shall be no tin slag on FPC surface. 4.配件清单 Accessories list FPC*1PCS、CABL 1PCS、IPEX4 1PCS、EVA 1PCS 5.环保等级：请在下面表格对应的符合标准下打钩√，(KTC默认要求符合RoHS/REACH，HF及TSCA未特 殊要求项) Environmental protection level: Please tick √ under the corresponding compliance standards in the 环保标准 RoHSREACHTSCAHFVOCOther 是否符合 √√ 6.单位净重Unit net weight： (重点标识出来) 2.5g 8.装箱数量Qty 待定 9.工作温度范围operating temperature range(至少满足-10°C~+50°C) 保存温度范围Storage temperature range(至少满足-30°C~+60°C) 工作温度范围 operating temperature range -20~60 °C 保存温度范围Storage temperature range -30~60°C KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission 天线规格说明书 ANTENNA PASSIVE/ACTIVE PERFORMANCE 要求 Requirement： 1.无源性能：电压驻波比、回波损耗、天线效率、增益、1D方向图、3D方向图 Passive performance: VSWR,Return Loss,Antenna Efficency,Gain,1D Radiation Pattern and 3D Radiation Pattern KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission Kangguan viewTech Center 技 术 规 格 书 SPECIFICATION 端子说明书 Terminal Manual 工程尺寸图 Engineering dimension drawing： 技术要求 Technical requirements： 1.材质说明（铜材型号 厚度）Material description (copper model thickness)：C5210 T=0.20±0.005mm 2.表面处理（电镀材质）Surface treatment (electroplating material)：镀镍，镀金 Nickel plating, nickel plated with gold; 3.工作温度 Operating temparature：-40°C~90°C 4.端子拔出力（测试前/测试后）Un-mating force (initial/after test)：综合拔去力初次：9.4N，30次后：6.3N 5.压接强度 Crimp strength： 6.额定电压 Rating voltage：AC 60V rms 7.额定频率 Rating frequency：DC~9GHz 8.接触电阻（测试前/测试后）（内导体/外导体） Contact resistance(initial/after test)(main contact/ground contact)：中心 9.绝缘电阻 Insulation resistance：试验前：10，000MΩ Min；试验后：10，000MΩ Min 10.介质耐压 Dielectric withstand voltage： 11.耐久性 Durability：中心导体试验前：<5.3mΩ、试验后：<5.7mΩ；外部导体试验前：<5.9mΩ试验后：<6.45mΩ 12.驻波比（接端子SMA适配头测试）VSWR(Mated with SMA adapter) ：0.1~3GHz 1.3 以下，3-6GHz 1.5 以下,6-9GHz 1.9 以下 KTC机密文件 未经书面许可不得扩散 KTC confidential do not spread without the written permission 测试报告Test report 要求Requirement： 1. 接触电阻 Contact resistance： 内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆。外 导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. 2. 绝缘电阻 Insulation resistance：大于1000兆欧姆 1000MΩ/KM -1 MIN. 3. 耐受电压 D.W. Voltage： 200伏特交流不发生击穿起火花，绝缘无异常 AC200V without creeping discharge, flashover, no insulation breakdown occur. 4. 电压驻波比 VSWR： 端子VSWR≤[email protected]~3GHz、VSWR≤1.5@3~6GHz、VSWR≤1.6@6~9GHz Plug: [email protected]~3GHz, 1.5MAX.@3~6GHz, 1.6MAX.@6~9GHz. 5. 插拔力测试 Unmating force：初始/30次循环 插拔力≥5牛/3牛 Initial/30 cycles 5N MIN./3N MIN. 6. 端子线端压接强度 Crimp strength： 大于等于15牛 15MIN. 7. 耐久度测试 Durability：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆。外导体接触 电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. 8. 机械振动测试 Vibration：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆。外导体接 触电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. 9. 机械冲击测试 Shock：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆。外导体接触电 阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. 10. 热冲击测试 Thermal Shock：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆。外导 体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 绝缘电阻：初始/测试后≥10000兆欧姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. Insulation resistance: Initial/after testing resistance 10000MΩ MIN. 11. 湿度测试 Humidity(Steady state)：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆 。外导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 绝缘电阻：初始/测试后≥10000兆欧 姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. Insulation resistance: Initial/after testing resistance 10000MΩ MIN. 12. 盐雾测试 Salt water spray：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫欧姆。外导 体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 Contact resistance of inner contact： Initial 20m Ω MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. 13. 温度老化测试 High temperature life：内导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤20毫 欧姆。外导体接触电阻：初始≤20毫欧姆，测试后电阻变化量≤100毫欧姆 Contact resistance of inner contact： Initial 20mΩ MAX. , after test ∆R 20mΩ MAX. Contact resistance of ground contact: Initial 20mΩ MAX.,after test ∆R 100mΩ MAX. 14. 焊点质量 Solder ability： 标准：超过95%的浸锡区域充分浸润，锡洞无聚集且占比不超过锡面的5% Spec.:More than 95% of the dipped surface becomes wet and the pinhole that should not gather at one point is less than 5%. 15. 焊温承载力 Soldering heat resistance： 433~473开尔文1~2分钟，533开尔文10秒，无异常 1~2minutes@433~473K, 10 secon…

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TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Cozyla Calendar+ 2 MODEL NUMBER: Cozyla CD-8V544F2, Cozyla CD-8V544FX (X=0-9) REPORT NUMBER: E04A25080157F00102 ISSUE DATE: October 12, 2025 FCC ID: 2BCES-CD8V544F2 Prepared for Beijing Cozyla Technology ltd. Room 2022, 2nd Floor, No. 6 Chuangye Road, Shangdi Information Industry Base, Haidian District, Beijing PRC 100085 Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A25080157F00102 Page 2 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 October 12, 2025 Initial Issue REPORT NO.: E04A25080157F00102 Page 3 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement ANSI C63.10-2020 FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020 FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C(DTS)> when <Accuracy Method> decision rule is applied. REPORT NO.: E04A25080157F00102 Page 4 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 5 2. TEST METHODOLOGY ......................................................................................................... 6 3. FACILITIES AND ACCREDITATION ..................................................................................... 6 4. CALIBRATION AND UNCERTAINTY ................................................................................... 7 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 7 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 7 5. EQUIPMENT UNDER TEST .................................................................................................. 8 5.1. DESCRIPTION OF EUT ........................................................................................... 8 5.2. CHANNEL LIST ........................................................................................................ 8 5.3. MAXIMUM CONDUCTED OUTPUT POWER ........................................................... 9 5.4. TEST CHANNEL CONFIGURATION ........................................................................ 9 5.5. THE WORSE CASE POWER SETTING PARAMETER ............................................ 9 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. EUT ACCESSORY ................................................................................................. 10 5.8. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 10 5.9. SETUP DIAGRAM .................................................................................................. 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 14 7.1. Conducted Output Power ........................................................................................ 14 7.2. 6dB Bandwidth and 99% Occupied Bandwidth ....................................................... 15 7.3. Power Spectral Density ........................................................................................... 17 7.4. Conducted Band edge and spurious emission ........................................................ 18 7.5. Duty Cycle .............................................................................................................. 20 8. RADIATED TEST RESULTS ............................................................................................... 21 8.1. Radiated Band edge and Spurious Emission .......................................................... 27 9. ANTENNA REQUIREMENT ................................................................................................ 43 10. AC POWER LINE CONDUCTED EMISSION ......................................................... 44 11. TEST DATA - Appendix A ..................................................................................... 47 REPORT NO.: E04A25080157F00102 Page 5 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Beijing Cozyla Technology ltd. Address: Room 2022, 2nd Floor, No. 6 Chuangye Road, Shangdi Information Industry Base, Haidian District, Beijing PRC 100085 Manufacturer Information Company Name: Beijing Cozyla Technology ltd. Address: Room 2022, 2nd Floor, No. 6 Chuangye Road, Shangdi Information Industry Base, Haidian District, Beijing PRC 100085 E…

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REPORT NO.: E04A25080157F00102 Page 61 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. OBW NVNT g 2437MHz Ant1 OBW NVNT g 2462MHz Ant1 REPORT NO.: E04A25080157F00102 Page 62 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. OBW NVNT n20 2412MHz Ant1 OBW NVNT n20 2437MHz Ant1 REPORT NO.: E04A25080157F00102 Page 63 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. OBW NVNT n20 2462MHz Ant1 OBW NVNT n40 2422MHz Ant1 REPORT NO.: E04A25080157F00102 Page 64 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. OBW NVNT n40 2437MHz Ant1 OBW NVNT n40 2452MHz Ant1 REPORT NO.: E04A25080157F00102 Page 65 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Maximum Power Spectral Density Level Condition Mode Frequency (MHz) Antenna Conducted PSD (dBm/3kHz) Limit (dBm/3kHz) Verdict NVNT b 2412 Ant1 -10.09 8 Pass NVNT b 2437 Ant1 -8.39 8 Pass NVNT b 2462 Ant1 -11.66 8 Pass NVNT g 2412 Ant1 -18.43 8 Pass NVNT g 2437 Ant1 -17.67 8 Pass NVNT g 2462 Ant1 -20.12 8 Pass NVNT n20 2412 Ant1 -18.06 8 Pass NVNT n20 2437 Ant1 -19.71 8 Pass NVNT n20 2462 Ant1 -20.25 8 Pass NVNT n40 2422 Ant1 -24.31 8 Pass NVNT n40 2437 Ant1 -24.16 8 Pass NVNT n40 2452 Ant1 -25.77 8 Pass REPORT NO.: E04A25080157F00102 Page 66 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Test Graphs PSD NVNT b 2412MHz Ant1 PSD NVNT b 2437MHz Ant1 REPORT NO.: E04A25080157F00102 Page 67 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. PSD NVNT b 2462MHz Ant1 PSD NVNT g 2412MHz Ant1 REPORT NO.: E04A25080157F00102 Page 68 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. PSD NVNT g 2437MHz Ant1 PSD NVNT g 2462MHz Ant1 REPORT NO.: E04A25080157F00102 Page 69 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. PSD NVNT n20 2412MHz Ant1 PSD NVNT n20 2437MHz Ant1 REPORT NO.: E04A25080157F00102 Page 70 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. PSD NVNT n20 2462MHz Ant1 PSD NVNT n40 2422MHz Ant1 REPORT NO.: E04A25080157F00102 Page 71 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. PSD NVNT n40 2437MHz Ant1 PSD NVNT n40 2452MHz Ant1 REPORT NO.: E04A25080157F00102 Page 72 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -41.32 -20 Pass NVNT b 2462 Ant1 -50.46 -20 Pass NVNT g 2412 Ant1 -33.99 -20 Pass NVNT g 2462 Ant1 -46.69 -20 Pass NVNT n20 2412 Ant1 -32.4 -20 Pass NVNT n20 2462 Ant1 -46.05 -20 Pass NVNT n40 2422 Ant1 -30.98 -20 Pass NVNT n40 2452 Ant1 -36.48 -20 Pass REPORT NO.: E04A25080157F00102 Page 73 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Test Graphs Band Edge NVNT b 2412MHz Ant1 Ref Band Edge NVNT b 2412MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 74 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT b 2462MHz Ant1 Ref Band Edge NVNT b 2462MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 75 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT g 2412MHz Ant1 Ref Band Edge NVNT g 2412MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 76 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT g 2462MHz Ant1 Ref Band Edge NVNT g 2462MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 77 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT n20 2412MHz Ant1 Ref Band Edge NVNT n20 2412MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 78 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT n20 2462MHz Ant1 Ref Band Edge NVNT n20 2462MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 79 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT n40 2422MHz Ant1 Ref Band Edge NVNT n40 2422MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 80 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Band Edge NVNT n40 2452MHz Ant1 Ref Band Edge NVNT n40 2452MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 81 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Conducted RF Spurious Emission Condition Mode Frequency (MHz) Antenna Max Value (dBc) Limit (dBc) Verdict NVNT b 2412 Ant1 -46.7 -20 Pass NVNT b 2437 Ant1 -47.07 -20 Pass NVNT b 2462 Ant1 -46.52 -20 Pass NVNT g 2412 Ant1 -45.11 -20 Pass NVNT g 2437 Ant1 -42.76 -20 Pass NVNT g 2462 Ant1 -43.09 -20 Pass NVNT n20 2412 Ant1 -43.61 -20 Pass NVNT n20 2437 Ant1 -43.36 -20 Pass NVNT n20 2462 Ant1 -42.15 -20 Pass NVNT n40 2422 Ant1 -41.66 -20 Pass NVNT n40 2437 Ant1 -33.57 -20 Pass NVNT n40 2452 Ant1 -40.14 -20 Pass REPORT NO.: E04A25080157F00102 Page 82 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Test Graphs Tx. Spurious NVNT b 2412MHz Ant1 Ref Tx. Spurious NVNT b 2412MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 83 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT b 2437MHz Ant1 Ref Tx. Spurious NVNT b 2437MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 84 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT b 2462MHz Ant1 Ref Tx. Spurious NVNT b 2462MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 85 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT g 2412MHz Ant1 Ref Tx. Spurious NVNT g 2412MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 86 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT g 2437MHz Ant1 Ref Tx. Spurious NVNT g 2437MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 87 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT g 2462MHz Ant1 Ref Tx. Spurious NVNT g 2462MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 88 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT n20 2412MHz Ant1 Ref Tx. Spurious NVNT n20 2412MHz Ant1 Emission REPORT NO.: E04A25080157F00102 Page 89 of 93 TRF No.: 04-E001-0B Global Testing , Great Quality. Tx. Spurious NVNT n20 2437MHz Ant1 Ref Tx. Spurious NVNT n20 2437MHz Ant1 Emission REPORT NO.: E04A25080157F0010…

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TRF No.: 04-E001-0B TRF Originator: GTG TRF Date: 2023-12-13 Web: www.gtggroup.com E-mail: [email protected] Tel.: 86-400 755 8988 CFR 47 FCC PART 15 SUBPART C(DTS) TEST REPORT For Cozyla Calendar+ 2 MODEL NUMBER: Cozyla CD-8V544F2, Cozyla CD-8V544FX (X=0-9) REPORT NUMBER: E04A25080157F00104 ISSUE DATE: October 12, 2025 FCC ID: 2BCES-CD8V544F2 Prepared for Beijing Cozyla Technology ltd. Room 2022, 2nd Floor, No. 6 Chuangye Road, Shangdi Information Industry Base, Haidian District, Beijing PRC 100085 Prepared by Guangdong Global Testing Technology Co., Ltd. Room 101-105, 203-210, Building 1, No.2, Keji 8 Road, Songshan Lake Park, Dongguan city, Guangdong, People’s Republic of China, 523808 This report is based on a single evaluation of the submitted sample(s) of the above mentioned product, it does not imply an assessment of the production of the products. This report shall not be reproduced, except in full, without the written approval of Guangdong Global Testing Technology Co., Ltd. REPORT NO.: E04A25080157F00104 Page 2 of 72 TRF No.: 04-E001-0B Global Testing , Great Quality. Revision History Rev. Issue Date Revisions Revised By V0 October 12, 2025 Initial Issue REPORT NO.: E04A25080157F00104 Page 3 of 72 TRF No.: 04-E001-0B Global Testing , Great Quality. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement ANSI C63.10-2020 FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020 FCC Part 1…

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