2BK9Y-B080303001BKChassis Light

GuangZhouYueYi Technology Co., Limited Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 9/23/2024 the FCC wit U.S. Agent Designation [GuangZhouYueYi Technology Co., Limited] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: [2BK9Y-B080303001BK]): Name and company of U.S. agent: Bouge Tech Inc Physical U.S. address of agent: 457 E MCGLINCY LN, CAMPBELL, CA 95008 FRN of U.S. agent: 0033768409 Email address of U.S. agent: [email protected] [Bouge Tech Inc] acknowledges their obligation to accept service of process on behalf of [GuangZhouYueYi Technology Co., Limited]. [GuangZhouYueYi Technology Co., Limited] with the FRN [0035982867] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). 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. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify hin 30 days via the granting TCB. Sincerely, Signature [Name] Clarice Xie [Title] Manager [Company] GuangZhouYueYi Technology Co., Limited Signature [Name of U.S. agent] Jason Zheng [Title of U.S. agent] GM [Company of U.S. agent] Bouge Tech Inc 48_[mo del] US_Agent_2.911(d)(7) - U, V04

Covered Equipment Attestation Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2BK9Y-B080303001BK B0803-03001BK, B0803-03101BK, B0803-03201BK We, Applicant Company Name: GuangZhouYueYi Technology Co., Limited Address: Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Phone: +86-13423772540 certify 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. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. We certify 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. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-09-23 Signature Date Printed Name of Signee / Title: Clarice Xie / Manager Company: GuangZhouYueYi Technology Co., Limited Address: Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Phone: +86-13423772540 Fax: N/A Email: [email protected]

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern 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 request confidentiality for the documentation of the following products: FCC ID Model name 2BK9Y-B080303001BK B0803-03001BK, B0803-03101BK, B0803-03201BK For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-09-23 Signature Date Printed Name of Signee / Title: Clarice Xie / Manager Company: GuangZhouYueYi Technology Co., Limited Address: Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Phone: +86-13423772540 Fax: N/A Email: [email protected]

Short Term Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we request short term confidentiality prior to marketing the device for the documentation of the following products: FCC ID Model name 2BK9Y-B080303001BK B0803-03001BK, B0803-03101BK, B0803-03201BK For the products listed above, we request short term confidentiality for all applicable exhibits as there are: • External photos • Internal photos • Test setup photos • User manual The above listed exhibits contain business sensitive information which we wish to keep confidential until the actual marketing of our device, that is planned for: Short term confidentiality release date: < 180 days after issue of grant > If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2024-09-23 Signature Date Printed Name of Signee / Title: Clarice Xie / Manager Company: GuangZhouYueYi Technology Co., Limited Address: Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Phone: +86-13423772540 Fax: N/A Email: [email protected]

GuangZhouYueYi Technology Co., Limited Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Date: September. 23, 2024 FCC ID: 2BK9Y-B080303001BK Model Number: B0803-03001BK, B0803-03101BK, B0803-03201BK To: Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21048 To Whom It May Concern, We, GuangZhouYueYi Technology Co., Limited hereby declare that our product (Chassis Light) Model Number: B0803-03001BK, B0803-03101BK, B0803-03201BK board, Schematic, Hardware version, Software version, structure and internal photos are same, model name differently due to marketing purposes. Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Printed Name of Signee / Title: Clarice Xie / Manager Company: GuangZhouYueYi Technology Co., Limited Address: Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Phone: +86-13423772540 Fax: N/A Email: [email protected]

Bottom of EUT Label Product Name: Chassis Light Model No.: B0803-03001BK FCC ID: 2BK9Y-B080303001BK Label Location

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 §1.1307(b) FCC ID: 2BK9Y-B080303001BK EUT Specification EUT Chassis Light Frequency band (Operating) WLAN: 2.412GHz ~ 2.462GHz WLAN: 5.18GHz ~ 5.24GHz WLAN: 5.745GHz ~ 5.825GHz Others: 2.402GHz~2.480GHz Device category Portable (<20cm separation) Mobile (>20cm separation) Others ___ 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 -1.46 dBm (0.0007W) Antenna gain (Max) -3.86 dBi Evaluation applied MPE Evaluation SAR Evaluation 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 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. Measurement Result BLE worst case: Operating Mode Channel Frequency Measured Power Target Power Tune up tolerance Max. Tune up Power Antenna Gain Power density at 20cm Power density Limits (mW/cm 2 ) (MHz) (dBm) (dBm) (dBm) (dBm) (dBi) (mW/ cm 2 ) BLE 2402 -1.46 -1 ±1 0 -3.86 0.0001 1 Test Result: Pass

AntennaReport TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] Manufacturer:ShenzhenGentingCommunicationElectronicsCo.,LTD Adress:315,No.1,SanweiSouthRoad,SanweiCommunity,HangchengStreet,BaoanDistrict,Shenzhen 1.Antennagain3Dresult TEL：+860755-23073599FAX：+860755-23097189E-mail:[email protected] Manufacturer:ShenzhenGentingCommunicationElectronicsCo.,LTD Adress:315,No.1,SanweiSouthRoad,SanweiCommunity,HangchengStreet,BaoanDistrict,Shenzhen 2. Antennastructurediagram 3.argument ElectricalSpecifications FrequencyRange 2402~2480MHz VSWR ≤7.0 InputImpedance 50 Ω Gain-3.86dBi AntennaTypePCBAntenna MechanicalSpecifications WorkingTemperature -40 °C~+85°C WorkingHumidity 20~80% Model No.:B0803-03001BK

Page 1 of 24 Report No.: 8229EU012114W-AD ANNEX D TEST DATA For Project No.: 8229EU012114W Client: GuangZhouYueYi Technology Co., Limited Product Name: Chassis Light Model No.: B0803-03001BK FCC ID: 2BK9Y-B080303001BK Technology: Bluetooth BLE Test Engineer: Test Date: 2024-09-02 Page 2 of 24 Report No.: 8229EU012114W-AD Test Summary Item Result Duty Cycle Pass Bandwidth Pass Maximum Conducted Output Power Pass Maximum Power Spectral Density Pass Unwanted Emissions In Non-restricted Frequency Bands Pass Page 3 of 24 Report No.: 8229EU012114W-AD 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) 1M SISO 2402 2.229 2.499 89.20 0.50 0.75 2440 2.229 2.501 89.12 0.50 0.03 2480 2.229 2.500 89.16 0.50 0.00 Page 4 of 24 Report No.: 8229EU012114W-AD 1.2 Test Graph 1.2.1 Ant1 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 5 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 6 of 24 Report No.: 8229EU012114W-AD 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit 1M SISO 2402 1 1.313 / Pass 2440 1 1.332 / Pass 2480 1 1.315 / Pass 2.1.2 6dB BW Mode TX Type Frequency (MHz) ANT 6dB Bandwidth (MHz) Verdict Result Limit 1M SISO 2402 1 0.623 >=0.5 Pass 2440 1 0.618 >=0.5 Pass 2480 1 0.620 >=0.5 Pass Page 7 of 24 Report No.: 8229EU012114W-AD 2.2 Test Graph 2.2.1 OBW 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 8 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 9 of 24 Report No.: 8229EU012114W-AD 2.2.2 6dB BW 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 10 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 11 of 24 Report No.: 8229EU012114W-AD 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Mode TX Type Frequency (MHz) Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit 1M SISO 2402 -2.06 <=30 Pass 2440 -1.70 <=30 Pass 2480 -1.46 <=30 Pass Page 12 of 24 Report No.: 8229EU012114W-AD 4. Maximum Power Spectral Density 4.1 Test Result 4.1.1 PSD Mode TX Type Frequency (MHz) Maximum PSD (dBm/3kHz) Verdict ANT1 Limit 1M SISO 2402 -9.62 <=8 Pass 2440 -8.93 <=8 Pass 2480 -8.76 <=8 Pass Page 13 of 24 Report No.: 8229EU012114W-AD 4.2 Test Graph 4.2.1 PSD 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 14 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 15 of 24 Report No.: 8229EU012114W-AD 5. Unwanted Emissions In Non-restricted Frequency Bands 5.1 Test Result 5.1.1 Ref Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) 1M SISO 2402 1 -2.13 2440 1 -1.75 2480 1 -1.52 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. 5.1.2 CSE Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) Limit (dBm) Verdict 1M SISO 2402 1 -2.13 -22.13 Pass 2440 1 -1.75 -21.75 Pass 2480 1 -1.52 -21.52 Pass Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. Page 16 of 24 Report No.: 8229EU012114W-AD 5.2 Test Graph 5.2.1 Ref 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 17 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 18 of 24 Report No.: 8229EU012114W-AD 5.2.2 CSE 1M_LCH_2402MHz_Ant1_NTNV 1M_LCH_2402MHz_Ant1_NTNV Page 19 of 24 Report No.: 8229EU012114W-AD 1M_LCH_2402MHz_Ant1_NTNV 1M_LCH_2402MHz_Ant1_NTNV Page 20 of 24 Report No.: 8229EU012114W-AD 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 21 of 24 Report No.: 8229EU012114W-AD 1M_MCH_2440MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 22 of 24 Report No.: 8229EU012114W-AD 1M_MCH_2440MHz_Ant1_NTNV 1M_HCH_2480MHz_Ant1_NTNV Page 23 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV 1M_HCH_2480MHz_Ant1_NTNV Page 24 of 24 Report No.: 8229EU012114W-AD 1M_HCH_2480MHz_Ant1_NTNV 1M_HCH_2480MHz_Ant1_NTNV --------- End of Report -------

TEST REPORT Report No.: 8229EU012114W Applicant: GuangZhouYueYi Technology Co., Limited Address: Unit L3A03-4 No.31 XiCha Road, Baiyun District, Guangzhou City, Guangdong Province, China Product Name: Chassis Light Model No.: B0803-03001BK (refer to clause 2.4) Trademark: kemimoto FCC ID: 2BK9Y-B080303001BK Test Standard(s): 47 CFR Part 15 Subpart C Date of Receipt: May 21, 2024 Test Date: May 21, 2024 – Sep. 02, 2024 Date of Issue: Sep. 23, 2024 ISSUED BY: SHENZHEN EU TESTING LABORATORY LIMITED Prepared by: Reviewed and Approved by: ____________________ _____________________ Mikey Zhu/ Engineer Sally Zhang/ Manager Page 2 of 31 Report No.: 8229EU012114W TRF No.: FCC Part 15.247_BLE (A01) Revision Record Report Version Issued Date Description Status V0 Sep. 23, 2024 Original Valid Page 3 of 31 Report No.: 8229EU012114W TRF No.: FCC Part 15.247_BLE (A01) Table of Contents 1 COVER PAGE .................................................................................................................................... 1 2 GENERAL INFORMATION .......................................................................................................................5 2.1 APPLICANT INFORMATION ...................................................................................................................5 2.2 MANUFACTURER INFORMATION ...........................................................................................................5 2.3 FACTORY INFORMATION ......................................................................................................................5 2.4 GENERAL DESCRIPTION OF E.U.T. ......................................................................................................5 2.5 TECHNICAL INFORMATION OF E.U.T. ...................................................................................................6 3 TEST SUMMARY .......................................................................................................................................7 3.1 TEST STANDARD ................................................................................................................................7 3.2 TEST VERDICT ....................................................................................................................................7 3.3 TEST LABORATORY ............................................................................................................................7 4 TEST CONFIGURATION ...........................................................................................................................8 4.1 TEST ENVIRONMENT ...........................................................................................................................8 4.2 TEST EQUIPMENT ...............................................................................................................................8 4.3 DESCRIPTION OF SUPPORT UNIT .........................................................................................................9 4.4 TEST MODE........................................................................................................................................9 4.5 DESCRIPTION OF CALCULATION ..........................................................................................................9 4.6 MEASUREMENT UNCERTAINTY ......................................................................................................... 10 4.7 DEVIATION FROM STANDARDS ......................................................................................................... 10 4.8 ABNORMALITIES FROM STANDARD CONDITION ................................................................................. 10 5 TEST ITEMS ........................................................................................................................................... 11 5.1 ANTENNA REQUIREMENT .................................................................................................................. 11 5.1.1 Test Requirement .............................................................................................................. 11 5.1.2 Antenna Anti-Replacement Construction .......................................................................... 11 5.1.3 Antenna Gain .................................................................................................................... 11 5.2 CONDUCTED EMISSION AT AC POWER LINE ..................................................................................... 12 5.2.1 Test Requirement .............................................................................................................. 12 5.2.2 Test Setup Diagram .......................................................................................................... 12 5.2.3 Test Procedure .................................................................................................................. 12 5.2.4 Test Data ........................................................................................................................... 12 5.3 OCCUPIED BANDWIDTH ................................................................................................................... 13 5.3.1 Test Requirement .............................................................................................................. 13 5.3.2 Test Setup Diagram .......................................................................................................... 13 5.3.3 Test Procedure .................................................................................................................. 13 5.3.4 Test Data ........................................................................................................................... 13 5.4 MAXIMUM CONDUCTED OUTPUT POWER .......................................................................................... 14 5.4.1 Test Requirement ..............................…

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