2A4NH-S8Household electric treadmill

Jiangxi EQi Industrial Co., Ltd. 2023.02.28 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 2A4NH-S8 [Jiangxi EQi Industrial Co., 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. Sincerely, (Applicant signature) (Applicant printed name) zhou wei Jiangxi EQi Industrial Co., Ltd. 2023.02.28 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 2A4NH-S8 [Jiangxi EQi Industrial Co., 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, (Applicant signature) (Applicant printed name) zhou wei

Jiangxi EQi Industrial Co., Ltd. 2023.02.28 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Household electric treadmill Trademark: N/A MODEL : T4021, AKTM003 FCC ID : 2A4NH-S8 To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : zhou wei / director Contact information / address: Luliang Road, Yining Town, Xiushui County, Jiujiang, China

Jiangxi EQi Industrial Co., Ltd. 2023.02.28 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : zhou wei / director Contact information / address: Luliang Road, Yining Town, Xiushui County, Jiujiang, China

Jiangxi EQi Industrial Co., Ltd. Model Difference 2023-02-28 EUT NAME: Household electric treadmill MODEL : T4021, AKTM003 FCC ID: 2A4NH-S8 All the model are the same circuit and RF module, only for model name. Regards Sincerely Client’s signature: Client’s name / title : zhou wei / director Contact information / address: Luliang Road, Yining Town, Xiushui County, Jiujiang, China

External Photos

Size:60*30mm Household electric treadmill FCC ID: 2A4NH-S8 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Label location

Internal Photos Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2A4NH-S8 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS Conclusion: For the max result: 0.00045≤ 1.0, compliance with FCC's RF Exposure Tune up Produce power Maximum peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW/ cm2) Result WIFI -1±1 0 1.00 2.26 (3.55dBi) 0.00045 1 Pass

Bluetooth Antenna specification&Test report Manufacturer: Yizhao Microelectronics (Hangzhou) Co., Ltd. Address: Room 401, Building 15, No. 498, Guo Shoujing Road, Pudong New Area, Shanghai City, China. Gian and Efficiency Frequency (MHz) Efficiency(%) Gain(dBi) 2300 12.77 -2.33 2320 20.15 -0.40 2340 25.71 0.95 2360 30.32 1.59 2380 30.90 1.63 2400 33.26 2.52 2420 38.93 3.55 2440 38.73 3.34 2460 36.32 2.93 2480 35.23 2.87 2500 35.82 2.53 2520 33.02 1.93 2540 31.62 1.42 3D and 1D Radiation Patterns Total 4 -2 -6 -10 -14 X Z Y Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Power (dBm) Cut1 0 30 330 60 300 90 270 120 240 Max: 4 Min: -4 Scale: 1/div 150 30 180 Angle (? Cut2 0 210 330 60 300 90 270 120 240 Max : 4 Min: -10 Scale: 2/div 150 180 Angle (? 210 Cut3 0 30 330 60 300 90 270 120 240 Max: 3 Min: -7 Scale: 1/div 150 180 Angle (? 210 Power (dBm) Power (dBm) Power (dBm)

No.：BCTC/RF-EMC-007 Page: 1 of 44 Edition：A.5 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2302357740E Applicant: Jiangxi EQi Industrial Co., Ltd. Product Name: Household electric treadmill Model/Type reference: T4021 Tested Date: 2023-02-03 to 2023-02-13 Issued Date: 2023-02-13 Report No.: BCTC2302357740E No.：BCTC/RF-EMC-007 Page: 2 of 44 Edition：A.5 FCC ID:2A4NH-S8 The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Household electric treadmill Trademark: N/A Model/Type reference: T4021 AKTM003 Prepared For: Jiangxi EQi Industrial Co., Ltd. Address: Luliang Road, Yining Town, Xiushui County, Jiujiang City, China Manufacturer: Jiangxi EQi Industrial Co., Ltd. Address: Luliang Road, Yining Town, Xiushui County, Jiujiang City, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-02-03 Sample tested Date: 2023-02-03 to 2023-02-13 Issue Date: 2023-02-13 Report No.: BCTC2302357740E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is Bluetooth BLE radio test report. Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2302357740E No.：BCTC/RF-EMC-007 Page: 3 of 44 Edition：A.5 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 5 2. Test Summary ....................................................................................................... 6 3. Measurement Uncertainty ..................................................................................... 7 4. Product Information And Test Setup ..................................................................... 8 4.1 Product Information ............................................................................................... 8 4.2 Test Setup Configuration ...................................................................................... 9 4.3 Support Equipment ............................................................................................... 9 4.4 Channel List ........................................................................................................ 10 4.5 Test Mode ........................................................................................................... 10 4.6 Table of parameters of text software setting ....................................................... 10 5. Test Facility And Test Instrument Used ............................................................... 11 5.1 Test Facility ......................................................................................................... 11 5.2 Test Instrument Used .......................................................................................... 11 6. Conducted Emissions .......................................................................................... 13 6.1 Block Diagram Of Test Setup .............................................................................. 13 6.2 Limit .................................................................................................................... 13 6.3 Test procedure .................................................................................................... 13 6.4 EUT Operating Conditions .................................................................................. 13 6.5 Test Result .......................................................................................................... 14 7. Radiated Emissions ............................................................................................. 16 7.1 Block Diagram Of Test Setup .............................................................................. 16 7.2 Limit .................................................................................................................... 17 7.3 Test procedure .................................................................................................... 18 7.4 EUT operating Conditions ................................................................................... 19 7.5 Test Result .......................................................................................................... 20 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test Procedure ................................................................................................... 25 8.4 EUT Operating Conditions .................................................................................. 25 8.5 Test Result .......................................................................................................... 26 9. Power Spectral Density Test ............................................................................... 27 9.1 Block Diagram Of Test Setup .............................................................................. 27 9.2 Limit .................................................................................................................... 27 9.3 Test procedure .................................................................................................... 27 9.4 EUT Operating Conditions .................................................................................. 27 9.5 Test Result .................…

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Report No.: BCTC2302357740E No.：BCTC/RF-EMC-007 Page: 42 of 44 Edition：A.5 15. EUT Test Setup Photographs Conducted emissions Report No.: BCTC2302357740E No.：BCTC/RF-EMC-007 Page: 43 of 44 Edition：A.5 Radiated Measurement Photos