2A4T5ST-A83 in 1 Charging Station

shenzhenshishenyezhuangshijiancaiyouxiangongsi Model Difference Product description: 3 in 1 Charging Station Model name: ST-A8 ST-A8-B, ST-A8-W, ST-A8-R, ST-A8-BU, ST-A8-S, ST-A8-GD, ST-A8-GY, ST-A8-CO, ST-A8-GN Trade Name: Tinetton FCC ID: 2A4T5ST-A8 All the model are the same circuit and RF module, except model names. Regards Sincerely Client’s name / title : Wei Ou /CEO Contact information / address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolouCd anyuan2203

shenzhenshishenyezhuangshijiancaiyouxiangongsi 2022.02.25 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: 3 in 1 Charging Station Trademark: Tinetton MODEL : ST-A8 ST-A8-B, ST-A8-W, ST-A8-R, ST-A8-BU, ST-A8-S, ST-A8-GD, ST-A8-GY, ST-A8-CO, ST-A8-GN FCC ID: 2A4T5ST-A8 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 : Wei Ou /CEO Contact information / address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolouCdanyu an2203

shenzhenshishenyezhuangshijiancaiyouxiangongsi 2022.02.25 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 : Wei Ou /CEO Contact information / address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolouCdanyu an2203

External Photos

Label & label location 20*10mm 3 in 1 Charging Station FCC ID: 2A4T5ST-A8

Internal Photos Antenna

No.：BCTC/RF-EMC-005 Page 1 of 25 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2202286875-1E Applicant: shenzhenshishenyezhuangshijiancaiyouxiangongsi Product Name: 3 in 1 Charging Station Model/Type reference: ST-A8 Tested Date: 2022-02-17 to 2022-02-21 Issued Date: 2022-02-21 Report No.: BCTC2202286875-1E No.：BCTC/RF-EMC-005 Page 2 of 25 Edition：A.4 FCC ID:2A4T5ST-A8 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: 3 in 1 Charging Station Trademark: Tinetton Model/Type reference: ST-A8 ST-A8-B, ST-A8-W, ST-A8-R, ST-A8-BU, ST-A8-S, ST-A8-GD, ST-A8-GY, ST-A8-CO, ST-A8-GN Prepared For: shenzhenshishenyezhuangshijiancaiyouxiangongsi Address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolou Cdanyuan2203 Manufacturer: shenzhenshishenyezhuangshijiancaiyouxiangongsi Address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolou Cdanyuan2203 Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2022-02-17 Sample tested Date: 2022-02-17 to 2022-02-21 Issue Date: 2022-02-21 Report No.: BCTC2202286875-1E Test Standards FCC Part15.209 ANSI C63.10-2013 Test Results PASS Tested by: Approved by: Kelsey Tan/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2202286875-1E No.：BCTC/RF-EMC-005 Page 3 of 25 Edition：A.4 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 4 2. Test Summary ....................................................................................................... 5 3. Measurement Uncertainty ..................................................................................... 6 4. Product Information And Test Setup ..................................................................... 7 4.1 Product Information ............................................................................................... 7 4.2 Test Setup Configuration ...................................................................................... 7 4.3 Support Equipment ............................................................................................... 8 4.5 Test Mode ............................................................................................................. 8 5. Test Facility And Test Instrument Used ................................................................. 9 5.1 Test Facility ........................................................................................................... 9 5.2 Test Instrument Used ............................................................................................ 9 6. Conducted Emissions .......................................................................................... 11 6.1 Block Diagram Of Test Setup .............................................................................. 11 6.2 Limit .................................................................................................................... 11 6.3 Test procedure .................................................................................................... 11 6.4 EUT operating Conditions ................................................................................... 11 6.5 Test Result .......................................................................................................... 12 7. Radiated Emissions ............................................................................................. 14 7.1 Block Diagram Of Test Setup .............................................................................. 14 7.2 Limit .................................................................................................................... 15 7.3 Test procedure .................................................................................................... 15 7.4 Test Result .......................................................................................................... 17 8. Bandwidth Test .................................................................................................... 20 8.1 Test Procedure ................................................................................................... 20 8.2 Test Setup ........................................................................................................... 20 8.3 Test Result .......................................................................................................... 20 9. Antenna Requirements ........................................................................................ 21 9.1 Limit .................................................................................................................... 21 9.2 Test Result .......................................................................................................... 21 10. EUT Photographs ................................................................................................ 22 11. EUT Test Setup Photographs.............................................................................. 23 (Note: N/A Means Not Applicable) Report No.: BCTC2202286875-1E No.：BCTC/RF-EMC-005 Page 4 of 25 Edition：A.4 1. Version Report No. Issue Date Description Approved BCTC2202286875-1E 2022-02-21 Original Valid Report No.: BCTC2202286875-1E No.：BCTC/RF-EMC-005 Page 5 of 25 Edition：A.4 2. Test Summary The Product has been tested according to the following specifications: No. Test Parameter Clause No. Results 1 Conducted Emission 15.207 PASS 2 Radia…

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No.：BCTC/RF-EMC-005 Page 1 of 14 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2202286875-2E Applicant: shenzhenshishenyezhuangshijiancaiyouxiangongsi Product Name: 3 in 1 Charging Station Model/Type reference: ST-A8 Tested Date: 2022-02-17 to 2022-02-21 Issued Date: 2022-02-21 Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 2 of 14 Edition：A.4 FCC ID:2A4T5ST-A8 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: 3 in 1 Charging Station Trademark: Tinetton Model/Type reference: ST-A8 ST-A8-B, ST-A8-W, ST-A8-R, ST-A8-BU, ST-A8-S, ST-A8-GD, ST-A8-GY, ST-A8-CO, ST-A8-GN Prepared For: shenzhenshishenyezhuangshijiancaiyouxiangongsi Address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolou Cdanyuan2203 Manufacturer: shenzhenshishenyezhuangshijiancaiyouxiangongsi Address: shenzhenshilonggangqunanwanjiedaobujishiyatoupianqumanchengsanqi19haolou Cdanyuan2203 Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2022-02-17 Sample tested Date: 2022-02-17 to 2022-02-21 Issue Date: 2022-02-21 Report No.: BCTC2202286875-2E Test Standards FCC CFR 47 part1, 1.1307(b), 1.1310 Test Results PASS Tested by: Approved by: Kelsey Tan/ Project Handler Zero Zhou/Reviewer Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 3 of 14 Edition：A.4 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 4 2. Product Information ............................................................................................... 5 2.1 Product Information ............................................................................................... 5 2.2 Support Equipment ............................................................................................... 5 2.3 Test Mode ............................................................................................................. 5 3. Test Facility And Test Instrument Used ................................................................. 6 3.1 Test Facility ........................................................................................................... 6 3.2 Test Instrument Used ............................................................................................ 6 4. Method Of Measurement ....................................................................................... 7 4.1 Applicable Standard .............................................................................................. 7 4.2 Block Diagram Of Test Setup ................................................................................ 7 4.3 Limit ...................................................................................................................... 8 4.4 Test procedure ...................................................................................................... 8 4.5 Equipment Approval Considerations ..................................................................... 9 4.6 E and H field Strength ......................................................................................... 10 5. Photographs Of Test Set-Up ............................................................................... 11 (Note: N/A Means Not Applicable) Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 4 of 14 Edition：A.4 1. Version Report No. Issue Date Description Approved BCTC2202286875-2E 2022-02-21 Original Valid Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 5 of 14 Edition：A.4 2. Product Information 2.1 Product Information Model/Type reference: ST-A8 ST-A8-B, ST-A8-W, ST-A8-R, ST-A8-BU, ST-A8-S, ST-A8-GD, ST-A8-GY, ST-A8-CO, ST-A8-GN Model differences: All the model are the same circuit and RF module, except model names. Hardware Version: N/A Software Version: N/A Product Description: 3 in 1 Charging Station Operation Frequency: 300kHz-350kHz Antenna installation: loop coil antenna Ratings: Input: DC5V2A-5V3A Output：Phone: DC5V/2A(Max) Watch: DC5V/0.5A(Max) Earphone: DC5V/0.5A(Max) 2.2 Support Equipment Device Type Brand Model Series No. Note 3 in 1 Charging Station Tinetton ST-A8 Ref. the Section 4.1 EUT watch Apple S7 N/A Auxiliary Adapter UGREEN CD122 N/A Auxiliary Notes: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 2.3 Test Mode Test Mode 1 2.5W(watch) Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 6 of 14 Edition：A.4 3. Test Facility And Test Instrument Used 3.1 Test Facility All measurement facilities used to collect the measurement data are located at Shenzhen BCTC Testing Co., Ltd. Address:1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China. The site and apparatus are constructed in conformance with the requirements of ANSI C63.4 and CISPR 16-1-1 other equivalent standards. FCC Test Firm Registration Number: 712850 IC Registered No.: 23583 3.2 Test Instrument Used EMF Test Equipment Manufacturer Model# Serial# Last Cal. Next Cal. Electro magnetic radiation tester Wavecontrol SMP160 19SN0980 Aug. 30, 2021 Aug. 29, 2022 Electro magnetic field probe Wavecontrol WP400-3 20WP120082 Aug. 30, 2021 Aug. 29, 2022 843 Chamber ETS 843 84301 Aug. 27, 2020 Aug. 26, 2023 Software Frad EZ-EMC EMC-CON 3A1 \ \ Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Pa…

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Report No.: BCTC2202286875-1E No.：BCTC/RF-EMC-005 Page 23 of 25 Edition：A.4 11. EUT Test Setup Photographs Conducted emissions Report No.: BCTC2202286875-1E No.：BCTC/RF-EMC-005 Page 24 of 25 Edition：A.4 Radiated Measurement Photos Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 11 of 14 Edition：A.4 5. Photographs Of Test Set-Up Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 12 of 14 Edition：A.4 Report No.: BCTC2202286875-2E No.：BCTC/RF-EMC-005 Page 13 of 14 Edition：A.4