THCOS-1000CWOS-1000CW

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device m ay not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user' s authority to operate the equipment NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential i nstallation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to r adio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver -- Connect the equipment into an outlet on a c订cuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help This device and its antenna(s) must not be co - located or operation in conjunction with any other antenna or transmitter. R adiation Exposure Statement T he equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. During the o peration of device a distance 15cm surrounding the device and 20cm above the top surface of the device must be r espected

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date: 2021/6/21 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 requests confidentiality for the following products: FCC ID Model name THCOS-1000CW OS-1000CW For the product stated above, we request that the following information be held confidential; Exhibits Long-Term Confidentiality Short-Term Confidentiality Short-Term Confidentiality Days External Photos Internal Photos Block Diagram Schematics Test Setup Photos User’s Manual Parts List Tune Up Operational Descriptions The long-term confidentiality exhibits contain our trade secrets and proprietary information that could be of benefit to our competitors. The short-term confidentiality on the basis of ensuring that business sensitive information remains confidential until the actual marketing of our new device. If you have any questions, please feel free to contact me at the address shown below. Sincerely, Name/Title： Park Kyutae/ Principal Research Engineer Company: D&T Inc. Address: 26-121, Gajeongbuk-ro, Yuseong-gu, Daejeon, South Korea Phone: +82-42-360-8000 Fax: +82-42-360-0830 E-Mail: [email protected]

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 2 EXTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 2 Fig.3 Fig.4

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 3 INTERIOR PHOTOGRAPHS OF EUT Fig.1 Fig.2 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 3 Fig.3 Fig.4 ANT Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 3 Fig.5

Page 1 of 13 Report No.: TZ210502207-E2 FCC TEST REPORT Test report On Behalf of D&T Inc. For OS-1000CW Model No.: OS-1000CW FCC ID: THCOS-1000CW Prepared for : D&T Inc. 26-121, Gajeongbuk-ro, Yuseong-gu, Daejeon, South Korea Prepared By : Shenzhen Tongzhou Testing Co.,Ltd 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China Date of Test: Jun. 3, 2021 ~ Jun. 7, 2021 Date of Report: Jun. 8, 2021 Report Number: TZ210502207-E2 The test report apply only to the specific sample(s) tested under stated test conditions It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Page 2 of 13 Report No.: TZ210502207-E2 TEST RESULT CERTIFICATION Applicant’s name ................. : D&T Inc. Address ................................. : 26-121, Gajeongbuk-ro, Yuseong-gu, Daejeon, South Korea Manufacture's Name ............ : BLUE ELVES POWER TECHNOLOGY CO.,LTD Address ................................. : 4fl,B3Bd,Jidali,Xinhedadao,Gonghesequ,Shajingjiedao, Baoanqu,Shenzhen-city,Guangdong-sheng,China Product description Trade Mark ............................ : N/A Product name ........................... : OS-1000CW Model and/or type reference : OS-1000CW Standards ............................. : FCC Rules and Regulations Part 2.1091, KDB680106 D01v03r01 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Tongzhou Testing Co.,Ltd is acknowledged as copyright owner and source of the material. Shenzhen Tongzhou Testing Co.,Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Jun. 3, 2021 ~ Jun. 7, 2021 Date of Issue ........................................... : Jun. 8, 2021 Test Result ............................................... : Pass Testing Engineer : (Nancy Li) Technical Manager : (Hugo Chen) Authorized Signatory : (Andy Zhang) Page 3 of 13 Report No.: TZ210502207-E2 1. GENERAL INFORMATION 1.1 General Description of EUT Equipment OS-1000CW Model Name OS-1000CW Serial No. N/A Model Difference N/A Trade Mark N/A FCC ID THCOS-1000CW Antenna Type Coil Antenna Antenna Gain 0dBi Operation frequency 110-205KHz Modulation Type ASK Power Rating Input: 5V2A, 9V1.5A Output: 5V1A, 9V1A Test Sample ID TZ210502207-1# Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. The EUT antenna is Coil Antenna. No antenna other than that furnished by the responsible party shall be used with the device. Page 4 of 13 Report No.: TZ210502207-E2 2. SUMMARY OF TEST RESULTS 2.1 Test procedures according to the technical standards: FCC KDB 680106 D01 RF Exposure Wireless Charging App v03r01 FCC CFR 47 Standard Section Test Item Judgment Remark FCC CFR 47 part1, 1.1310 KDB680106 D01v03r01 (3)(c) Electric Field Strength (E) (V/m) PASS Magnetic Field Strength (H) (A/m) PASS 2.2 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 All emissions, radiated(<30M)(9KHz-30MHz) ±2.45dB 2 Temperature ±0.5°C 3 Humidity ±2% 2.3 TEST FACILITY Test Firm : Shenzhen Tongzhou Testing Co.,Ltd Address 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China FCC Designation Number: CN1275 Test Firm Registration Number: 167722 Shenzhen Tongzhou Testing Co.,Ltd has been listed on the US Federal Communications Commission list of test facilities recognized to perform electromagnetic emissions measurements. A2LA Certificate Number: 5463.01 Shenzhen Tongzhou Testing Co.,Ltd has been listed by American Association for Laboratory Accreditation to perform electromagnetic emission measurement. Page 5 of 13 Report No.: TZ210502207-E2 IC ISED#: 22033 CAB identifier: CN0099 Shenzhen Tongzhou Testing Co.,Ltd has been listed by Innovation, Science and Economic Development Canada to perform electromagnetic emission measurement. 2.4 Test Instruments Description Brand Model No. Frequency Range Calibrated Date Calibrated Until Broadband Field Meter NARDA NBM-550 - Dec. 27, 2020 Dec. 27, 2021 Magnetic Field Meter NARDA ELT-400 1 – 400kHz Dec. 27, 2020 Dec. 27, 2021 Magnetic Probe NARDA HF-3061 300kHz – 30MHz Dec. 27, 2020 Dec. 27, 2021 Magnetic Probe NARDA HF-0191 27 – 1000MHz Dec. 27, 2020 Dec. 27, 2021 Broadband Field Meter NARDA NBM-550 - Dec. 27, 2020 Dec. 27, 2021 Electric Field Meter COMBINOVA EFM 200 5Hz – 400kHz Dec. 27, 2020 Dec. 27, 2021 E-Field Probe NARDA EF-0391 100kHz – 3GHz Dec. 27, 2020 Dec. 27, 2021 E-Field Probe NARDA EF-6091 100MHz – 60GHz Dec. 27, 2020 Dec. 27, 2021 NOTE: 1. The calibration interval of the above test instruments is 12 months. 2.5 Special Accessories No. Equipment Manufacturer 1 Intelligent wireless charging full function test module YBZ Page 6 of 13 Report No.: TZ210502207-E2 2.6 Operation of EUT during testing Test Modes: Mode 1 AC/DC Adapter (9V/1.5A) + EUT + Wireless charger tester (Load 9W) Record Mode 2 AC/DC Adapter (9V/1.5A) + EUT + Wireless charger tester (Load 7.5W) Pre-test Mode 3 AC/DC Adapter (9V/1.5A) + EUT + Wireless charger tester (Load 5W) Pre-test Mode 4 AC/DC Adapter (5V/2A) + EUT + Wireless charger tester (Load 9W) Pre-test Mode 5 AC/DC Adapter (5V/2A) + EUT + Wireless charger tester (Load 7.5W) Pre-test Mode 6 AC/DC Adapter (5V/2A) + EUT + Wireless charger tester (Load 5W) Pre-test Note: All test modes were pre-tested, but we only recorded the worst case in this report. Page 7 of 13 Report No.: TZ210502207-E2 3. MAXIMUM PERMISSIBLE EXPOSURE Table1 Limit of Maximum Permissible Exposure Limits for Occupational / Control…

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Report No.: TZ210502207-E1 Page 1 of 25 FCC TEST REPORT Test report On Behalf of D&T Inc. For OS-1000CW Model No.: OS-1000CW FCC ID: THCOS-1000CW Prepared for : D&T Inc. 26-121, Gajeongbuk-ro, Yuseong-gu, Daejeon, South Korea Prepared By : Shenzhen Tongzhou Testing Co.,Ltd 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China Date of Test: Jun. 3, 2021 ~ Jun. 7, 2021 Date of Report: Jun. 8, 2021 Report Number: TZ210502207-E1 The test report apply only to the specific sample(s) tested under stated test conditions It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: TZ210502207-E1 Page 2 of 25 TEST RESULT CERTIFICATION Applicant’s name ................. : D&T Inc. Address ................................. : 26-121, Gajeongbuk-ro, Yuseong-gu, Daejeon, South Korea Manufacture's Name ............ : BLUE ELVES POWER TECHNOLOGY CO.,LTD Address ................................. : 4fl,B3Bd,Jidali,Xinhedadao,Gonghesequ,Shajingjiedao, Baoanqu,Shenzhen-city,Guangdong-sheng,China Product description Trade Mark ............................ : N/A Product name ........................... : OS-1000CW Model and/or type reference : OS-1000CW Standards ............................. : FCC Rules and Regulations Part 15 Subpart C (Section 15.209), ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Tongzhou Testing Co.,Ltd is acknowledged as copyright owner and source of the material. Shenzhen Tongzhou Testing Co.,Ltd takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Jun. 3, 2021 ~ Jun. 7, 2021 Date of Issue ........................................... : Jun. 8, 2021 Test Result ............................................... : Pass Testing Engineer : (Nancy Li) Technical Manager : (Hugo Chen) Authorized Signatory : (Andy Zhang) Report No.: TZ210502207-E1 Page 3 of 25 Table of Contents Page 1 TEST SUMMARY ................................................................................................ 4 1.1 TEST PROCEDURES AND RESULTS ....................................... 4 1.2 TEST FACILITY ........................................................................... 4 1.3 MEASUREMENT UNCERTAINTY ............................................... 4 2 GENERAL INFORMATION ................................................................................. 5 2.1 General Description of EUT ......................................................... 5 2.2 Operation of EUT during testing .................................................. 6 2.3 Description of Test Setup ............................................................. 6 3 Measurement Instruments List ............................................................................ 7 4 CONDUCTED EMISSION TEST ......................................................................... 8 4.1 Block Diagram of Test Setup ....................................................... 8 4.2 Conducted Power Line Emission Limit ......................................... 8 4.3 Test Procedure ............................................................................ 8 4.4 Test Result ................................................................................... 9 5 Bandwidth ......................................................................................................... 11 5.1 Block Diagram of Test Setup ..................................................... 11 5.2 Rules and specifications ............................................................ 11 5.3 Test Procedure .......................................................................... 11 5.4 Test Result ................................................................................. 12 6 RADIA TED EMISSIONS .................................................................................. 13 6.1 Block Diagram of Test Setup ..................................................... 13 6.2 Rules and specifications ............................................................ 14 6.3 Test Procedure .......................................................................... 15 6.4 Test Result ................................................................................. 15 7 ANTENNA REQUIREMENT .............................................................................. 18 8 PHOTOGRAPH OF TEST ................................................................................. 19 8.1 Radiated Emission ..................................................................... 19 8.2 Conducted Emission .................................................................. 20 9 PHOTOGRAPH OF EUT................................................................................... 21 Report No.: TZ210502207-E1 Page 4 of 25 1 TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS DESCRIPTION OF TEST RESULT CONDUCTED EMISSIONS TEST COMPLIANT RADIATED EMISSION TEST COMPLIANT OCCUPIED BANDWIDTH MEASUREMENT COMPLIANT ANTENNA REQUIREMENT COMPLIANT 1.2 TEST FACILITY Test Firm : Shenzhen Tongzhou Testing Co.,Ltd Address 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China FCC Designation Number: CN1275 Test Firm Registration Number: 167722 Shenzhen Tongzhou Testing Co.,Ltd has been listed on the US Federal Communications Commission list of test facilities recognized to perform electromagnetic emissions measurements. A2LA Certificate Number: 5463.01 Shenzhen Tongzhou Testing Co.,Ltd has been listed by American Association for Laboratory Accreditation to perform electromagnetic emission measurement. IC ISED#: 22033 CAB identifier: CN0099 Shenzhen Tongzhou Testing Co.,Ltd has been listed b…

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 2 TEST SETUP PHOTOS OF THE EUT Radiated Emission Shenzhen Tongzhou Testing Co.,Ltd FCC ID: THCOS-1000CW This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 2 Conducted Emission