2A6TK-F28-BCeiling Fan Remote controller

Warning: Changes or modifications to this unit not expressly approved by the par ty 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 par t 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inter ference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful inter ference to radio communications. However, there is no guarantee that inter ference will not occur in a par ticular installation. If this equipment does cause harmful inter ference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to tr y to correct the inter ference 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 circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/T V technician for help. 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.

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 2A6TK-F28-B F28-B We, Applicant Company Name: Guangdong Shunde Sankey Electronic Technology Co.,Ltd Address: 3F/4F, Baotian Furniture Park, No.3 Chengcai Road, Leliu Street, Shunde District, Foshan City, Guangdong Province Phone: 18688270773 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. or any of ist successors and assignees. 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, May.20,2026 Signature Date Printed Name of Signee: Wang Pan Company: Guangdong Shunde Sankey Electronic Technology Co.,Ltd Address: 3F/4F, Baotian Furniture Park, No.3 Chengcai Road, Leliu Street, Shunde District, Foshan City, Guangdong Province Phone: 18688270773 Fax: 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 2A6TK-F28-B F28-B 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 Parts Lists • 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, May.20,2026 Signature Date Printed Name of Signee: Wang Pan Company: Guangdong Shunde Sankey Electronic Technology Co.,Ltd Address: 3F/4F, Baotian Furniture Park, No.3 Chengcai Road, Leliu Street, Shunde District, Foshan City, Guangdong Province Phone: 18688270773 Fax: Email: [email protected]

External Photographs FCC ID: 2A6TK-F28-B

Label Sample for FCC ID: 2A6TK-F28-B Size for the label: 1.5cm X 1cm Product Name : Ceiling Fan Remote controller Model : F28-B FCC ID :2A6TK-F28-B

Internal photographs FCC ID: 2A6TK-F28-B Antenna

MAXLAB TESTING CO., LTD. Report No.: MAX26053190051501MPE Report No.: MAX26053190051501MPE Page 1 of 6 FCC Part 15.247 Guangdong Shunde Sankey Electronic Technology Co.,Ltd FCC ID: 2A6TK-F28-B FCC Rule(s): FCC Part 15.231(a) Product Description: Ceiling Fan Remote controller Tested Model: F28-B Report No.: MAX26053190051501MPE Tested Date: May.10~22 2026 Issued Date: May. 22, 2026 Tested By: Lris Yao / Engineer Reviewed By: Levi Xiao / EMC Manager Approved & Authorized By: Salon Ouyang / PSQ Manager Prepared By: MAXLAB TESTING CO., LTD. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, Guangdong,518052,People’s Republic of China Tel: 400-882-9628 Fax: 86- 755-26508703 MAXLAB TESTING CO., LTD. Report No.: MAX26053190051501MPE Report No.: MAX26053190051501MPE Page 2 of 6 FCC Part 15.247 1. GENERAL INFORMATION 1.1 Product Description for Equipment Under Test (EUT) Client Information Applicant: Guangdong Shunde Sankey Electronic Technology Co.,Ltd Address of applicant: 3F/4F, Baotian Furniture Park, No.3 Chengcai Road, Leliu Street, S hunde District, Foshan City, Guangdong Province Manufacturer: Guangdong Shunde Sankey Electronic Technology Co.,Ltd Address of manufacturer: 3F/4F, Baotian Furniture Park, No.3 Chengcai Road, Leliu Street, S hunde District, Foshan City, Guangdong Province General Description of EUT Product Name: Ceiling Fan Remote controller Brand Name: N/A Models No.: F28-B Adding Model(s): N/A Rated Voltage: 3.0V by battery Note: The test data is gathered from a productio.0n sample provided by the manufacturer. Technical Characteristics of EUT Frequency Range: 433.92 MHz Data Rate: N/A Antenna Type: PCB antenna MAXLAB TESTING CO., LTD. Report No.: MAX26053190051501MPE Report No.: MAX26053190051501MPE Page 3 of 6 FCC Part 15.247 1.2 Test Standards The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices 1.3 Test Facility MAXLAB Testing Co., Ltd. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, ShiyanStreet, Bao'an District, Shenzhen,Guangdong,518052,People’s Republic of China FCC Test Firm Registration Number: 562200 Designation Number: CN1338 Tel: 400-882-9628 Fax: 86-755-26508703 1.4 Measurement Uncertainty Measurement uncertainty Parameter Conditions Uncertainty RF Output Power Conducted ±0.42dB MAXLAB TESTING CO., LTD. Report No.: MAX26053190051501MPE Report No.: MAX26053190051501MPE Page 4 of 6 FCC Part 15.247 2. TEST LIMIT 2.1 Requirement According to KDB447498 D01 General RF Exposure Guidance v06 Section 4.3.1 Standalone SAR test exclusion considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The minimum test separation distance is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section 4.1) To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion.When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets, laptops & tablets etc.” [(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)] · [√f (GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f (GHz) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison • 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion. When one of the following test exclusion conditions is satisfied for all combinations of simultaneous transmission configurations, further equipment approval is not required to incorporate transmitter modules in host devices that operate in the mixed mobile and portable host platform exposure conditions. The grantee is responsible for documenting this according to Class I permissive change requirements. Antennas that qualify for standalone SAR test exclusion must apply the estimated standalone SAR to determine simultaneous transmission test exc…

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Justification statement Applicant: Guangdong Shunde Sankey Electronic Technology Co.,Ltd Address of applicant: 3F/4F, Baotian Furniture Park, No.3 Chengcai Road, Leliu Street, Shunde District, Foshan City, Guangdong Province Model: F28-B Antenna Type: PCB antenna All measurements were performed radiated and therefore additional antenna gain documentation is not required. Transmitter: The thick line of the entire circle shape along the edge of the PCB pointed by the arrow is the transmitting antenna antenna

MAXLAB TESTING CO., LTD. Report No.: MAX26053190051501RF Page 1 of 24 FCC Part 15C Measurement and Test Report For Guangdong Shunde Sankey Electronic Technology Co.,Ltd FCC ID: 2A6TK-F28-B FCC Rule(s): FCC Part 15.231(a) Product Description: Ceiling Fan Remote controller Tested Model: F28-B Report No.: MAX26053190051501RF Tested Date: May.10~22 2026 Issued Date: May. 22, 2026 Tested By: Lris. Yao / Engineer Reviewed By: Livi. Xiao / EMC Manager Approved & Authorized By: Salon.ouyang/ PSQ Manager Prepared By: MAXLAB TESTING CO., LTD. 1/F, Building B, Xinshidai GR Park, Shiyan Street, Bao'an District, Shenzhen, ShiyanStreet, Bao'an District, Shenzhen,Guangdong,518052,People’s Republic of China Tel: 400-882-9628 Fax: 86- 755-26508703 MAXLAB TESTING CO., LTD. Report No.: MAX26053190051501RF Page 2 of 24 TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................... 3 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .................................................................................. 3 1.2 TEST STANDARDS...................................................................................................................................................... 4 1.3 TEST METHODOLOGY ................................................................................................................................................ 4 1.4 TEST FACILITY .......................................................................................................................................................... 4 1.5 EUT SETUP AND TEST MODE .................................................................................................................................... 4 1.5 EUT SETUP AND TEST MODE .................................................................................................................................... 5 1.6 MEASUREMENT UNCERTAINTY ................................................................................................................................. 5 1.7 TEST EQUIPMENT LIST AND DETAILS ........................................................................................................................ 6 2. SUMMARY OF TEST RESULTS .............................................................................................................................. 7 3. ANTENNA REQUIREMENT ..................................................................................................................................... 8 3.1 STANDARD APPLICABLE ............................................................................................................................................ 8 3.2 TEST RESULT............................................................................................................................................................. 8 4. CONDUCTED EMISSIONS........................................................................................................................................ 9 4.1 TEST PROCEDURE ...................................................................................................................................................... 9 4.2 BASIC TEST SETUP BLOCK DIAGRAM ........................................................................................................................ 9 4.3 ENVIRONMENTAL CONDITIONS ................................................................................................................................. 9 4.4 TEST RECEIVER SETUP .............................................................................................................................................. 9 4.6 CONDUCTED EMISSIONS TEST DATA ....................................................................................................................... 10 5. RADIATED EMISSIONS .......................................................................................................................................... 11 5.1 STANDARD APPLICABLE .......................................................................................................................................... 11 5.2 TEST PROCEDURE .................................................................................................................................................... 12 5.3 CORRECTED AMPLITUDE & MARGIN CALCULATION ............................................................................................... 14 5.4 ENVIRONMENTAL CONDITIONS ............................................................................................................................... 14 5.5 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................... 14 6. 20DB BANDWIDTH .................................................................................................................................................. 19 6.1 STANDARD APPLICABLE .......................................................................................................................................... 19 6.1 TEST PROCEDURE .................................................................................................................................................... 19 6.2 ENVIRONMENTAL CONDITIONS ............................................................................................................................... 19 6.3 SUMMARY OF TEST RESULTS/PLOTS ....................................................................................................................... 19 7. TRANSMISSION TIME ............................................................................................................................................ 20 7.1 STANDARD APPLICABLE ........................................................................................................…

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Test Setup Photos FCC ID: 2A6TK-F28B