2A43SSKS-BTFirework Led lamp

CONFIDENTIALITY REQUEST for Certification Service in USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21046 Date:<2022-7-8> 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 2A43SSKS-BT SKS-JZ-02 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-proprietaryandsecretstradeterm confidentiality exhibits contain our information that could be of benefit to our competitors. The short-term confidentiality on the basis of sensitiveensuring that business 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. Name/Title： jamie Xie /manager Company: Shenzhen Shikeshu Photoelectric Co., Ltd. Address: Room 1808, Building 11, Tiedong Logistics District, No. 3 Ping’an Avenue, Pinghu Community, Pinghu Street, Longgang District, Shenzhen Phone: +86 13538218145 Fax: / E-Mail: [email protected]

Shenzhen Shikeshu Photoelectric Co., Ltd. Pinghu Street, Longgang District, Shenzhen Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: We, the undersigned, hereby authorize Eurofins Product Service GmbH to act on our behalf in all matters relating to applications for equipment authorization FCC ID: including the signing of all documents related to these matters. Any and all acts carried out by Eurofins Product Service GmbH on our behalf shall have the same effect as acts of our own. id General Terms and Conditions (AGB),Testing and Certification Regulations (PZO) which can be viewed on following website www.eurofins.de/ee or retrieved on request. We also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Sincerely, Name/Title jamie Xie /manager Company: Shenzhen Shikeshu Photoelectric Co., Ltd. Address: Pinghu Community, Pinghu Street, Longgang District, Shenzhen Phone: +86 13538218145 Fax: / E-Mail: [email protected]

Led Strip Lights FCC ID: 2A43SSKS-BT SKS-BT-09 External Photographs

SKS-BT-09 Label and Label Location Led Strip Lights SKS-BT-09 FCC ID: 2A43SSKS-BT

Led Strip Lights FCC ID: 2A43SSKS-BT SKS-BT-09 Internal Photographs Y16

RF Exposure Requirements 1.1 Product Description for Equipment Under Test (EUT) Client Information Applicant: Shenzhen Shikeshu Photoelectric Co., Ltd. Address of applicant: Room 1808, Building 11, Tiedong Logistics District, No. 3 Ping’an Avenue, Pinghu Community, Pinghu Street, Longgang District, Shenzhen Manufacturer: Shenzhen Shikeshu Photoelectric Co., Ltd. Address of manufacturer: Room 1808, Building 11, Tiedong Logistics District, No. 3 Ping’an Avenue, Pinghu Community, Pinghu Street, Longgang District, Shenzhen General Description of EUT Product Name: Firework Led lamp Brand Name: / Model No.: SKS-JZ-02 Adding Model(s): / Rated Voltage: DC 3.7V Power Adapter: / Software Version: / Hardware Version: / Serial Number: 108939 FCC ID: 2A43SSKS-BT Technical Characteristics of EUT Bluetooth Version: V5.0 BLE Frequency Range: 2402-2480MHz RF Output Power: -3.19dBm Data Rate: 1Mbps Modulation: GFSK Quantity of Channels: 40 Channel Separation: 2MHz Type of Antenna: PCB Antenna Gain: 1 dBi 1.2 Standard Applicable According to §1.1307(b)(1) and KDB 447498 D01 General RF Exposure Guidance v06, the following RF exposure evaluation shall to demonstrate RF exposure compliance. [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 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 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 4.1 f) is applied to determine SAR test exclusion. 1.3 Calculation Method Bluetooth Tx frequency range: 2402~2480MHz Min. test separation distance: 5mm Maximum Conducted Output Power: -3.19dBm Maximum Tune-up Conducted Output Power: -2dBm RF channel transmit frequency: 2440MHz Result: 0.197 Limit: 3.0 So the transmitter complies with the RF exposure requirements and the SAR is not required.

Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn Page 1 of 36http://www.waltek.com.cn/ TEST REPORT Reference No. .................... : WTX22X0704052W-1 FCC ID ................................ : 2A43SSKS-BT Applicant ........................... : Shenzhen Shikeshu Photoelectric Co., Ltd. Address.............................. : Room 1808, Building 11, Tiedong Logistics District, No. 3 Ping’an Avenue, Pinghu Community, Pinghu Street, Longgang District, Shenzhen Product Name ................... : Firework Led lamp Test Model. ........................ : SKS-JZ-02 Standards .......................... : FCC Part 15.247 Date of Receipt sample .... : July 1 2022 Date of Test........................ : July 1~July 10, 2022 Date of Issue ..................... : July 10, 2022 Test Result ......................... : Pass Remarks: The results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group (Shenzhen) Co., Ltd. Address: 1/F., Room 101, Building 1, Hongwei Industrial Park, Liuxian 2nd Road, Block 70 Bao'an District, Shenzhen, Guangdong, China Tested by: Reviewed By: Approved & Authorized By: Tom Wang / Project Engineer Jason Su / RF Manager Silin Chen / Manager Reference No.: WTX22X0704052W-1 Page 2 of 36 Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn http://www.waltek.com.cn/ TABLE OF CONTENTS 1. GENERAL INFORMATION ...................................................................................................................................4 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................4 1.2 TEST STANDARDS ...................................................................................................................................................5 1.3 TEST METHODOLOGY .............................................................................................................................................5 1.4 TEST FACILITY .......................................................................................................................................................5 1.5 EUT SETUP AND TEST MODE .................................................................................................................................6 1.6 MEASUREMENT UNCERTAINTY ..............................................................................................................................6 1.7 TEST EQUIPMENT LIST AND DETAILS .....................................................................................................................7 2. SUMMARY OF TEST RESULTS ...........................................................................................................................9 3. ANTENNA REQUIREMENT ................................................................................................................................ 10 3.1 STANDARD APPLICABLE ....................................................................................................................................... 10 3.2 EVALUATION INFORMATION................................................................................................................................. 10 4. POWER SPECTRAL DENSITY ........................................................................................................................... 11 4.1 STANDARD APPLICABLE ....................................................................................................................................... 11 4.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 11 4.3 TEST PROCEDURE ................................................................................................................................................. 11 4.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 11 5. DTS BANDWIDTH ................................................................................................................................................. 12 5.1 STANDARD APPLICABLE ....................................................................................................................................... 12 5.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 12 5.3 TEST PROCEDURE ................................................................................................................................................. 12 5.3 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 12 6. RF OUTPUT POWER ............................................................................................................................................ 13 6.1 STANDARD APPLICABLE ....................................................................................................................................... 13 6.2 TEST SETUP BLOCK DIAGRAM ............................................................................................................................. 13 6.3 TEST PROCEDURE ................................................................................................................................................. 13 6.4 SUMMARY OF TEST RESULTS/PLOTS .................................................................................................................... 13 7. FIELD STRENGTH OF SPURIOUS EMISSIONS ...................................................…

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Led Strip Lights FCC ID: 2A43SSKS-BT SKS-BT-09 Test Setup Photos Radiated emission 30MHz~1GHz Radiated emission above 1GHz