2AYCU-S911R/C TOY CAR

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Rev 11/20/07 WOHUA TOYS FACTORY MIDDLE OF YUTING ROAD, CHENGHAI DISTRICT, SHANTOU CITY, GUANGDONG, PROVINCE, CHINA Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AYCU-S911 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name (Block Diagram, Schematics, Operational Description) (Block Diagram, Schematics, Operational Description) 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. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name () () Sincerely, the printed name： Shunkai Chen

WOHUA TOYS FACTORY MIDDLE OF YUTING ROAD, CHENGHAI DISTRICT, SHANTOU CITY, GUANGDONG, PROVINCE, CHINA Date: 2022-12-29 FCC ID: 2AYCU-S911 Dear Sir/Madam, We, WOHUA TOYS FACTORY Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of these model(s) are the same, Only model number is different for these model: Product name: R/C TOY CAR Model no.: S911, S618, S628, S638, S658, S801, S802, S688, S688-1, S912, S913, S914, S915, S916, S917, S918, S919, S811, S812, S813 Regards, the printed name：Shunkai Chen

WOHUA TOYS FACTORY MIDDLE OF YUTING ROAD, CHENGHAI DISTRICT, SHANTOU CITY, GUANGDONG, PROVINCE, CHINA Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 12-29-2022 SUBJECT: FCC Application for FCC ID: 2AYCU-S911 To Whom It May Concern: We, the undersigned, hereby authorize （Eric Wang）Shenzhen CTA Testing Technology Co., Ltd. at Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen CTA Testing Technology Co., Ltd. on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, the printed name：Shunkai Chen

FCC ID: 2AYCU-S911 S911 External Photos of the EUT Photo 1 Photo 2 Photo 3 FCC ID: 2AYCU-S911 Photo 4 Photo 5 Photo 6 FCC ID: 2AYCU-S911 Photo 7

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID: 2AYCU-S911

FCC ID: 2AYCU-S911 S911 Internal Photos of the EUT Photo 1 Photo 2 Photo 3 2.4G (Internal)Antenna FCC ID: 2AYCU-S911 Photo 4 Photo 5 Photo 6

1. Antenna Description: Antenna type Internal Antenna Model S911 Frequency range 2407-2477MHz Manufacturer WOHUA TOYS FACTORY Gain 0.00 dBi 2. Antenna Photo: Length:31.88mm

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China TEST REPORT FCC Rules and Regulations Part PART 15.249 Report Reference No..............: CTA22120100401 FCC ID...................................: 2AYCU-S911 Compiled by ( position+printed name+signature .. : File administrators Zoey Cao Supervised by ( position+printed name+signature .. : Project Engineer Amy Wen Approved by ( position+printed name+signature .. : RF Manager Eric Wang Date of issue .................................... : Dec. 14, 2022 Testing Laboratory Name ............. : Shenzhen CTA Testing Technology Co., Ltd. Address ........................................... : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : WOHUA TOYS FACTORY Address ............................................ : MIDDLE OF YUTING ROAD, CHENGHAI DISTRICT, SHANTOU CITY, GUANGDONG, PROVINCE, CHINA Standard .......................................... : FCC Rules and Regulations Part PART 15.249 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology 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. Test item description ..................... : R/C TOY CAR Trade Mark....................................... : N/A Manufacturer .................................... : WOHUA TOYS FACTORY Model/Type reference ...................... : S911 Listed Models .................................. : S618, S628,S638, S658, S801, S802, S688, S688-1, S912, S913, S914, S915, S916, S917, S918, S919, S811, S812, S813 Modulation ...................................... : GFSK Frequency ......................................... 2407-2477MHz Ratings ............................................. : DC 3V From Battery Result ............................................... : PASS Report No.: CTA22120100401 Page 2 of 26 T E S T R E P O R T Equipment under Test : R/C TOY CAR Model /Type : S911 Listed Models : S618, S628,S638, S658, S801, S802, S688, S688-1, S912, S913, S914, S915, S916, S917, S918, S919, S811, S812, S813 Applicant : WOHUA TOYS FACTORY Address : MIDDLE OF YUTING ROAD, CHENGHAI DISTRICT, SHANTOU CITY, GUANGDONG, PROVINCE, CHINA Manufacturer : WOHUA TOYS FACTORY Address : MIDDLE OF YUTING ROAD, CHENGHAI DISTRICT, SHANTOU CITY, GUANGDONG, PROVINCE, CHINA Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA22120100401 Page 3 of 26 Contents 1. 0BT E S T S T A N D A R D S................................................................. 4 2. 1BS U M M A R Y ............................................................................ 5 2.1. General Remarks 5 2.2. 7BProduct Description 5 2.3. 8BEquipment Under Test 5 2.4. 9BShort description of the Equipment under Test (EUT) 5 2.5. 10BEUT operation mode 5 2.6. 11BBlock Diagram of Test Setup 7 2.7. Modifications 7 3. 2BT E S T E N V I R O N M E N T ............................................................. 8 3.1. Address of the test laboratory 8 3.2. Test Facility 8 3.3. 17BEnvironmental conditions 8 3.4. 18BSummary of measurement results 9 3.5. Statement of the measurement uncertainty 9 3.6. 20BEquipments Used during the Test 9 4. 3BT E S T C O N D I T I O N S A N D R E S U L T S .......................................... 11 4.1. 21BAC Power Conducted Emission ................................................................................... 11 4.2. Radiated Emission and Band Edges ............................................................................ 12 4.3. 20dB Bandwidth Measurement .................................................................................... 18 4.4. 31BAntenna Requirement ................................................................................................... 20 5. 4BT E S T S E T U P P H O T O S O F T H E E U T ........................................ 21 6. 4BT E S T P H O T O S O F T H E E U T .................................................. 22 Report No.: CTA22120100401 Page 4 of 26 1. 0BT E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.249: Operation within the bands 902 - 928 MHz, 2400 - 2483.5 MHz, 5725 - 5875 MHz, and 24.0 - 24.25 GHz. ANSI C63.10:2013 : American National Standard for Testing Unlicensed Wireless Devices ANSI C63.4: 2014: –American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40GHz Range of 9 kHz to 40GHz Report No.: CTA22120100401 Page 5 of 26 2. 1BS U M M A R Y 2.1. General Remarks Date of receipt of test sample : Dec. 01, 2022 Testing commenced on : Dec. 01, 2022 Testing concluded on : Dec. 14, 2022 2.2. 7BProduct Description Product Name: R/C TOY CAR Trade Mark: N/A Model/Type reference: S911 Power Rating DC 3V From Battery Sample ID: CTA221201004-1#(Engineer sample) CTA221201004-2#(Normal sample) Operation frequency 2407-2477MHz Modulation GFSK Antenna Type Internal antenna Antenna Gain 0dBi (Max) Note: The remote control only has the transmitting function, and the car only has the receiving function. 2.3. 8BEquipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 Hz ○ 120V / 60Hz ○ 12 V DC ○ 24 V DC ● Other (specified in blank below) DC 3V From Battery 2.4. 9BShort description of the Equipment under Test (EUT) This is a R/C TOY CAR. For more d…

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FCC ID: 2AYCU-S911 S911 Test Setup Photos of the EUT