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OTM-8401121-27MTX1/6 R/C Kawasaki Brute Force 750 ATV Quad

KIDZTECH TOYS MANUFACTURING LTD
1/6 R/C Kawasaki Brute Force 750 ATV Quad - FCC ID OTM-8401121-27MTX - KIDZTECH TOYS MANUFACTURING LTD
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Application Details

Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant
Jul 27, 2021
Application Purpose
Original Equipment
Date of Application
Jul 27, 2021
Equipment Note
1/6 R/C Kawasaki Brute Force 750 ATV Quad
Frequency Range
27.14500000 - 27.14500000
Company
KIDZTECH TOYS MANUFACTURING LTD
Country
Hong Kong

Documents & Files

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Users Manual

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Block Diagram

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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Operational Description

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RF Exposure Info

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Schematics

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Vehicle Vehicle - Battery Installation #84011, 84331 Contents RC Vehicle (Vehicle) x 1 RC Transmitter (Transmitter) x 1 Antenna for RC Transmitter x 1 Instruction Manual x 1 Battery Requirement 1. Vehicle: 5 x 1.5V ”AA” batteries 2. Transmitter: 1 x 9V battery 5 x AA For Vehicle ( Not Included ) 1 x 9V For Transmitter ( Not Included ) BATTERY PRECAUTION 1. Alkaline batteries are recommended to be used 2. Only batteries of the same or equivalent type as recommended are to be used 3. Do not mix alkaline, standard or rechargeable batteries 4. Do not mix old and new batteries or different type of batteries 5. Non-rechargeable batteries are not to be charged 6. If rechargeable batteries are to be used, they are only to be charged under adult supervision 7. Rechargeable batteries are to be removed from the product before they are charged 8. Be sure to insert batteries with correct polarities and always follow the battery manufacturer’s instructions 9. Remove all batteries from the Vehicle and Transmitter when not in use 10. Exhausted batteries are to be removed from the product 11. The supply terminals are not to be short-circuited 12. Dispose of batteries properly. Do not dispose the batteries in fire - it may cause them to explode or leak causing injury or damage 13. Battery installation and removal must only be done by adult Battery and Antenna Installation For Vehicle (Fig. 1 and Fig. 2) 1. Switch OFF the power. 2. Unscrew the screw on the battery cover. 3. Open the battery cover. 4. Install 5 new 1.5V “AA” batteries with correct polarities (+/-) as shown inside the battery compartment. 5. Close the battery cover. 6. Tighten the screw on the battery cover. For Transmitter (Fig. 3 and Fig. 4) 1. Switch OFF the power. 2. Unscrew the screw on the battery cover. 3. Open the battery cover. 4. Install 1 new 9V battery with correct polarity (+/-) as shown inside the battery compartment. 5. Close the battery cover. 6. Tighten the screw on the battery cover. 7. Insert the antenna into the top of Transmitter, tighten it by rotating clockwise. (viewing from top of Transmitter) Direction Adjustment Battery Compartment ON/OFF Switch Transmitter - Battery Installation Transmitter Forward / Backward Transmitter Antenna LED Battery Indicator Left / Right OFF / ON How to Play 1. Switch ON the Vehicle. 2. Use the Forward / Backward joystick (Fig.3) to drive the Vehicle forward and backward. 3. Use the Left / Right joystick (Fig.3) to control the Vehicle turning left or right. 4. If the vehicle does not run in straight line, adjust the direction adjustment on the Vehicle chassis (Fig. 1). 5. Play on smooth surface to have the optimum performance. 6. Remember to switch OFF the power of the Vehicle and Transmitter after playing. 7. The optimum control range is up to 10m outdoor. Performance Tips 1. Do not drive on grass, dirt, sand, dusts, carpet or go through water. 2. Do not drive in windy or rainy weather. 3. Avoid direct impact the Vehicle with obstacles. 4. Switch OFF the power when not in use to prevent damage of Vehicle and Transmitter due to leakage of electrolyte from batteries. 5. Remove all batteries from the Vehicle and Transmitter when not in use for long period. 6. Keep fingers, hair and loose clothing away from wheels. 7. The operating range can be affected by a variety of factors. a) Low Voltage of batteries in Transmitter or Vehicle. b) Interference from other items that emit radio frequency signals. 8. Outdoor usage is recommended in order to get optimum control range. 9. Recommend to play the vehicle on a clean and smooth surface. 10. Clean the battery compartment to make sure it is free from dust to prevent poor contact of batteries. Environmental notes: The whole product also does not belong to household waste at the end of the product life. You can return it at collection points for the recycling of electronic and electronical instruments The symbol on the item, instruction manual, hangtag or packing is showing this clearly. Materials should be recycled according to their respective markings. Recycling of old devices or other re-use of materials contained therein represents an important contribution to environmental protection. Please ask at your local community for the correct collection point. Disposal of batteries Batteries should not be disposed of in the household waste. As the consumer you are legally obliged to return batteries containing harmful substances and all other used batteries. You can hand in your old batteries at public collection points in your area or wherever batteries are sold. You will find these chemical abbreviations along with a crossed-out refuse bin on batteries containing harmful substances: Pb=Battery contains lead Cd=Battery contains cadmium Hg=Battery contains mercury The packaging and instruction manual contain important information. Please keep them for future reference. Warning! Choking Hazard. Not suitable for children under the age of 3 years due to small parts. We reserve the right to improve/amend specifications and colors without notice. Warning! The Antenna of vehicle and/or transmitter is/are not to be inserted into socket outlets. Frequency band : 26.957 – 27.283 MHz Maximum radio frequency power transmitted : <0 dBm www.kidztechtoys.com Cautions 1. Do not attempt to disassemble the Vehicle or Transmitter. 2. Do not operate the Vehicle with same frequency with other player(s) in same location that will interfere and make the Vehicle out of control. 3. Make sure the batteries are installed with correct polarities (+/-) as shown inside the battery compartment. 4. Remove the package and take out all accessories before giving the Vehicle and Transmitter to child to play. FCC label compliance statement: 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…

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Block Diagram

1 2 3 4 A B C D 4 3 2 1 D C B A ±êÌâ ͼ ºÅ Ð Þ¶© ³ß ́ç A4 È Õ Æ Ú : 16-Mar-2012 μ Ú Õ Å ¹² Õ Å ÎÄ ¼ þ: D:\μ ç ·°åÀ ¬ »ø\·¢É ä·½ ¿òͼ .DDB Ö Æ Í¼ È Ë : Coding circuit IC1: 977· ANTENNA Oscillation circuit AM Regulator circuit VCC+9V 27.145MHZ Frequency selection Antenna matching TX1 27.145MHz

Cover Letter(s)

Letter of Agency "I, an officer of Kidztech Toys Manufacturing Ltd. do hereby authorize Intertek Testing Services (Mr. Terry Chan / Koo Wai Ip / Kenneth Wong) to act on our behalf in front of the Federal Communications Commission with respect to all matters relating to certification of equipment under Part 15 and Part 18 of the FCC Rules until further notice." I further certify that no party (as defined in §1.2002(b) of CFR 47, 2004) to this application, including myself, is subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.,862. Dated this day of 20 By Signature Printed Name Title Remark: The person who signs this authorization letter must be the grantee contact of record in the Grantee Code data base. Dec 2013 Eric Ho Senior Manager 1Jun 21

External Photos

INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Equipment Photographs (External) INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Equipment Photographs (External)

Internal Photos

INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Equipment Photographs (Internal) INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Equipment Photographs (Internal) INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Equipment Photographs (Internal) INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Equipment Photographs (Internal)

Operational Description

Technical Description The Equipment Under Test (EUT) is a portable transmitter of a RC Car operating at 27.145 MHz as dictated by a crystal. The EUT is powered by a 9.0 V DC source (1 x 9.0V battery). The EUT has a left / right control lever and a forward / backward control lever. After switching ON the EUT and the receiver of the RC Car, activating the control levers on the EUT can control the receiver moving forward, backward left and right directions. Antenna Type: External, Telescope type Antenna Antenna Gain: 0dBi Nominal rated field strength: 69.7dBμV/m at 3m Maximum allowed field strength of production tolerance: +/- 3dB The brief circuit description is listed as below: 1) IC1 (977) acts as MCU 2) L3 and T1 act as an Antenna Circuit. 2) TX1 acts as 27.145MHz oscillator. 3) Q1 & Q2 acts as Modulator and Amplifier.

RF Exposure Info

Analysis Report The Equipment Under Test (EUT) is a portable transmitter of a RC Car operating at 27.145 MHz as dictated by a crystal. The EUT is powered by a 9.0 V DC source (1 x 9.0V battery). The EUT has a left / right control lever and a forward / backward control lever. After switching ON the EUT and the receiver of the RC Car, activating the control levers on the EUT can control the receiver moving forward, backward left and right directions. Antenna Type: External, Telescope type Antenna Antenna Gain: 0dBi Nominal rated field strength: 69.7dBμV/m at 3m Maximum allowed field strength of production tolerance: +/- 3dB According to the KDB 447498: Based on the Maximum allowed field strength of production tolerance was 72.7dBμV/m at 3m in frequency 27.145MHz, thus; The worst case of SAR Exclusion Threshold Level for 27.145MHz when the minimum test separation distance is < 50mm: = [474 * (1 + log100/f(MHz))]/2 = 371.2mW According to the KDB 412172 D01: EIRP = [(FS*D) ^2*1000 / 30] Calculated Field Strength for 371.2mW is 120.9dBuV/m @3m Since maximum field strength plus production tolerance < = 120.9dBuV/m @3m and antenna gain is > = 0.0dBi, it is concluded that maximum Conducted Power and Field Strength are well below the SAR Exclusion threshold level, so the EUT is considered to comply with SAR requirement without testing.

Schematics

1 1 2 2 3 3 4 4 DD CC BB AA A NTENNA C1 68P C2 47P C3 201 C6 47P Q1 C94 5P Q2 C94 5P L3 6.8uH L2 2.2uH L1 2.2uH R4 22K R1 100 R3 150K TX1 27.145MHz LED 9V R 1 NC 2 GND 3 B 4 F 5 T 6 SC 7 SO 8 V DD 9 PC 10 OS CO 11 OS CI 12 NC 13 L 14 IC1977 R6 220K R5 330 C4 103 C9 104P C7 68P ZD1 3.3V K1 SW SPST R7 3.9K T1 15.5T C8 68P R2 100 C5 103 C10 104 27.145MHz SW1 SW4 SW3 SW2

Test Report

2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong SAR, China. Telephone: (852) 2173 8888 Facsimile: (852) 2785 5487 www.intertek.com Intertek’s standard Terms and Conditions can be obtained at our website http://www.intertek.com/terms/. The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. © 2017 Intertek Page 1 of 15 TEST REPORT Report No.: 21060882HKG-001 Kidztech Toys Manufacturing Ltd. Application For Certification (Original Grant) FCC ID: OTM-8401121-27MTX Transmitter Prepared and Checked by: Approved by: Signed On File Lee For Yiu, Florey Assistant Engineer Wong Kwok Yeung, Kenneth Assistant Supervisor Date: July 02, 2021 TEST REPORT Kidztech Toys Manufacturing Ltd. Intertek Report No: 21060882HKG-001 Page 2 of 15 GENERAL INFORMATION Grantee: Kidztech Toys Manufacturing Ltd. Grantee Address: Rm 802 Inter-Continental Plaza, 94 Granville Road, Tsim Sha Tsui East, Kowloon, Hong Kong Contact Person: Eric Ho Tel: (852) 2721 8868 Fax: (852) 2721 8838 e-mail: N/A Manufacturer: Kidztech Intelligent Technology Co., Ltd. Manufacturer Address: Chengyang Gang Road, Ancheng Road, Liangxia Town, Chenghai District, Shantou City, 515800, Guangdong, China. Brand Name: Kidztech Toys Model: 84011 Additional Model: 84331, 96673941 Type of EUT: Transmitter Description of EUT: 1/6 R/C Kawasaki Brute Force 750 ATV Quad Serial Number: N/A FCC ID: OTM-8401121-27MTX Date of Sample Submitted: June 16, 2021 Date of Test: June 16, 2021 to June 30, 2021 Report No.: 21060882HKG-001 Report Date: July 02, 2021 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Conclusion: Test was conducted by client submitted sample. The submitted sample as received complied with the 47 CFR Part 15 Certification. TEST REPORT Kidztech Toys Manufacturing Ltd. Intertek Report No: 21060882HKG-001 Page 3 of 15 SUMMARY OF TEST RESULT Test Specification Reference Results Radiated Emission Radiated Emission on the Bandedge 15.227, 15.209 Pass Radiated Emission in Restricted Bands 15.205 Pass The equipment under test is found to be complying with the following standards: FCC Part 15, October 1, 2020 Edition Note: 1. The EUT uses a permanently attached antenna which, in accordance to section 15.203, is considered sufficient to comply with the pervisions of this section. 2. Pursuant to FCC part 15 Section 15.215(c), the 20 dB bandwidth of the emission was contained within the frequency band designated (mentioned as above) which the EUT operated. The effects, if any, from frequency sweeping, frequency hopping, other modulation techniques and frequency stability over excepted variations in temperature and supply voltage were considered. TEST REPORT Kidztech Toys Manufacturing Ltd. Intertek Report No: 21060882HKG-001 Page 4 of 15 TABLE OF CONTENTS 1.0 GENERAL DESCRIPTION ................................................................................................ 5 1.1 Product Description ................................................................................................... 5 1.2 Related Submittal(s) Grants ....................................................................................... 5 1.3 Test Methodology ...................................................................................................... 5 1.4 Test Facility ................................................................................................................ 5 2.0 SYSTEM TEST CONFIGURATION ..................................................................................... 6 2.1 Justification ................................................................................................................ 6 2.2 EUT Exercising Software ............................................................................................. 6 2.3 Special Accessories .................................................................................................... 6 2.4 Measurement Uncertainty ......................................................................................... 6 2.5 Support Equipment List and Description .................................................................... 6 3.0 EMISSION RESULTS ....................................................................................................... 7 3.1 Field Strength Calculation .......................................................................................... 7 3.2 Radiated Emission Configuration Photograph ............................................................ 8 3.3 Radiated Emission Data ............................................................................................. 8 4.0 EQUIPMENT PHOTOGRAPHS ...................................................................................... 10 5.0 PRODUCT LABELLING .................................................................................................. 10 6.0 TECHNICAL SPECIFICATIONS ....................................................................................... 10 7.0 INSTRUCTION MANUAL ............…

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Test Setup Photos

INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Configuration Photographs Worst-Case Radiated Emissions (Front View) INTERTEK TESTING SERVICE FCC ID: OTM-8401121-27MTX Configuration Photographs Worst-Case Radiated Emissions (Back View)

Contact Information

Applicant

Eric Ho
[email protected]89865656Fax: 85695678

Technical Contact

Intertek Testing Services Hong Kong Ltd.Kenneth Wong
[email protected](852) 3912 6902

2/F., Garment Centre, · Hong Kong

Non-Technical Contact

Intertek Testing Services Hong Kong Ltd.Kenneth Wong
[email protected](852) 3912 6902

Test Firm

Intertek Testing Services Hong Kong Ltd.Billy Chow
[email protected]85221738528Fax: 85227410521

Technical Specifications

#Rule PartsFrequency RangePower Output
115C27.145 MHz - 27.145 MHz-

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