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OTM-8437115-24GTX1/12 RC GT Race / RC Yamaha Snowmobile Viper

KIDZTECH TOYS MANUFACTURING LTD
1/12 RC GT Race / RC Yamaha Snowmobile Viper - FCC ID OTM-8437115-24GTX - KIDZTECH TOYS MANUFACTURING LTD
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Application Details

Equipment Class
DXX - Part 15 Low Power Communication Device Transmitter
Date of Grant
Jul 28, 2015
Application Purpose
Original Equipment
Date of Application
Jul 28, 2015
Equipment Note
1/12 RC GT Race / RC Yamaha Snowmobile Viper
Frequency Range
2405.00000000 - 2475.00000000
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

Battery Precaution 1. The 6.4V rechargeable battery pack must be charged before use by utilizing the battery charger which included 2. Do not overcharge the battery pack. Do not charge for more than 6 hours 3. Do not charge the battery pack if it shows leakage, corrosion, or has loose or exposed wires or other damage 4. Do not cover the battery pack with any sort of materials while charging 5. Do not touch the battery pack when it is hot. Wait until the battery pack cools before installing it in the Vehicle and before recharging 6. Do not dispose of the battery in fire 7. Do not dismantle the battery or charger, and do not cut the battery or charger cables 8. The battery pack will be warm after charging, and hot after use in a vehicle 9. The supply terminals are not to be short-circuited 10. Rechargeable batteries are to be removed from the toy before being charged 11. Rechargeable batteries for adult charging only 12. Battery replacement must be only made by adults 13. The transformer (charger) is not a toy 14. Charge only type (1300mAh Max.) rechargeable battery packs. Other types of batteries may burst causing injury to persons and damage. This power unit is intended to be correctly orientated in a vertical or floor mount position. This charger is intended to be used for charging 6.4V rechargeable battery pack with capacity 1300mAh Max. It cannot be used for charging non-rechargeable batteries. Regular examination of battery charger for any damage to their cord, plug, enclosure and other parts, and that, in the event of such damage, it must not be used with the charger or battery pack charge until such damage has been repaired. Note that the 9V battery is non-rechargeable and is not to be recharged. Only batteries of the same or equivalent type as recommended are to be used. It will need replacement when transmission is poor. 15. Exhausted batteries are to be removed from the product. ADAPTER (Included) 1 X 9V Battery For Transmitter (Included) 9V Contents Battery Installation NO.: 84371 2.4GHz RC Transmitter x 1 For Transmitter (Fig.6 and Fig.7) 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 Inter-Changeable Ski age 8 Full Function Radio Control Full Function Radio Control SNOWMOBILESNOWMOBILE RADIO CONTROLRADIO CONTROL 1:6 SCALE 6.4V 1300mAh 6.4V Lithium 6.4V Lithium 1300mAh For Vehicle (Included) ·RANGE 35M RC Vehicle x 1 -RC Vehicle x 1 -2.4GHz RC Transmitter x 1 -Instruction Manual x 1 -6.4V Rechargeable Battery Pack x 1 -Adapter x 1 -9V Battery x 1 -Inter-Changeable Ski x 2 For Vehicle: (Fig.1 - Fig.5) Transmitter - Battery Installation Fig.7 9 V Battery Transmitter Fig.6 LED Battery Indicator Left / Right OFF / ON Forward / Backward Antenna Fig.1Fig.2Fig.3 Fig.4Fig.5 INTER-CHANGEABLE SKI RL OFFON www.kidztech.net SCAN TO VISIT US Switch OFF the powerRemove the rider Open the battery cover Unscrew the screw on the battery cover Install a new 6.4V battery pack with correct polarities (+/-) as shown inside the battery compartment Close the battery cover Tighten the screw on the battery cover PRO. SYSTEM KIDZTECH TOYS MANUFACTURING LTD. Room 1201,12/F, Inter-Continental Plaza, 94 Granville Road, TST East, Hong Kong. Tel: (852) 27218868 [email protected] Made in China http://www.kidztech.net SRViper 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 undesired operation. 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 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 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 radio 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 circuit different from that to which the receiver is connected - Consult the dealer or an experienced radio/TV technician for help Warning: 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. Declaration of Confor mity The product is in conformity with the requirement of EU Directive 1999/5/EC 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 …

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Block Diagram

1 1 2 2 3 3 4 4 DD CC BB AA ANTENNA Voltage regulator VCC+9V 12MHZ Band-pass filter Before and after the 2.4 G launch module MCU left and right sides

External Photos

INTERTEK TESTING SERVICE Report No.: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Equipment Photographs Model : 84371 (External)

Internal Photos

INTERTEK TESTING SERVICE Report No.: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Equipment Photographs Model : 84371 (Internal) INTERTEK TESTING SERVICE Report No.: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Equipment Photographs Model : 84371 (Internal) INTERTEK TESTING SERVICE Report No.: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Equipment Photographs Model : 84371 (Internal) INTERTEK TESTING SERVICE Report No.: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Equipment Photographs Model : 84371 (Internal)

Operational Description

Technical Description The brief circuit description is listed as below: 1) U1 acts as a 2.4GHz Module (KCD2406). 2) U2 acts as a Voltage Regulator (7130). 3) Y1 acts as a Crystal for U1. Antenna Type: Internal antenna Antenna Gain: 0dBi Nominal rated field strength: 93.2 dBμV/m at 3m Maximum allowed field strength of production tolerance: +/- 3dB

RF Exposure Info

Analysis Report The Equipment Under Test (EUT) is a transmitter of a RF controlled car. The EUT is powered by a 9V alkaline battery. The EUT operating frequency is from 2405-2475MHz (71 channels with 1MHz channel spacing). After switching ON the EUT and the corresponding car (Receiver), activating the control keys on the EUT can control the car moving forward, backward, left and right. Antenna Type: Internal antenna Antenna Gain: 0dBi Nominal rated field strength: 93.2 dBμV/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 96.2dBμV/m at 3m in frequency 2.4GHz, thus; The EIRP = [(FS*D) ^2*1000 / 30] = 1.251mW Conducted power = Radiated Power (EIRP) – Antenna Gain So; Conducted Power =1.251mW. The SAR Exclusion Threshold Level: = 3.0 * (min. test separation distance, mm) / sqrt(freq. in GHz) = 3.0 * 5 / sqrt (2.475) mW = 9.53 mW Since the above conducted output power is 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 D1 LED-R R1 1K VDD S1 L/R S2 F/B K1 VCC C2 104 C1 10U 12345678 IC1 VDD LED LED J1 0R IO G IC2 7130 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 U1 RS14132-TX Comment: ANTENNA C3 104 R1 NC L1 1.5NH Y1 12M C1 1P C2 1P R4 10RC4 NC C6 NC C5 104 L LED DM R2 10K R B F R3 NC C8 NC C9 NC C7 1UF 12345678 VDD3.0V LEDLRBF 2.4G-TX1 R2 22R C3 *

Test Report

Issuing Laboratory: Intertek Testing Services Hong Kong Limited HKAS has accredited this laboratory (HOKLAS 005 – TEST) under HOKLAS for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. Report No.: 15061034HKG-001 ii FCC ID: OTM-8437115-24GTX Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com GENERAL INFORMATION Grantee: Kidztech Toys Manufacturing Ltd. Grantee Address: Room 1201, 12/F., 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: Shantou Chenghai JinJun Toys Co. Ltd. Manufacturer Address: Yongxin Industry Zone, Lianshang, Chenghai, Shantou, China Brand Name: N/A Model: 84371 Additional Model: 84171, 84172, 84173, 84174, 6716384, 5VQBJ, 100602669 Type of EUT: Transmitter Description of EUT: 1/12 RC GT Race / RC Yamaha Snowmobile Viper Serial Number: N/A FCC ID: OTM-8437115-24GTX Date of Sample Submitted: June 17, 2015 Date of Test: June 17, 2015 to June 25, 2015 Report No.: 15061034HKG-001 Report Date: July 23, 2015 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Issuing Laboratory: Intertek Testing Services Hong Kong Limited HKAS has accredited this laboratory (HOKLAS 005 – TEST) under HOKLAS for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. Report No.: 15061034HKG-001 iii FCC ID: OTM-8437115-24GTX Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com SUMMARY OF TEST RESULT TEST SPECIFICATION REFERENCE RESULTS Radiated Emission Radiated Emission on the Bandedge 15.249 Pass The equipment under test is found to be complying with the following standards: FCC Part 15, October 1, 2014 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. Issuing Laboratory: Intertek Testing Services Hong Kong Limited HKAS has accredited this laboratory (HOKLAS 005 – TEST) under HOKLAS for specific laboratory activities as listed in the HOKLAS directory of accredited laboratories. Report No.: 15061034HKG-001 iv FCC ID: OTM-8437115-24GTX Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong. Tel: (852) 2173 8888 Fax: (852) 2785 5487 Website: www.hk.intertek-etlsemko.com Table of Contents 1.0 General Description.............................................................................................. 1 1.1 Product Description ............................................................................................. 1 1.2 Related Submittal(s) Grants................................................................................. 1 1.3 Test Methodology ................................................................................................ 1 1.4 Test Facility ......................................................................................................... 1 2.0 System Test Configuration ................................................................................... 2 2.1 Justification.......................................................................................................... 2 2.2 EUT Exercising Software..................................................................................... 2 2.3 Special Accessories ............................................................................................ 2 2.4 Measurement Uncertainty.................................................................................... 2 2.5 Support Equipment List and Description.............................................................. 2 3.0 Emission Results .................................................................................................. 3 3.1 Field Strength Calculation.................................................................................... 3 3.2 Radiated Emission Configuration Photograph ..................................................... 4 3.3 Radiated Emission Data ...................................................................................... 4 4.0 Equipment Photographs ....................................................................................... 8 5.0 Product Labelling .................................................................................................. 8 6.0 Technical Specifications ...................................................................................... 8 7.0 Instruction Manual ................................................................................................ 8 8.0 Miscellaneous Information ................................................................................... 9 8.1 Radiated Emission on the Bandedge................................................................... 9 8.2 Discussion of Pulse Desensitization .................................................................. 10 8.3 Calculation of Average Factor............................................................................ 10 8.4 Emissions Test Procedures ............................................................................... 12 9.0 Equipment List .................................................................................................... 15 Issuing Laboratory: Intertek Test…

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Test Setup Photos

INTERTEK TESTING SERVICE Report No: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Configuration Photographs Worst-Case Radiated Emissions (Front View) Model : 84371 INTERTEK TESTING SERVICE Report No: 15061034HKG-001 FCC ID: OTM-8437115-24GTX Configuration Photographs Worst-Case Radiated Emissions (Back View) Model : 84371

Contact Information

Applicant

Eric Ho
[email protected]89865656Fax: 85695678

Technical Contact

Intertek Testing Services Hong Kong Ltd.Terry Chan
[email protected](852) 2173 8888

2/F Garment Centre · Hong Kong

Non-Technical Contact

Intertek Testing Services Hong Kong Ltd.Terry Chan
[email protected](852) 2173 8888

Test Firm

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

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz-

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