KTU-4009-RC01RC School Bus

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FCC ID: KTU-4009-RC01 Technical Description : The brief circuit description is listed as follows : RF Portion : - Q1 and associated circuit act as a Modulator & Po Amp. - Q2, Y1 and associated circuit act as a RF Oscillator. - U1 and associated circuit act as AF Oscillator and Encoder. - C1, C2 and T1 and associated circuit act as a Harmonic Filter. Sound Portion : - U1 and associated circuit act as Sound IC. - Q3 - Q7 and associated circuit act as a Audio Po Amp. - Q8 - Q9 and associated circuit act as a Flash Light Driver. Antenna Used : A permanent internal wire antenna has been used.

•The test results reported in this report shall refer only to the sample actually tested and shall not refer or be deemed to refer to bulk from which such a sample may be said to have been obtained. •This report shall not be reproduced except in full without prior authorization from Intertek Testing Services Hong Kong Limited. •The evaluation data of the report will be kept for 3 years from the date of issuance. FCC ID : KTU-4009-RC01 Supertoys Industrial Company Ltd. Application For Certification (FCC ID: KTU-4009-RC01) Transmitter, Model : 4009 We hereby certify that the sample of the above item is considered to comply with the requirements of FCC Part 15, Subpart C for Intentional Radiator, mention 47 CFR [24-5-2001] WO# 0210685 WN/at August 13, 2002 INTERTEK TESTING SERVICES FCC ID: KTU-4009-RC01 i LIST OF EXHIBITS INTRODUCTION EXHIBIT 1:General Description EXHIBIT 2:System Test Configuration EXHIBIT 3:Emission Results EXHIBIT 4:Equipment Photographs EXHIBIT 5:Product Labelling EXHIBIT 6:Technical Specifications EXHIBIT 7:Instruction Manual EXHIBIT 8:Miscellaneous Information INTERTEK TESTING SERVICES FCC ID: KTU-4009-RC01 ii MEASUREMENT/TECHNICAL REPORT Supertoys Industrial Company Ltd. - MODEL: 4009 FCC ID: KTU-4009-RC01 August 13, 2002 This report concerns (check one:)Original Grant X Class II Change Equipment Type: Low Power Transmitter (example: computer, printer, modem, etc.) Deferred grant requested per 47 CFR 0.457(d)(1)(ii)?Yes No X If yes, defer until: date Company Name agrees to notify the Commission by: date of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37?Yes No X If no, assumed Part 15, Subpart C for intentional radiator - the new 47 CFR [24-5-2001 Edition] provision. Report prepared by:Wilbur Ng Intertek Testing Services 2/F., Garment Center, 576, Castle Peak Road, HONG KONG Phone:852-2173-8502 Fax:852-2742-9149 INTERTEK TESTING SERVICES FCC ID: KTU-4009-RC01 iii Table of Contents 1.0 General Description....................................................................................................................2 1.1 Product Description................................................................................................................2 1.2 Related Submittal(s) Grants....................................................................................................2 1.3 Test Methodology...................................................................................................................3 1.4 Test Facility..............................................................................................................................3 2.0 System Test Configuration.........................................................................................................5 2.1 Justification..............................................................................................................................5 2.2 EUT Exercising Software........................................................................................................5 2.3 Special Accessories.................................................................................................................5 2.4 Equipment Modification.........................................................................................................6 2.5 Support Equipment List and Description..............................................................................6 3.0 Emission Results.........................................................................................................................8 3.1 Field Strength Calculation......................................................................................................9 3.1 Field Strength Calculation (cont’d)......................................................................................10 3.2 Radiated Emission Configuration Photograph....................................................................11 3.3 Radiated Emission Data........................................................................................................12 4.0 Equipment Photographs..........................................................................................................16 5.0 Product Labelling......................................................................................................................18 6.0 Technical Specifications...........................................................................................................20 7.0 Instruction Manual...................................................................................................................22 8.0 Miscellaneous Information.......................................................................................................24 8.1 Measured Bandwidth............................................................................................................25 8.2 Discussion of Pulse Desensitization.....................................................................................26 8.3 Calculation of Average Factor..............................................................................................27 8.4 Emission Test Procedures ....................................................................................................28 8.4 Emission Test Procedures (Cont’d).....................................................................................29 INTERTEK TESTING SERVICES FCC ID: KTU-4009-RC01 iv List of attached file Exhibit typeFile Descriptionfilename Test ReportTest Reportreport.pdf Operation DescriptionTechnical Descriptiondescri.pdf Test Setup PhotoRadiated Emissionradiated photos.pdf Test ReportBandwidth Plotbw.pdf External PhotoExternal Photoexternal photos.pdf Internal PhotoInternal Photointernal photos.pdf Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locatio…

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