J7I-420985-27TXRC Car

27.145 MHz Oscillator X1, Q1

FCC ID: J7I-420985-27TX Ophoto1 Ophoto2 FCC ID: J7I-420985-27TX Ophoto3

Project: Mighty Helmet Racers Date: 18-June-05 FCC ID: J7I-420985-27TX 17mm 4mm Label Size: 17MM x 4MM Label Size: 17MM x 4MM Label Size: 17MM x 4MM Project: Mighty Helmet Racers Date: 18-June-05 33 mm 11mm

FCC ID: J7I-420985-27TX Iphoto1 Iphoto2 FCC ID: J7I-420985-27TX Iphoto3 Iphoto4

FCC ID: J7I-420985-27TX Technical Description : The brief circuit description is listed as follows : - X1, Q1 and associated circuit act as 27.145 MHz Oscillator. - Q2 and associated circuit act as RF Mixer and RF Power Amplifier. - IC1 and associated circuit act as Encoder. - K1 ~ K4 and associated circuit act as Control Keys. Antenna Used : A permanent integral 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 : J7I-420985-27TX Yick Shun Electronic Toys Manufactory Limited Application For Certification (FCC ID: J7I-420985-27TX) Transmitter Sample Description : Mighty Helmet Racer Radio Control Football Game Gift Set Model : MHR05001/JJJ05001 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 [12-8-2003] 0509347 WL/at June 23, 2005 INTERTEK TESTING SERVICES FCC ID: J7I-420985-27TX 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: J7I-420985-27TX ii MEASUREMENT/TECHNICAL REPORT Yick Shun Electronic Toys Manufactory Limited - MODEL: MHR05001/JJJ05001 FCC ID: J7I-420985-27TX June 23, 2005 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 [12-8- 2003 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: J7I-420985-27TX 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 ....................................................................................... 15 5.0 Product Labelling .................................................................................................. 17 6.0 Technical Specifications....................................................................................... 19 7.0 Instruction Manual ................................................................................................ 21 8.0 Miscellaneous Information................................................................................... 23 8.1 Measured Bandwidth......................................................................................... 24 8.2 Discussion of Pulse Desensitization................................................................... 25 8.3 Calculation of Average Factor............................................................................ 26 8.4 Emission Test Procedures ................................................................................ 27 8.4 Emission Test Procedures (Cont’d).................................................................... 28 INTERTEK TESTING SERVICES FCC ID: J7I-420985-27TX iv List of attached file Exhibit type File Description filename Test Report Test Report report.pdf Operation Description Technical Description descri.pdf Test Setup Photo Radiated Emission radiated photos.doc Test Report Bandwidth Plot bw.pdf External Photo External Photo external photos.doc Internal Photo Internal Photo internal photos.doc Block Diagram Block Diagram block.pdf Schematics Circuit Diagram circuit.pdf ID Label/Location Label Artwork and Location label.pdf User Manual User Manual manual.pdf Test Report Average Factor af.pdf INTERTEK TESTING SERVICES FCC ID: J7I-420985-27TX 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: J7I-420985-27TX 2 1.0 General Description 1.1 Product Description The equipment under t…

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