MVARS970-001RCordless FM Stereo Headphone System

• The test results reported in this test 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 FCC ID: MVARS970-001R Uni-Art Precise Products Ltd. Application For Certification (FCC ID: MVARS970-001R) Superheterodyne Receiver WO# 9811025 CKL/at January 25, 1999 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 INTERTEK TESTING SERVICES FCC ID: MVARS970-001R ii MEASUREMENT/TECHNICAL REPORT Uni-Art Precise Products Ltd. - MODEL: JVC HA-W300RF FCC ID: MVARS970-001R This report concerns (check one:)Original Grant X Class II Change Equipment Type: Superheterodyne Receiver (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 B for unintentional radiator - the new 47 CFR [10-1-96 Edition] provision. Report prepared by:K. W. Lam Intertek Testing Services Hong Kong Ltd. 2/F., Garment Centre, 576, Castle Peak Road, Kowloon, Hong Kong Phone:852-746-8520 Fax:852-785-5487 INTERTEK TESTING SERVICES FCC ID: MVARS970-001R 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 3.2 Radiated Emission Configuration Photograph ...................................................................... 10 3.3 Radiated Emission Data ........................................................................................................ 11 4.0 Equipment Photographs........................................................................................................ 14 5.0 Product Labelling................................................................................................................... 16 6.0 Technical Specifications......................................................................................................... 18 7.0 Instruction Manual................................................................................................................ 21 8.0 Miscellaneous Information.................................................................................................... 23 INTERTEK TESTING SERVICES FCC ID: MVARS970-001R iv List of attached file Exhibit typeFile Descriptionfilename Cover LetterLetter of Agencyletter.pdf Test ReportTest Reportreport.doc Test Setup PhotoRadiated Emissionradiated.jpg External PhotoExternal Photoophoto1.jpg, ophoto2.jpg Internal PhotoInternal Photoiphoto1.jpg to iphoto6.jpg Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locationlabel.pdf User ManualUser Manualmanual.pdf INTERTEK TESTING SERVICES FCC ID: MVARS970-001R 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: MVARS970-001R 2 1.0General Description 1.1Product Description The equipment under test (EUT) is a receiver portion of a cordless headphone system operating at 911.7 - 913.3 MHz. The EUT is powered by two 1.2V rechargeable batteries. Once it is turned on, it receives the RF audio signal which is transmitted from the transmitter portion of the cordless headphone system. There are two knob on the EUT which is used to tune the operating frequency and volume control. The brief circuit description is attached in the following pages. - IC 1 and associated circuit act as RF amplifier, mixer and local oscillator. - IC 2, VR 2 and associated circuit act as regulator. - IC 3 and associated circuit act as audio amplifier. The following is contained in the UHF module: - L 101, C 101, L 102 and L 102 and C 102 act as an RF input network. - Q 101 and the associated circuit act as an UHF pre-amplifier. - Q 103 and associated circuit act as a local oscillator. - Q 102 and associated…

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