OQH-INOX-2000-003Temp./Humidity TX

Chung's Electronic Company, Ltd. Application For Certification (FCC ID: OQH-INOX-2000-003) Transmitter WO# 9910141 WN/at November 4, 1999 INTERTEK TESTING SERVICES FCC ID: OQH-INOX-2000-003 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: OQH-INOX-2000-003 ii MEASUREMENT/TECHNICAL REPORT Chung's Electronic Company, Ltd. - MODEL: C-815 (Transmitter) FCC ID: OQH-INOX-2000-003 November 4, 1999 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 [10-1-96 Edition] provision. Report prepared by:Wilbur Ng Intertek Testing Services 2/F., Garment Center, 576, Castle Peak Road, HONG KONG Phone: 852-2713-8502 Fax:852-2745-8306 INTERTEK TESTING SERVICES FCC ID: OQH-INOX-2000-003 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 ...................................................................... 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 Emissions Test Procedures.................................................................................................... 27 INTERTEK TESTING SERVICES FCC ID: OQH-INOX-2000-003 iv List of attached file Exhibit typeFile Descriptionfilename Cover LetterLetter of Agencyletter.pdf Test ReportTest Reportreport.doc Operation DescriptionTechnical Descriptiondescri.pdf Test Setup PhotoRadiated Emissionradiated1.jpg, radiated2.jpg Test ReportBandwidth Plotbw.pdf External PhotoExternal Photoophoto1.jpg to ophoto2.jpg Internal PhotoInternal Photoiphoto1.jpg to iphoto2.jpg Block DiagramBlock Diagramblock.pdf SchematicsCircuit Diagramcircuit.pdf ID Label/LocationLabel Artwork and Locationlabel.pdf User ManualUser Manualmanual.pdf INTERTEK TESTING SERVICES FCC ID: OQH-INOX-2000-003 1 EXHIBIT 1 GENERAL DESCRIPTION INTERTEK TESTING SERVICES FCC ID: OQH-INOX-2000-003 2 1.0General Description 1.1Product Description The Equipment Under Test (EUT) is a transmitter operating at 433 MHz. The EUT is powered by 3.0V (2 x "AAA" batteries). This EUT transmits outdoor temperature and humidity data at 433 MHz to weather station. It can measure the outdoor temperature and humidity automatically. It consists of a LCD display which can show time, temperature and humidity, a wall-mounted bracket and a “test mode” function. This EUT has periodic transmission at regular predetermined intervals with the duration of each transmission less than 1 sec and silent pe…

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