Test Report

FCC ID: RNKDS-2038

Test Report

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FCCID_394169

FCC PART 15.227 EMI MEASUREMENT AND TEST REPORT For Eastern Times Technology Co., Ltd Rm2003C,Qunxing Plaza,Huaqiang Rd.(N),Futian District,Shenzhen,China FCC ID: RNKDS-2038 2004 -1-14 This Report Concerns: Equipment Type: Original Report Transmitter, Wireless Mouse Test Engineer: Ling Zhang Report No.: R0312311(T) Test Date: 2004-01-06 Reviewed By: Ming Jing Prepared By: Bay Area Compliance Laboratory Corporation 230 Commercial Street Sunnyvale, CA 94085 Tel: (408) 732-9162 Fax: (408) 732-9164 Note: This test report is specially limited to the above client company and product model only. It may not be duplicated without prior written consent of Bay Area Compliance Laboratory Corporation. This report must not be used by the client to claim product endorsement by NVLAP or any agency of the U.S. Government.

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 TABLE OF CONTENTS GENERAL INFORMATION ...................................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ...............................................................................................3 OBJECTIVE .......................................................................................................................................................................................3 RELATED SUBMITTAL(S)/GRANT (S) ............................................................................................................................................3 TEST METHODOLOGY ....................................................................................................................................................................3 TEST FACILITY................................................................................................................................................................................3 SYSTEM TEST CONFIGURATION........................................................................................................................................ 5 JUSTIFICATION ................................................................................................................................................................................5 SCHEMATICS AND BLOCK DIAGRAM...........................................................................................................................................5 EQUIPMENT M ODIFICATIONS........................................................................................................................................................5 TEST SETUP CONFIGURATION.......................................................................................................................................................5 SUMMARY OF TEST RESULTS .............................................................................................................................................. 6 §15.203 - ANTENNA REQUIREMENT ................................................................................................................................... 7 STANDARD APPLICABLE................................................................................................................................................................7 A NTENNA CONNECTED CONSTRUCTION .....................................................................................................................................7 §15.205, §15.209, §15.227(B) - RADIATED EMISSIONS TEST....................................................................................... 8 M EASUREMENT UNCERTAINTY....................................................................................................................................................8 EUT SETUP ......................................................................................................................................................................................8 SPECTRUM A NALYZER SETUP ......................................................................................................................................................8 TEST EQUIPMENT LIST AND DETAILS..........................................................................................................................................9 TEST PROCEDURE ...........................................................................................................................................................................9 CORRECTED AMPLITUDE & M ARGIN CALCULATION .............................................................................................................11 SUMMARY OF TEST RESULTS......................................................................................................................................................11 RADIATED EMISSIONS TEST RESULT DATA .............................................................................................................................12 §15.227(B) - OUT OF BAND EMISSION...............................................................................................................................13 Report # R0312311T Page 2 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 GENERAL INFORMATION Product Description for Equipment Under Test (EUT) The Eastern Times’s product, model number: DS-2038 or the "EUT" as referred to in this report is a Wireless Mouse Transmitter. The EUT is measured approximately 125mm L x 61mm W x 37mm H. * The test data gathered are from production sample, serial number: 20381, provided by the manufacturer. Objective This Type approval report is prepared on behalf of Eastern Times in accordance with Part 2, Subpart J, and Part 15, Subparts A and B of the Federal Communication Commissions rules. The objective is to determine compliance with FCC rules, sec 15.209 and sec 15.227. Related Submittal(s)/Grant(s) No Related Submittals. Test Methodology All measurements contained in this report were conducted with ANSI C63.4-2001, American National Standard for Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and Electronic Equipment in the range of 9 kHz to 40 GHz. All radiated and conducted emissions measurement was performed at Bay Area Compliance Laboratory, Corp. The radiated testing was performed at an antenna-to-EUT distance of 3 meters. Test Facility The Open Area Test site used by Bay Area Compliance Laboratory Corporation to collect radiated and conducted emission measurement data is located in the back parking lot of the building at 230 Commercial Street, Sunnyvale, California, USA. Test site at Bay Area Compliance Laboratory Corporation has been fully described in reports submitted to the Federal Communication Commission (FCC) and Voluntary Control Council for Interference (VCCI). The details of these reports has been found to be in compliance with the requirements of Section 2.948 of the FCC Rules on February 11 and December 10, 1997 and Article 8 of the VCCI regulations on December 25, 1997. The facility also complies with the radiated and AC line conducted test site criteria set forth in ANSI C63.4-2001. The Federal Communications Commission and Voluntary Control Council for Interference has the reports on file and is listed under FCC file 31040/SIT 1300F2 and VCCI Registration No.: C-1298 and R-1234. The test site has been approved by the FCC and VCCI for public use and is listed in the FCC Public Access Link (PAL) database. Report # R0312311T Page 3 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 Additionally, Bay Area Compliance Laboratory Corporation is a National Institute of Standards and Technology (NIST) accredited laboratory, under the National Voluntary Laboratory Accredited Program (NVLAP). The scope of the accreditation covers the FCC Method - 47 CFR Part 15 - Digital Devices, CISPR 22: 1997, and AS/NZS 3548: Electromagnetic Interference - Limits and Methods of Measurement of Information Technology Equipment test methods under NVLAP Lab Code 200167-0. Report # R0312311T Page 4 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 SYSTEM TEST CONFIGURATION Justification The EUT was configured for testing according to ANSI C63.4-2001. Schematics and Block Diagram Please refer to Appendix D. Equipment Modifications No modifications were made to the EUT. Test Setup Configuration Mouse Transmitter Report # R0312311T Page 5 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 SUMMARY OF TEST RESULTS Results reported relate only to the product tested, serial number: 20381. FCC RULES DESCRIPTION OF TEST RESULT §15.203 Antenna requirement Compliant §15.205 Restricted Band Compliant §15.209 Radiated Emission Limit Compliant §15.207 Conducted Compliant §15.227 Frequency of Operation Compliant §15.227(a) Field Strength Compliant §15.227(b) Band Edge Compliant Report # R0312311T Page 6 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 §15.203 - ANTENNA REQUIREMENT Standard Applicable According to § 15.203, an intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. Refer to statement below for compliance. “The antenna for this device is an integral antenna that the end user cannot access. Furthermore the device is for outdoor use as detailed in the Users Manual and Operational Description”. Antenna Connected Construction The antenna connector is designed with permanent attachment and no consideration of replacement. Report # R0312311T Page 7 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 §15.205, §15.209, §15.227(b) - RADIATED EMISSIONS TEST Measurement Uncertainty All measurements involve certain levels of uncertainties, especially in field of EMC. The factors contributing to uncertainties are spectrum analyzer, cable loss, antenna factor calibration, antenna directivity, antenna factor variation with height, antenna phase center variation, antenna factor frequency interpolation, measurement distance variation, site imperfections, mismatch (average), and system repeatability. Based on NIS 81, The Treatment of Uncertainty in EMC Measurements, the best estimate of the uncertainty of a radiation emissions measurement at BACL is +4.0 dB. The fundamental data was recorded in average detection mode: set the VBW AVE on, then record the data. EUT Setup The radiated emission tests were performed in the open area 10-meter test site, using the setup accordance with the ANSI C63.4-2001. The specification used was the FCC Part 15 Subpart C limits. Spectrum Analyzer Setup According to FCC Rules, 47 CFR 15.33, the EUT emissions were investigated from 27 to 1000 MHz. During the radiated emission test, the spectrum analyzer was set with the following configurations: Frequency Range RBW Video B/W Below 30MHz 10kHz 10kHz 30 – 1000MHz 100kHz 100kHz Above 1000MHz 1MHz 1MHz Report # R0312311T Page 8 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 Test Equipment List and Details Manufacturer Description Model Serial Number Cal. Date HP Amplifier (0.1-1300MHz) 8447E 2944A10187 2003-09-23 HP Spectrum Analyzer 8565EC 3946A00131 2003-06-30 EMCO Biconical Antenna 3110B 9309-1165 2003-10-11 ETS Logperiodic Antenna 3148 0004-1155 2003-10-11 COM-Power Loop Antenna AL-130 17043 2003-04-03 * Statement of Traceability: BACL Corp. certifies that all calibrations have been performed in accordance to NVLAP requirements, traceable to the NIST. Test Procedure Maximizing procedure was performed on the six (6) highest emissions in the described configurations. According to FCC rules 15.33 (c) and ANSI C63.4-2001 Annex I.4, when average detector function limits are specified for a pulse-modulated transmitter, the average level of emission may be found by measuring the peak level of the emissions and correcting them with the duty cycle as follows: 1) Turn on the transmitter, and set it to transmit the pulse train continuously. 2) Tune a spectrum analyzer to the transmitter, carrier frequency, and set the spectrum analyzer resolution bandwidth wide enough to encompass all significant spectral components. The video bandwidth should be at least as wide as the resolution bandwidth. 3) Set the spectrum analyzer vertical scale (amplitude) to the linear mode and the analyzer frequency scan to 0Hz. 4) Calculate the duty cycle = Tx on / (Tx on + Tx off) = 71.39 / 152.26 = 49% 5) Multiply the peak-detector field strength (expressed in uV/m) of an emission from a transmitter using pulsed modulation by the duty cycle just measured to determine the average detector field strength of that emission for comparison to the average detector limit. Please refer to the plots in next page for duty cycle. Other data was recorded in the peak detection mode. Quasi-peak readings was performed only when an emission was found to be marginal (within -4 dBµV of specification limits), and are distinguished with a "Qp" in the data table. Report # R0312311T Page 9 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 Report # R0312311T Page 10 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 Corrected Amplitude & Margin Calculation The Corrected Amplitude is calculated by adding the Antenna Factor and Cable Factor, and subtracting the Amplifier Gain from the Amplitude reading. The basic equation is as follows: Corr. Ampl. = Indicated Reading + Antenna Factor + Cable Factor - Amplifier Gain The “Margin” column of the following data tables indicates the degree of compliance with the applicable limit. For example, a margin of -7dBµV means the emission is 7dBµV below the maximum limit for Class B. The equation for margin calculation is as follows: Margin = Corr. Ampl. - Limit Summary of Test Results According to the final data in following table, the EUT complied with the FCC 15.227 and FCC 15.209 standards, and had the worst margin of: -43.57µ V/m at 54.09 MHz in the Vertical polarization Environmental Conditions Temperature: 13° C Relative Humidity: 50% ATM Pressure: 1095 mbar Report # R0312311T Page 11 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 Radiated Emissions Test Result Data CORRECTED INDICATED TABLE A NTENNA CORRECTION FACTOR FCC SUBPART C A MPLITUDE Amp Corr. Frequency Ampl. Angle Height Polar Antenna Cable Limit Margin . Ampl. dBµV dBµV/ MHz Degree Meter H/ V dB dB dBµV/m µV/m µV/m µV/m /m m 54.09 52.3 30 1.2 V 11 1.0 28.8 35.03 56.43 100 -43.57 Peak 54.09 50.5 30 1.5 H 11 1.0 28.8 33.20 45.71 100 -54.29 Peak 81.14 45.2 0 1.0 V 9.6 1.4 28.7 27.50 23.71 100 -76.29 Peak 81.14 44.1 330 1.2 H 9.6 1.4 28.7 26.40 20.89 100 -79.11 Peak 270.42 48.0 0 1.4 H 14 5.2 27.8 39.30 92.26 200 -107.74 Peak 162.26 45.7 15 1.5 H 13 1.6 28.2 32.30 41.21 150 -108.79 Peak 297.49 46.5 15 1.4 V 15 5.1 27.8 38.70 86.10 200 -113.90 Peak 189.30 41.5 0 1.6 H 14 3.9 28.2 31.00 35.48 150 -114.52 Peak 108.18 45.1 30 1.4 V 11 1.4 28.6 29.30 29.17 150 -120.83 Peak 216.34 48.8 0 1.4 H 13 4.7 28.2 37.83 77.89 200 -122.11 Peak 135.20 40.8 0 1.2 V 13 1.8 28.6 26.90 22.13 150 -127.87 Peak 324.54 42.5 0 1.5 V 16 2.8 27.8 33.00 44.67 200 -155.33 Peak 351.59 39.3 15 1.2 V 16 4.3 28.3 30.83 34.79 200 -165.21 Peak 378.57 36.5 0 1.4 H 16 5.3 28.3 29.30 29.17 200 -170.83 Peak 432.73 36.4 0 1.3 H 18 2.9 28.3 28.50 26.61 200 -173.39 Peak 243.39 41.3 15 1.3 V 13 2.3 28.2 28.03 25.21 200 -174.79 Peak 405.67 35.7 15 1.0 V 17 2.9 28.3 26.77 21.80 200 -178.20 Peak 459.77 33.3 30 1.0 V 18 3.2 28.9 25.43 18.69 200 -181.31 Peak 486.81 32.8 330 1.3 H 19 2.5 28.9 25.13 18.05 200 -181.95Peak 27.05 Ave = Peak * Duty cycly = 566.89*0.47=266.44 266.44 10000 -9733.56 27.05 Ave = Peak * Duty cycly = 323.59*0.47=152.09 152.09 10000 -9847.91 27.05 67.7 0 1.3 V 15 0.8 28.7 55.07 566.89 100000 -99433.11 27.05 62.8 15 1.5 H 15 0.8 28.7 50.20 323.59 100000 -99676.41 NOTES: 1) FUND: =Fundamental, AVE: = Average 2) Pulsed modulation average measurement, see page 9 The mouse transmitter was placed in continuous transmit mode for all tests. The EUT was tested in all 3 orthogonal planes. Report # R0312311T Page 12 of 13 FCC ID Per 15.227 Report

Eastern Times Technology Co., Ltd FCC ID: RNKDS-2038 §15.227(b) - Out of Band Emission The result has been complied with the 15.227(b), see the following plot: Report # R0312311T Page 13 of 13 FCC ID Per 15.227 Report


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Document Modified: 2019-10-22 18:37:20
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