GZHH00352444-001
terry.tang
Test Report
Shantou chenghai district dachang toy technology co.LTD DC097 Remote control car 2AWTCDC097 2AWTCDC097 dc097
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Document DEVICE REPORTGetApplicationAttachment.html?id=4828516Shantou chenghai district dachang toy technology co.LTD TEST REPORT SCOPE OF WORK RF TESTINGDC097 REPORT NUMBER GZHH00352444-001 ISSUE DATE Jul 23, 2020 PAGES 16 DOCUMENT CONTROL NUMBER FCC ID_b-227 © 2017 INTERTEK Test Report Intertek Report No.: GZHH00352444-001 Shantou chenghai district dachang toy technology co.LTD Application For Certification FCC ID: 2AWTCDC097 Product Name: Remote control car Model: DC097 Additional Models: See page 5 Transmitter Report No.: GZHH00352444-001 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 [10-1-19] Prepared and Checked by: Sign on file Terry Tang Assistant Supervisor Approved by: Digitally signed by Jimmy Wen Location: Intertek Testing Services Jimmy Wen Assistant Manager Date: Jul 23, 2020 · 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 is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to copy or distribute this report. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results referenced from this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. · For Terms And Conditions of the services, it can be provided upon request. · The evaluation data of the report will be kept for 3 years from the date of issuance. Intertek Testing Services Shenzhen Ltd. Longhua Branch 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community GuanHu Subdistrict, LongHua District, Shenzhen, People's Republic of China Tel: (86 755) 8601 6288 Fax: (86 755) 8601 6751 Version: 01 November 2017 Page: 1 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 GENERAL INFORMATION Shantou chenghai district dachang toy technology co.LTD MODEL: DC097 FCC ID: 2AWTCDC097 Grantee: Grantee Address: Contact Person: Tel: Manufacturer: Manufacturer Address: Model: Type of EUT: Description of EUT: Serial Number: FCC ID : Date of Sample Submitted: Date of Test: Report No.: Report Date: Environmental Conidtions: Shantou chenghai district dachang toy technology co.LTD The Fourth Building Of Jialong Co.LTD., Fengxin Road, Chenghai,Shantou City China George Gao 13750464600 Shantou chenghai district dachang toy technology co.LTD The Fourth Building Of Jialong Co.LTD., Fengxin Road, Chenghai,Shantou City China DC097 Transmitter Remote control car N/A 2AWTCDC097 Jan 17, 2020 Feb 28, 2020 GZHH00352444-001 Jul 23, 2020 Temperature: +10 to 40°C Humidity: 10 to 90% Version: 01 November 2017 Page: 2 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 SUMMARY OF TEST RESULT Shantou chenghai district dachang toy technology co.LTD MODEL: DC097 FCC ID: 2AWTCDC097 TEST SPECIFICATION Maximum Peak Output Power Hopping Channel Carrier Frequencies Separation (for 2.4GHz Digital) 20dB Bandwidth of the Hopping Channel Number of Hopping Frequencies Average Time of Occupancy of Hopping Frequency Anteann Conducted Spurious Emissions Radiated Spurious Emissions RF Exposure Compliance Transmitter Power Line Conducted Emissions Transmitter Field Strength (for 27MHz) Transmitter Field Strength (for 40MHz) Transmitter Field Strength, Bandwidth and Timing Requirement (for Remote Control) Transmitter Field Strength, Bandwidth and Timing Requirement (for 433MHz) Transmitter Field Strength and Bandwidth Requirement(for 88-108MHz) Transmitter Field Strength and Bandwidth Requirement(for 902928MHz or 2.4GHz) Transmitter Field Strength and Bandwidth Requirement (for 49MHz) Receiver / Digital Device Radiated Eissions Digital Device Conducted Emissions REFERENCE RESULTS 15.247(b), (c) / RSS-210 A8.4 N/A 15.247(e) / RSS-210 A8.1 N/A 15.247(a) / RSS-210 A8.1 N/A 15.247(e) / RSS-210 A8.1 N/A 15.247(e) / RSS-210 A8.1 N/A 15.247(d) / RSS-210 A8.5 N/A 15.247(d) / RSS-210 A8.5 N/A 15.247(i) / RSS-Gen 5.5 N/A 15.207 / RSS-Gen 7.2.2 N/A 15.227 / RSS-310 3.8 15.229 / RSS-210 A2.7 15.231(a) / RSS-210 A1.1.1 Pass N/A N/A 15.231(e) / RSS-210 A1.1.5 N/A 15.239 / RSS-210 A2.8 N/A 15.249 / RSS-210 A2.9 N/A 15.235 / RSS-310 3.9 N/A 15.109 / ICES-003 N/A 15.107 / ICES-003 N/A Note: 1. The EUT uses an integral antenna, in accordance to section 15.203, is considered sufficient to comply with the provisions of this section. 2. Pursuant to FCC part 15 Section 15.215(c), the 20 dB bandwidth of the emission was contained within the frequency band designated (mentioned as above) which the EUT operated. The effects, if any, from frequency sweeping, frequency hopping, other modulation techniques and frequency stability over excepted variations in temperature and supply voltage were considered. Version: 01 November 2017 Page: 3 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 Table of Contents 1.0 1.1 1.3 1.4 2.1 2.2 2.3 2.4 2.5 3.0 3.1 3.2 3.3 4.0 5.0 6.0 7.0 8.0 8.1 8.2 8.3 8.4 8.4 General Description ..................................................................................................................................... 5 Product Description .................................................................................................................................... 5 Test Methodology ....................................................................................................................................... 5 Test Facility ................................................................................................................................................. 5 Justification.................................................................................................................................................. 6 EUT Exercising Software...........................................................................................................................6 Special Accessories ................................................................................................................................... 6 Equipment Modification.............................................................................................................................. 6 Support Equipment List and Description..................................................................................................6 Emission Results..........................................................................................................................................7 Field Strength Calculation..........................................................................................................................7 Radiated Emission Configuration Photograph.........................................................................................8 Radiated Emission Data ............................................................................................................................ 8 Equipment Photographs ........................................................................................................................... 10 Product Labelling ....................................................................................................................................... 10 Technical Specifications ........................................................................................................................... 10 Instruction Manual......................................................................................................................................10 Miscellaneous Information ....................................................................................................................... 10 Measured Bandwidth.............................................................................................................................11 Discussion of Pulse Desensitization ....................................................................................................... 12 Calculation of Average Factor ................................................................................................................. 12 Emissions Test Procedures.....................................................................................................................15 Emissions Test Procedures (cont'd) ....................................................................................................... 16 Version: 01 November 2017 Page: 4 of 16 FCC ID_b-227 Test Report 1.0 General Description Intertek Report No.: GZHH00352444-001 1.1 Product Description The equipment under test (EUT) is a transmitter for a Remote control car operating at 27.145 MHz which is controlled by a crystal. The EUT is powered by two 1.5V AA batteries. For more detail information pls. refer to the user manual. The Models: DC255,DC191,DC191A,DC192,DC192A,DC193,DC193A,DC194, DC194A,DC195,DC195A,DC256,DC257,DC258,DC258A,DC832,DC920,DC25 5-257,DC1305,DC1306,DC1308,DC1308A,DC250,DC250A,DC252,DC707, DC717,DC717A,DC727,DC727A,DC737,DC747,DC747A,DC767,DC767A,DC7 77,DC777A,DC097A,DC098,DC098A,DC099,DC099A,INT2704,DC196,DC196 A,DC197,DC197A,DC198,DC198A,DC199,DC199A are the same as the Model: DC097 in hardware and electrical aspect. The difference in appearance and model number serves as marketing strategy. Antenna Type: integral antenna Type of modulation: Pulse modulation For electronic filing, the brief circuit description is saved with filename: descri.pdf. 1.2 Related Submittal(s) Grants This is an application for certification of a controller unit for the Remote control car, and there is no related application. 1.3 Test Methodology Radiated emission measurements were performed according to the procedures in ANSI C63.10 (2013). Radiated Emission measurement was performed in a Semi-anechoic chamber. Preliminary scans were performed in the Semi-anechoic chamber only to determine worst case modes. All Radiated tests were performed at an antenna to EUT distance of 3 meters, unless stated otherwise in the "Justification Section" of this Application. 1.4 Test Facility The Semi-anechoic chamber and shielding room used to collect the radiated data and conducted data are Intertek Testing Services Shenzhen Ltd. Longhua Branch and located at 101, 201, Building B, No. 308 Wuhe Avenue, Zhangkengjing Community GuanHu Subdistrict, LongHua District, Shenzhen, People's Republic of China. This test facility and site measurement data have been fully placed on file with File Number: CN1188. Version: 01 November 2017 Page: 5 of 16 FCC ID_b-227 Test Report 2.0 System Test Configuration Intertek Report No.: GZHH00352444-001 2.1 Justification The system was configured for testing in a typical fashion (as a customer would normally use it), and in the confines as outlined in ANSI C63.10 (2013). The EUT was powered by two new 1.5V AA batteries during test. For maximizing emissions below 30 MHz, the EUT was rotated through 360°, the centre of the loop antenna was placed 1 meter above the ground, and the antenna polarization was changed. For maximizing emission at and above 30 MHz, the EUT was rotated through 360°, the antenna height was varied from 1 meter to 4 meters above the ground plane, and the antenna polarization was changed. This step by step procedure for maximizing emissions led to the data report in Exhibit 3.0. The unit was operated standalone and placed in the centre of the turntable. The equipment under test (EUT) was configured for testing in a typical fashion (as a customer would normally use it). The EUT was mounted to a plastic stand if necessary and placed on the polystyrene turntable, which enabled the Senior Engineer to maximize emissions through its placement in the three orthogonal axes. 2.2 EUT Exercising Software There was no special software to exercise the device. Once the unit is powered up, it can transmit the RF signal continuously. 2.3 Special Accessories There are no special accessories necessary for compliance of this product. 2.4 Equipment Modification Any modifications installed previous to testing by Shantou chenghai district dachang toy technology co.LTD will be incorporated in each production model sold/leased in the United States. No modifications were installed by Intertek Testing Services Shenzhen Ltd. Longhua Branch. 2.5 Measurement Uncertainty When determining of the test conclusion, the Measurement Uncertainty of test has been considered. 2.6 Support Equipment List and Description N/A. Version: 01 November 2017 Page: 6 of 16 FCC ID_b-227 Test Report 3.0 Emission Results Intertek Report No.: GZHH00352444-001 Data is included of the worst case configuration (the configuration which resulted in the highest emission levels). A sample calculation, configuration photographs and data tables of the emissions are included. 3.1 Field Strength Calculation The field strength is calculated by adding the Antenna Factor and Cable Factor, and subtracting the Amplifier Gain (if any), Average Factor (optional) from the measured reading. The basic equation with a sample calculation is as follows: FS = RA + AF + CF - AG - AV where FS = Field Strength in dBµV/m RA = Receiver Amplitude (including preamplifier) in dBµV CF = Cable Attenuation Factor in dB AF = Antenna Factor in dB AG = Amplifier Gain in dB AV = Average Factor in dB In the following table(s), the reading shown on the data table reflects the preamplifier gain. An example for the calculations in the following table is as follows: FS = RR + LF where FS = Field Strength in dBµV/m RR = RA - AG - AV in dBµV LF = CF + AF in dB Assume a receiver reading of 52.0 dBµV is obtained. The antenna factor of 7.4 dB and cable factor of 1.6 dB are added. The amplifier gain of 29 dB and average factor of 5 dB are subtracted, giving a field strength of 27 dBµV/m. This value in dBµV/m was converted to its corresponding level in µV/m. RA = 52.0 dBµV/m AF = 7.4 dB CF = 1.6 dB AG = 29.0 dB AV = 5.0 dB FS = RR + LF FS = 18 + 9 = 27 dBµV/m RR = 18.0 dBµV LF = 9.0 dB Level in µV/m = Common Antilogarithm [(27 dBµV/m)/20] = 22.4 µV/m Version: 01 November 2017 Page: 7 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 3.2 Radiated Emission Configuration Photograph Worst Case Radiated Emission at 244.305 MHz For electronic filing, the worst case radiated emission configuration photographs are saved with filename: radiated photos.pdf. 3.3 Radiated Emission Data The data on the following page lists the significant emission frequencies, the limit and the margin of compliance. Numbers with a minus sign are below the limit. Judgment: Passed by 4.5dB TEST PERSONNEL: Sign on file Terry Tang, Assistant Supervisor Typed/Printed Name Feb 28, 2020 Date Version: 01 November 2017 Page: 8 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 Applicant: Shantou chenghai district dachang toy technology co.LTD Date of Test: Feb 28, 2020 Model: DC097 Worst Case Operating Mode: Transmitting Table 1 Radiated Emissions Polarization Vertical Vertical Vertical Vertical Vertical Vertical Vertical Frequency (MHz) 27.145 54.290 190.015 217.160 244.305 271.450 298.595 Reading (dBµV) 53.6 37.1 47.8 49.3 54.6 47.4 42.6 PreAmp Gain (dB) 0.0 20.0 20.0 20.0 20.0 20.0 20.0 Antenna Factor (dB) 18.4 6.9 6.3 8.1 6.9 7.8 13.9 Average Factor (-dB) 4.4 - Net at 3m (dBµV/m) 67.6 24.0 34.1 37.4 41.5 35.2 36.5 Limit at 3m (dBµV/m) 80.0 40.0 43.5 46.0 46.0 46.0 46.0 Margin (dB) -12.4 -16.0 -9.4 -8.6 -4.5 -10.8 -9.5 NOTES: 1. Peak Detector Data unless otherwise stated. 2. All measurements were made at 3 meters. Harmonic emissions not detected at the 3-meter distances were measured at 0.3-meter and an inverse proportional extrapolation was performed to compare the signal level to the 3-meter limit. No other harmonic emissions than those reported were detected at a test distance of 0.3-meter. 3. Negative sign in the column shows value below limit. 4. Loop antenna is used for the emissions below 30 MHz. 5. Emission is at least 35.59dB below the carrier level at the band edge (26.96MHz and 27.28 MHz). Version: 01 November 2017 Page: 9 of 16 FCC ID_b-227 Test Report 4.0 Equipment Photographs Intertek Report No.: GZHH00352444-001 For electronic filing, the photographs are saved with filename: external photos.pdf and internal photos.pdf. 5.0 Product Labelling For electronics filing, the FCC ID label artwork and the label location are saved with filename: label.pdf. 6.0 Technical Specifications For electronic filing, the block diagram and schematic of the tested EUT are saved with filename: block.pdf and circuit.pdf respectively. 7.0 Instruction Manual For electronic filing, a preliminary copy of the Instruction Manual is saved with filename: manual.pdf. This manual will be provided to the end-user with each unit sold/leased in the United States. 8.0 Miscellaneous Information This miscellaneous information includes details of the measured bandwidth, the test procedure and calculation of factors such as pulse desensitization and averaging factor. Version: 01 November 2017 Page: 10 of 16 FCC ID_b-227 Test Report 8.1 Measured Bandwidth Intertek Report No.: GZHH00352444-001 The test plots are attached as below which shows the fundamental emission is confined in the specified band. And it also shows that the emission is at least 35.59dB below the carrier level at the band edge (26.96MHz and 27.28 MHz). It meets the requirement of Section 15.227(b). Pursuant to FCC part 15 Section 15.215(c), the 20dB bandwidth of the emission was contained within the frequency band designated (mentioned as above) which the EUT operated. The effects, if any, from frequency sweeping, frequency hopping, other modulation techniques and frequency stability over excepted variations in temperature and supply voltage were considered. The test plots are attached as below. Version: 01 November 2017 Page: 11 of 16 FCC ID_b-227 Test Report 8.2 Discussion of Pulse Desensitization Intertek Report No.: GZHH00352444-001 The determination of pulse desensitivity was made in accordance with Hewlett Packard Application Note 150-2, Spectrum Analysis ... Pulsed RF. The effective period (Teff) was approximately 1.5217ms and 502.7µs for a digital "1" bit, as shown in the plots of Exhibit 8.3. With a resolution bandwidth (3 dB) of 100 kHz, the pulse desensitivity factor was 0 dB. 8.3 Calculation of Average Factor Averaging factor in dB = 20 log (duty cycle) The specification for output field strengths in accordance with the FCC rules specify measurements with an average detector. During testing, a spectrum analyzer incorporating a peak detector was used. Therefore, a reduction factor can be applied to the resultant peak signal level and compared to the limit for measurement instrumentation incorporating an average detector. The time period over which the duty cycle is measured is 100 milliseconds, or the repetition cycle, whichever is a shorter time frame. The worst case (highest percentage on) duty cycle is used for the calculation. The duty cycle is measured by placing the spectrum analyzer in zero scan (receiver mode) and linear mode at maximum bandwidth (3 MHz at 3 dB down) and viewing the resulting time domain signal output from the analyzer on a Tektronix oscilloscope. The oscilloscope is used because of its superior time base and triggering facilities. The duty cycle is simply the on-time divided by the period: The duration of one cycle = 18.4783ms Effective period of the cycle 1.5217ms x 4 + 507.2µs x 10 = 11.1588ms DC =11.1588ms / 18.4783ms=0.6039 or 60.39% Therefore, the averaging factor is found by 20 log10 (0.6039) =-4.4dB The test plots are attached as below. Version: 01 November 2017 Page: 12 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 Date:19.JAN.2020 14:53:25 Version: 01 November 2017 Page: 13 of 16 FCC ID_b-227 Test Report Intertek Report No.: GZHH00352444-001 Date:19.JAN.2020 14:54:43 Version: 01 November 2017 Page: 14 of 16 FCC ID_b-227 Test Report 8.4 Emissions Test Procedures Intertek Report No.: GZHH00352444-001 The following is a description of the test procedure used by Intertek Testing Services in the measurements of transmitters operating under Part 15, Subpart C rules. The test set-up and procedures described below are designed to meet the requirements of ANSI C63.10 - 2013. The transmitting equipment under test (EUT) is placed on a polystyrene turntable which is four feet in diameter and approximately 0.8 meter in height above the ground plane. During the radiated emissions test, the turntable is rotated and any cables leaving the EUT are manipulated to find the configuration resulting in maximum emissions. The EUT is adjusted through all three orthogonal axes to obtain maximum emission levels. The antenna height and polarization are varied during the testing to search for maximum signal levels. Detector function for radiated emissions is in peak mode. Average readings, when required, are taken by measuring the duty cycle of the equipment under test and subtracting the corresponding amount in dB from the measured peak readings. A detailed description for the calculation of the average factor can be found in Exhibit 8.3. The frequency range scanned is from the lowest radio frequency signal generated in the device which is greater than 9 kHz to the tenth harmonic of the highest fundamental frequency or 40 GHz, whichever is lower. Version: 01 November 2017 Page: 15 of 16 FCC ID_b-227 Test Report 8.4 Emissions Test Procedures (cont'd) Intertek Report No.: GZHH00352444-001 The EUT is warmed up for 15 minutes prior to the test. AC power to the unit is varied from 85% to 115% nominal and variation in the fundamental emission field strength is recorded. If battery powered, a new, fully charged battery is used. Conducted measurements are made as described in ANSI C63.10 - 2013. The IF bandwidth used for measurement of radiated signal strength was 10 kHz for emission below 30 MHz and 120 kHz for emission from 30 MHz to 1000 MHz. Where pulsed transmissions of short enough pulse duration warrant, a greater bandwidth is selected according to the recommendations of Hewlett Packard Application Note 150-2. A discussion of whether pulse desensitivity is applicable to this unit is included in this report (See Exhibit 8.2). Transmitter measurements are normally conducted at a measurement distance of three meters. However, to assure low enough noise floor in the restricted bands, signals are acquired at a distance of one meter or less. All measurements are extrapolated to three meters using inverse scaling, but those measurements taken at a closer distance are so marked. 9.0 Equipment List Equipment No. SZ185-01 SZ188-01 SZ062-02 SZ062-05 SZ061-06 SZ061-12 Equipment EMI Receiver Anechoic Chamber RF Cable RF Cable Active Loop Antenna BiConiLog Antenna Manufacturer Model No. R&S ESCI ETS RADIALL RADIALL RFD-F/A100 RG 213U 0.0426.5GHz Electro-Metrics EM-6876 ETS 3142E Serial No. 100547 4102 --217 00166158 Cal. Date 24-Dec-19 15-Dec-18 11-Dec-19 26-Feb-20 24-May-19 14-Sep-18 Due Date 24-Dec-20 15-Dec-20 11-Jun-20 26-Aug-20 24-May-21 14-Sep-20 Version: 01 November 2017 Page: 16 of 16 FCC ID_b-227
Related FCC IDs:
- 2AWTCDC097 - Shantou chenghai district dachang toy technology co.LTD Remote control car [DC097] PDFCreator 2.0.0.0