SF2017C27 TOY RC ATV RF Exposure Info analysis report SHIFENG CULTURAL DEVELOPMENT CO.,LTD

SHIFENG CULTURAL DEVELOPMENT CO.,LTD TOY RC ATV

FCC ID Filing: 2ADCISF2017C27
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Page 1 of SF2017C27 TOY RC ATV RF Exposure Info analysis report SHIFENG CULTURAL DEVELOPMENT CO.,LTD

INTERTEK TESTING SERVICES
Analysis Report
The equipment under test (EUT) is a transmitter for a TOY RC ATV operating at
27.145 MHz which is controlled by a crystal. The EUT is powered by one 9.0V
6F22 size battery. For more detail information pls. refer to the user manual.
Antenna Type: Integral antenna
Antenna Gain: 0dBi
The nominal conducted output power specified: -34.0dBm (+/- 3dB)
The nominal radiated output power (e.r.p) specified: -36.15dBm (+/- 3dB)
Modulation Type: Pulse modulation.
According to the KDB 447498:
The worst-case peak radiated emission for the EUT is 61.2dBµV/m at 3m
in the frequency 27.145MHz
The EIRP = [(FS*D) ^2 / 30] mW= -34.03dBm
The ERP = EIRP – 2.15 = -36.18 dBm
which is within the production variation.
The maximun conducted output power specified is -31dBm =0.0008mW
The source- based time-averaging conducted output power
= 0.0008* Duty Cycle mW < 0.0008mW (Duty Cycle<100%)
The SAR Exclusion Threshold Level for 27.145MHz when the minimum
test separation distance is < 50mm:
= 474 * [1 + log(100/f(MHz)]/2
= 371.2 mW
Since the source-based time-averaging conducted output power is well
below the SAR low threshold level, so the EUT is considered to comply
with SAR requirement without testing.
Transmitter Duty Cycle Calculation
The duration of one cycle = 19.8188ms
Effective period of the cycle = 543.5µs x 10 + 1.6667ms x 4 = 12.1018ms
DC = 12.1018ms / 19.8188ms = 0.6106 or 61.06%
FCC ID: 2ADCISF2017C27
Download: SF2017C27 TOY RC ATV RF Exposure Info analysis report SHIFENG CULTURAL DEVELOPMENT CO.,LTD
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Document ID3550438
Application IDzLogh5sBfx7Vt+IpDg8gWQ==
Document DescriptionAnalysis Report
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize1.06kB (13303 bits)
Date Submitted2017-09-07 00:00:00
Date Available2017-09-07 00:00:00
Creation Date2017-08-01 16:31:23
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Document Lastmod2017-08-01 16:31:23
Document Titleanalysis report
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Document Author: terry.tang

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