RF Exposure

FCC ID:

RF Exposure Info

Download: PDF

 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.                                                                FCC ID:2AFHW-ITCDS5001


                                                 FCC RF Exposure Evaluation Report

1. Product Information
    FCC ID                                       2AFHW-ITCDS5001
    Product Description                          CD Stereo System with Bluetooth
    Test Model                                   ITCDS-5001-SLV
                                                 DC 12V from Adapter
                                                 Adapter:
    Power Supply
                                                 Input: 100-240V,50/60Hz 0.6A
                                                 Output: DC 12V/2000mA
    Hardware Version                             V1.0
    Software Version                             V1.0
    Bluetooth Operation Frequency                2402-2480 MHz
    Bluetooth Version                            V5.0
    Bluetooth Channel Number                     79 Channels for Bluetooth V5.0 (DSS)
    Bluetooth Channel Spacing                    1MHz for Bluetooth V5.0 (DSS)
    Bluetooth Modulation Type                    GFSK, π /4-DQPSK, 8-DPSK for Bluetooth V5.0 (DSS)
    Antenna Description                          PCB Antenna, 0dBi (Max.)
    Exposure category                            General population/uncontrolled environment
    EUT Type                                     Production Unit
    Device Type                                  Portable Device

2. Evaluation Method
According to KDB447498 D01 General RF Exposure Guidance v06Section 4.3.1 Standalone SAR test exclusion
considerations: “Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or
body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical
simulation, is not required when the corresponding SAR Test Exclusion Threshold condition, listed below, is satisfied.
These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the
RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required
for the exposure conditions.22 The minimum test separation distance is determined by the smallest distance from
the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure
conditions and platform requirements, to any part of the body or extremity of a user or bystander (see 5) of section
4.1). To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified by
the operating configurations and exposure conditions of the transmitter and applicable host platform requirements,
typically in the SAR measurement or SAR analysis report, according to the required published RF exposure KDB
procedures. When no other RF exposure testing or reporting is required, a statement of justification and compliance
must be included in the equipment approval, in lieu of the SAR report, to qualify for the SAR test exclusion. When
required, the device specific conditions described in the other published RF exposure KDB procedures must be
satisfied before applying these SAR test exclusion provisions; for example, handheld PTT two-way radios, handsets,
laptops & tablets etc.“
[(max. power of channel, including tune-up tolerance, mW)/ (min. test separation distance, mm)+ · *√f (GHz)+ ≤ 3.0 for
1-g SAR and ≤ 7.5 for 10-g extremity SAR, where:
• f (GHz) is the RF channel transmit frequency in GHz
• Power and distance are rounded to the nearest mW and mm before calculation
• The result is rounded to one decimal place for comparison
• 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below
The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission
frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm
according to f) in section 4.1 is applied to determine SAR test exclusion.

When one of the following test exclusion conditions is satisfied for all combinations of simultaneous transmission
configurations, further equipment approval is not required to incorporate transmitter modules in host devices that
operate in the mixed mobile and portable host platform exposure conditions. The grantee is responsible for
documenting this according to Class I permissive change requirements. Antennas that qualify for standalone SAR test
exclusion must apply the estimated standalone SAR to determine simultaneous transmission test exclusion.
a) The [∑ of (the highest measured or estimated SAR for each standalone antenna configuration, adjusted for
     maximum tune-up tolerance) / 1.6 W/kg] + [∑ of MPE ratios] is ≤ 1.0.
b) The SAR to peak location separation ratios of all simultaneously transmitting antenna pairs operating in portable
     device exposure conditions are all ≤ 0.04, and the [∑ of MPE ratios] is ≤ 1.0.

___________________________________________________________________________
      This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
                                                                     Page 1 of 2


 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.                                                                FCC ID:2AFHW-ITCDS5001


3. Refer Evaluation Method
ANSI C95.1–1999:IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic
Fields, 3 kHz to 300 GHz.
FCC KDB publication 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures
and Equipment Authorization Policies.
FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits.
FCC CFR 47 part2 2.1093: Radiofrequency radiation exposure evaluation: portable devices

4. Conducted Power Results
                                                                 <BT>
                    Mode                  Channel        Frequency (MHz)          Peak Conducted Output Power (dBm)
                                             0                2402                             -1.817
                     GFSK                   39                2441                             -0.924
                                            78                2480                             -1.380
                                             0                2402                             -2.657
                π/4-DQPSK                   39                2441                             -1.353
                                            78                2480                             -2.093

5. Manufacturing Tolerance
                                                                   <BT>
                                                                GFSK (Peak)
                     Channel                        Channel 0           Channel 39                           Channel 78
                  Target (dBm)                        -1.0                  -1.0                                -1.0
                 Tolerance ±(dB)                       1.0                   1.0                                 1.0
                                                           π/4-DQPSK (Peak)
                     Channel                        Channel 0           Channel 39                           Channel 78
                  Target (dBm)                        -2.0                  -2.0                                -2.0
                 Tolerance ±(dB)                       1.0                   1.0                                 1.0

6. Evaluation Results
  6.1 Standalone Evaluation

                                              Antenna            RF output power                  SAR Test
                                                                                                                    SAR Test
               Band/Mode         f (GHz)      Distance                                           Exclusion
                                                                dBm              mW                                 Exclusion
                                               (mm)                                              Threshold
                 GFSK              2.50           5               0             1.0000            0.3 < 3.0             Yes
               π/4-DQPSK           2.50           5              -1             0.7943            0.3 < 3.0             Yes

    Remark:
    1. Output power including tune up tolerance;
    2. When the minimum test separation distance is < 5 mm, a distance of 5 mm according to f) in section 4.1 is
       applied to determine SAR test exclusion.

  6.2 Simultaneous Transmission for SAR Exclusion
    The sample support one BT modular. No need consider simultaneous transmission.

7. Conclusion
The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR
Exclusion Threshold per KDB 447498 v06.

                               .......................THE END OF REPORT.........................




___________________________________________________________________________
      This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
                                                                     Page 2 of 2



Document Created: 2019-09-09 01:49:05
Document Modified: 2019-09-09 01:49:05

© 2019 FCC.report
This site is not affiliated with or endorsed by the FCC