RF exposusre evaluation

FCC ID: 2ASVX-ZJMHTRA

RF Exposure Info

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 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.                                                                  FCC ID: 2ASVX-ZJMHTRA

                                         FCC RF Exposure Evaluation

         1. Product Information

       FCC ID:                                   2ASVX-ZJMHTRA
       Product name                              BT Mesh Smart Touch Panel Remote Controller(DC)
                                                 ZJ-TRBM-RGBW-D, ZJ-TRBM-S-D, ZJ-TRBM-CCT-D, ZJ-TRBM-RGB-D,
                                                 ZJ-TRBM-RGBWC-D, ZJ-TRBM-SC1-D, ZJ-TRBM-SC2-D, ZJ-TRBM-SC3-D,
       Model number                              ZJ-TRBM-SC4-D, ZJ-TRBM-SC5-D, ZJ-TRBM-SC6-D, ZJ-TRBM-SC7-D,
                                                 ZJ-TRBM-SC8-D, ZJ-TRBM-SW1-D, ZJ-TRBM-SW2-D, ZJ-TRBM-SW3-D,
                                                 ZJ-TRBM-SW4-D
       Power supply                              DC 3V by 2*AAA
       Modulation Type                           GFSK for Bluetooth V4.2 (BT LE)
       Channel Number                            40 channels for Bluetooth V4.2 (BT LE)
       Channel Spacing                           2MHz for Bluetooth V4.2 (BT LE)
       Antenna Type                              Internal Antenna
       Antenna Gain                              1.0 dBi (maximum)
       Hardware version                          ZJ-MHDN-A V1.3, ZJ-TCUP-A V1.6
       Software version                          V1.0
       Bluetooth Operation frequency             2402MHz-2480MHz
       Exposure category                         General population/uncontrolled environment
       EUT Type                                  Production Unit
       Device Type                               Portable Device
                                                 PCB board, structure and internal of these model(s) are the same, So
       Model Declaration
                                                 no additional models were tested.


         2. Evaluation method and Limit

         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. 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)]

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     This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
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 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.                                                                  FCC ID: 2ASVX-ZJMHTRA

         ≤ 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.

         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

                      Mode              Channel        Frequency(MHz)          Peak Conducted Output Power (dBm)
                                            0                 2402                                -2.926
                      GFSK                  19                2441                                -2.107
                                            39                2480                                -2.859

         5. Manufacturing Tolerance

                                                               GFSK (Peak)
                     Channel                     Channel 0                    Channel 19                    Channel 39
                  Target (dBm)                       -2.0                          -2.0                         -2.0
                Tolerance ±(dB)                      1.0                           1.0                           1.0




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     This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
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 SHENZHEN LCS COMPLIANCE TESTING LABORATORY LTD.                                                                  FCC ID: 2ASVX-ZJMHTRA

         6. Evaluation Results

         6.1 Standalone Evaluation


                                            Antenna Distance           RF output power            SAR Test Exclusion        SAR Test
         Band/Mode              f (GHz)
                                                 (mm)                   dBm            mW            Threshold              Exclusion
             GFSK               2.450                 5                -1.00           0.79            0.25 < 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
         of KDB447498 is applied to determine SAR test exclusion.

         6.2 Simultaneous Transmission for SAR Exclusion

         The sample support one BT modular and one antenna, 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.........................




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     This report shall not be reproduced except in full, without the written approval of Shenzhen LCS Compliance Testing Laboratory Ltd.
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Document Created: 2019-05-10 14:56:37
Document Modified: 2019-05-10 14:56:37

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