RF exposure evaluation

FCC ID: GPO117027

RF Exposure Info

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FCCID_4258891

 GRGTE                         Report No.: E20190319878502—2             Application No.: £20190319878502

                                     FCC RF Exposure



Exposure category: General population/uncontrolled environment
EUT Type: Production Unit
Device Type: Portable Device
Refer Standard: KDB 447498 DO1 General RF Exposure Guidance v06
                FCC Part 2 §2.1093
Evaluation method
According to LDBA47498 DO1 General RF Exposure Guidance v05:01Section 4.3.1 Standalone SAR
test exclusion considerations:" Unless specifically required by the published RF exposure KDB
procedures, standalone 1—4 head or body and 10—¢ 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 statementof justification and compliance must be included in
the equipment approval, in liew 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.23 "
  [{max. power of channel, including tune—up tolerance, mW)/ {min. test separation distance,
mm}] + [/f (GHz)] =3.0 for 1—g SAR ands 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 5) in section 4.1 is applied to
determine SA test exclusion.




FCC ID: GPO117027                                                     Identifying code: 340357


                                 Report No.: E20190319878502-2             Application No.: E20190319878502




Conducted Power Results
                                              Bluetooth
                                                                          Peak Conducted Output Power
     Mode                   Channel              Frequency(MHz)
                                                                                     (dBm)
                               01                       2402                            -1.58
     GFSK                      19                       2440                            -1.67
                               39                       2480                            -1.61



Manufacturing tolerance
                                              Bluetooth
                                              GFSK (Peak)
       Channel                   Channel 01                 Channel 19               Channel 39
    Target (dBm)                      -1.0                     -1.0                      -1.0
   Tolerance ±(dB)                    1.0                      1.0                       1.0



Evaluation Results
                                                  RF output power
                                 Antenna                                     SAR Test
                                                 (including tune-up                        SAR Test
Band/Mode        f (GHz)         Distance                                   Exclusion
                                                      tolerance)                           Exclusion
                                  (mm)                                      Threshold
                                                 dBm            mW
    BT*            2.450              5          0.00           1.00         0.3<3.0            Yes


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 v05r02.

                     .......................End of Report.........................




FCC ID: GPO117027                                                        Identifying code: 340357



Document Created: 2019-04-26 11:13:50
Document Modified: 2019-04-26 11:13:50

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