RF exposure letter

FCC ID: 2ABBL-M10191

RF Exposure Info

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FCCID_4236575

                                     FCC ID: RABBL—M1 0191


RF EXPOSURE EVALUATION METHOD

SAR Test Exclusion Thresholds for 100 MHz ~ 6 GHz and © 50 mm

Approximate SAR Test Exclusion Power Thresholds xt Selected Frequencies and Test Separation
Distances are illustrated in the following Table.
     e                 s             10           is       20           2s              mm
      150             so             m            us      153           194
      300             27             ss           a       uo            137
      450             >              as           a7       so           u>
      a3s             i6             3            40       se            2
      Em              G              5            a7       C            7o
     1500          12           2            37                         s1            SAR Test
                                                                                      Exclusion
     1900          u            22           33                         5t          Threshold(raW)
     2450          10           19           Eo                         as
     3600          s            16           2                          20
     5200          7            i6           2o           26            3
     5400          6            i6           19           26            »
     seoo           6           12            19          as            a      _|


 The 1—g and 10— SAR test exclusion thrasholds for 100 MHz to 6 GHz at test separation
distances < 50 mm are determined by:
|{max. power of channel, including tune—up tolerance, mW)/(min. test separation distance,
mm}] + [/f(GHe)] < 3.0 for 1—g SAR and < 7.5 for 10—4 extremity SAR.where
1(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
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 is applied to determine SAR test
exclusion


                            FCC ID: 2ABBL-M10191


Maximum measured transmitter power.
BT4.1+EDR The Worst Case
Mode        2402-2480MHz
Detector    PEAK
GFSK        8±1dBm
π/4-DQPSK   7±1dBm
8DPSK       7±1dBm


Remark: The worst case gain of the antenna is 1.5dBi.
1.5dBi logarithmic terms convert to numeric result is nearly 1.142

                       Maximum Peak
                                                          Tune up
             frequency   Conducted    Tune up                                  Limit
   Mode                                                    Power      Result
               (GHz)   Output Power Power(dBm)
                                                           (mW)
                           (dBm)
    GFSK           2.480        8.28            9       7.943282347   2.5018     3
 π/4-DQPSK         2.402        7.14            8       6.309573445   1.9558     3
   8DPSK           2.402        7.16            8       6.309573445   1.9558     3

Threshold at which no SAR required is 2.5018≤ 3.0 for 1-g SAR, Separation
distance is 5mm.

BT4.1 LE The Worst Case
Mode         2402-2480MHz
Detector     PEAK
GFSK         7±1dBm


Remark: The worst case gain of the antenna is 1.5dBi.
1.5dBi logarithmic terms convert to numeric result is nearly 1.142
                       Maximum Peak
                                                          Tune up
             frequency   Conducted    Tune up                                  Limit
   Mode                                                    Power      Result
               (GHz)   Output Power Power(dBm)
                                                           (mW)
                           (dBm)
   GFSK            2.440        7.92            8          6.31       1.97       3

Threshold at which no SAR required is 1.5658≤ 3.0 for 1-g SAR, Separation
distance is 5mm.
2.4GWIFI The Worst Case
Mode         802.11b/g/n20:2412-2462MHz
             802.11n40:2422-2452MHz
Detector     PEAK
802.11b      9±0.5dBm
802.11g      8±1dBm
802.11n20    8±1dBm
802.11n40    6±1dBm


                            FCC ID: 2ABBL-M10191




Remark: The worst case gain of the antenna is 1.5dBi.
1.5dBi logarithmic terms convert to numeric result is nearly 1.142


                        Maximum Peak
                                                          Tune up
              frequency   Conducted    Tune up                                 Limit
   Mode                                                    Power      Result
                (GHz)   Output Power Power (dBm)
                                                           (mW)
                            (dBm)
   802.11b         2.462        9.16           9.5      8.912509381   2.7969     3
   802.11g         2.412        8.25            9       7.943282347   2.4673     3
  802.11n20        2.437        8.06            9       7.943282347   2.4800     3
  802.11n40        2.422        6.77            7       5.011872336   1.5600     3


Threshold at which no SAR required is 2.7969≤ 3.0 for 1-g SAR, Separation
distance is 5mm.



Document Created: 2019-04-10 23:50:10
Document Modified: 2019-04-10 23:50:10

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