RF Exposure

FCC ID: 2AUF5-HW10H

RF Exposure Info

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FCCID_4440656

RF EXPOSURE EVALUATION

EUT Specification

EUT                        Lenovo Smart Watch
Model Number               XW01, HW10H, CL10, XW01H, HW10F
FCC ID                     2AUF5-HW10H
Antenna gain (Max)         -0.91dBi
Operation Frequency        2402-2480MHz
Input Rating               DC 5V
Classification Per         §15.247(i), §2.1093
Stipulated Test Standard
Kind of Device: Bluetooth Ver.4.2
Modulation                 GFSK
Max. output power          -1.35dBm(0.007328W)


Test Requirement:

According to §15.247(i) and §1.1307(b)(1), systems operating under the
provisions of this section shall be operated in a manner that ensures that the
public is not exposed to radio frequency energy level in excess of the
Commission’s guidelines.


    Routine SAR evaluation refers to that specifically required by §2.1093, using
    measurements or computer simulation. When routine SAR evaluation is not
    required, portable transmitters with output power greater than the applicable
    low threshold require SAR evaluation to quality for TCB approval.


    One antenna is available for the EUT. The minimum separation distance is
    5mm.

BT BLE:
  Transmit                  Measured   Tune up
                                                  Max tune up    Calculation   1-g
 Frequency       Mode        Power      Power
                                                  power(dBm)       Result      SAR
   (MHz)                     (dBm)      (dBm)
   2.402         GFSK         1.21       1±1           2         0.4898         3
   2.440         GFSK         1.59       2±1           3         0.6248         3
   2.480         GFSK         1.76       2±1           3         0.6299         3




    According to KDB 447498, no stand-alone required for BT antenna, and no
    simultaneous SAR measurement is required.

    Signature:




     Alan He
     Date:     2019-09-03



Document Created: 2019-09-11 12:45:31
Document Modified: 2019-09-11 12:45:31

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