RF Exposure report

FCC ID: 2ARYH-SAYA-SA0100

RF Exposure Info

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FCCID_4321448

RF EXPOSURE EVALUATION

According to FCC 1.1310: The criteria listed in the following table shall be used
to evaluate the environment impact of human exposure to radio frequency(RF)
Radiation as specified in §1.1307(b)

FCC ID: 2ARYH -SAYA-SA0100

EUT Specification
EUT BLUEBOX UHF 1CH Mid Range Controller
Frequency band WLAN: 2.412GHz ~ 2.462GHz
(Operating) WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz
WLAN: 5.745GHz ~ 5825GHz
Others 910-920MHz
Device category Portable (<20cm separation)
Mobile (>20cm separation)
Others ___
Exposure classification Occupational/Controlled exposure (S = 5mW/cm2)
General Population/Uncontrolled exposure
(S=1mW/cm2)
Antenna diversity Single antenna
Multiple antennas
Tx diversity
Rx diversity
Tx/Rx diversity
Max. output power 13.670dBm (0.0233W)
Antenna gain (Max) 1.5 dBi
Evaluation applied MPE Evaluation
SAR Evaluation

Limits for Maximum Permissible Exposure(MPE)

Frequency Electric Field Magnetic Field Power Average
Range(MHz) Strength(V/m) Strength(A/m) Density(mW/cm2) Time
(A) Limits for Occupational/Control Exposures
300-1500 -- -- F/300 6
1500-100000 -- -- 5 6
(B) Limits for General Population/Uncontrol Exposures
300-1500 -- -- F/1500 6
1500-100000 -- -- 1 30

$Friis transmission formula: Pd=(Pout*G)\(4*pi*R2) Where Pd= Power density in mW/cm2 Pout=output power to antenna in Mw G= gain of antenna in linear scale Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Measurement Result Power Power Channel Measured Tune up Max. Tune Antenna density at density Frequency Power tolerance up Power Gain 20cm Limits (MHz) (dBm) (dBm) (dBm) (dBi) (mW/ cm2 ) (mW/cm2 ) 910 13.256 13.256±1 14.26 1.5 0.0075 0.6067 915 13.297 13.297±1 14.30 1.5 0.0076 0.6100 920 13.670 13.670±1 14.67 1.5 0.0082 0.6133$

Document Created: 2019-06-14 16:17:26
Document Modified: 2019-06-14 16:17:26