ATAKR1601 Air Cleaner RF Exposure Info JUNG ANG EMC LABORATORY Brunt. Co., Ltd

Brunt. Co., Ltd Air Cleaner

Page 1 of ATAKR1601 Air Cleaner RF Exposure Info JUNG ANG EMC LABORATORY Brunt. Co., Ltd
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Brunt. Co., Ltd
Air Cleaner
FCC ID : 2AODVATAKR1601
RF Exposure Requirement
1.Limits
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)
LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE)
Frequency
Electric Field
Magnetic Field
Power Density
Range (MHz)
Strength(V/m)
Strength (A/m)
(mW/cm2)
(A) Limits for Occupational/ Control Exposures
300-1500
F/300
1500-100,000
(B) Limits for General Population/ Uncontrolled Exposures
300-1500
F/1500
1500-100,000
F= Frequency in MHz
Average Time
(Minutes)
30
Friis Formula
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 id the limit of MPE, 1 mW/ cm2 . If we know the maximum gain of the antenna and the total
power input to the antenna, through the calculation, we will know the distance r where the
MPE limit is reached.
2.Test Procedure
Software provided by client enabled the EUT to transmit and receive data at lowest, middle
and highest channel individually.
The temperature and related humidity: 23℃and 42% RH.
RF Exposure Report
Issue Date :
December 6, 2018
Brunt. Co., Ltd
Air Cleaner
FCC ID : 2AODVATAKR1601
3.Test Result of RF Exposure Evaluation
RF Conducted
Operating mode
Frequency
Power(dBm)
802.11b
2412
12.0
Antenna
Gain(dBi)
RF Output
Power(dBm)
15.09
802.11b
2437
12.0
15.09
802.11b
2462
12.0
15.09
802.11g
2412
9.5
12.59
802.11g
2437
9.7
802.11g
2462
9.4
12.49
802.11n20(SISO)
2412
8.9
11.99
802.11n20(SISO)
2437
8.9
11.99
802.11n20(SISO)
2462
8.6
11.99
3.09
12.79
Maximum RF Power = 15.09dBm=32.28mW
32.28/(4*3.14*400) = 0.006426
Frequency Band(MHz)
Maximum RF Power(mW)
Power Density at R =
20cm(mW/ cm2 )
2412-2462
32.28
0.006426
Note:
The power density Pd (4th column) at a distance of 20 cm calculated from the Friis transmission
formula is far below the limit of 1 mW/ cm2 .
RF Exposure Report
Issue Date :
December 6, 2018
Download: ATAKR1601 Air Cleaner RF Exposure Info JUNG ANG EMC LABORATORY Brunt. Co., Ltd
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Document ID4129687
Application IDu2TlvqtKBb4RmFIrtzacFg==
Document DescriptionRF Exposure
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize10.17kB (127114 bits)
Date Submitted2019-01-03 00:00:00
Date Available2019-01-03 00:00:00
Creation Date2019-01-03 15:01:55
Producing SoftwareMicrosoft® Word 2013
Document Lastmod2019-01-03 15:01:55
Document TitleJUNG ANG EMC LABORATORY
Document CreatorMicrosoft® Word 2013
Document Author: 중앙EMC

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Title                           : JUNG ANG EMC LABORATORY
Author                          : 중앙EMC
Creator                         : Microsoft® Word 2013
Create Date                     : 2019:01:03 15:01:55+09:00
Modify Date                     : 2019:01:03 15:01:55+09:00
Producer                        : Microsoft® Word 2013