1 WIFI MODULE RF Exposure Info MPE ShenZhen Cultraview Digital Technology CO.,Ltd

ShenZhen Cultraview Digital Technology CO.,Ltd WIFI MODULE

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FCC ID Filing: 2AM4L1
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FCC ID : 2AM4L1
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 ยง1.1307(b)
Limits for Maximum Permissible Exposure (MPE)
Frequency
Range(MHz)
300-1500
1500-100000
300-1500
1500-100000
Average Time
Electric Field
Magnetic Field
Power
Strength(V/m)
Strength(A/m) Density(mW/cm )
(A) Limits for Occupational/Control Exposures
--F/300
--5
(B) Limits for General Population/Uncontrol Exposures
--F/1500
--1
30
11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R2)
Where
Pd= Power density in mW/cm2
Pout=output power to antenna in mW
G= Numeric gain of the antenna relative to isotropic antenna
Pi=3.1416
R= distance between observation point and center of the radiator in 20cm
Pd the limit of MPE, 1mW/cm2. If we know the maximum gain of the nd total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached.
11.2 Measurement Result
WIFI 5G antenna A:
Channel
Freq.
(MHz)
modulation
conducted
power
(mW)
5180
5220
5240
5180
5220
5240
5190
5230
5745
5785
5825
5745
5785
5825
5755
5795
11a
11a
11a
11n(VHT20)
11n(VHT20)
11n(VHT20)
11n(VHT40)
11n(VHT40)
11a
11a
11a
11n(VHT20)
11n(VHT20)
11n(VHT20)
11n(VHT40)
11n(VHT40)
23.9
23.2
23.2
21.2
21.3
21.1
23.4
22.2
12.5
13.3
10.1
11.9
13.0
9.7
9.7
12.1
conducted
power
(dBm)
13.79
13.66
13.65
13.26
13.29
13.25
13.70
13.47
10.96
11.24
10.06
10.77
11.15
9.89
9.88
10.81
Tune-up power (dBm)
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
10dBm to 12dBm
10dBm to 12dBm
10dBm to 12dBm
10dBm to 12dBm
10dBm to 12dBm
9dBm to 11dBm
9dBm to 11dBm
9dBm to 11dBm
Max
tune-up
power
(dBm)
14
14
14
14
14
14
14
14
12
12
12
12
12
11
11
11
Max
Antenna
Gain
Numeric
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
Evaluation
result
(mW/cm2 )
Power density Limits
(mW/cm2 )
0.01989
0.01989
0.01989
0.01989
0.01989
0.01989
0.01989
0.01989
0.01255
0.01255
0.01255
0.01255
0.01255
0.00997
0.00997
0.00997
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
Antenna
Gain
Numeric
Evaluation
result
(mW/cm2 )
Power density Limits
(mW/cm2 )
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
0.01989
0.01989
0.01989
0.01989
0.01989
0.01989
0.01989
0.01989
0.01255
0.01255
0.01255
0.01255
0.01255
0.00997
0.00997
0.00997
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
WIFI 5G antenna B:
Channel
Freq.
(MHz)
modulation
conducted
power
(mW)
5180
5220
5240
5180
5220
5240
5190
5230
5745
5785
5825
5745
5785
5825
5755
5795
11a
11a
11a
11n(VHT20)
11n(VHT20)
11n(VHT20)
11n(VHT40)
11n(VHT40)
11a
11a
11a
11n(VHT20)
11n(VHT20)
11n(VHT20)
11n(VHT40)
11n(VHT40)
23.5
23.4
22.6
20.8
20.8
21.6
23.5
22.1
12.5
12.9
10.5
12.5
13.7
10.3
9.7
12.3
conducted
power
(dBm)
13.71
13.70
13.55
13.18
13.18
13.35
13.71
13.44
10.98
11.10
10.20
10.96
11.36
10.12
9.86
10.91
Tune-up power (dBm)
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
12dBm to 14dBm
10dBm to 12dBm
10dBm to 12dBm
10dBm to 12dBm
10dBm to 12dBm
10dBm to 12dBm
9dBm to 11dBm
9dBm to 11dBm
9dBm to 11dBm
Max
tune-up
power
(dBm)
14
14
14
14
14
14
14
14
12
12
12
12
12
11
11
11
WIFI 5G antenna A+B:
Channel
Freq.
(MHz)
modulation
conducted
power
(mW)
5180
5200
5240
5190
5230
5745
5785
5825
5755
5895
11n(VHT20)
11n(VHT20)
11n(VHT20)
11n(VHT40)
11n(VHT40)
11n(VHT20)
11n(VHT20)
11n(VHT20)
11n(VHT40)
11n(VHT40)
42.0
42.2
42.8
24.4
26.7
20.0
47.0
44.4
19.4
24.4
conducted
power
(dBm)
Tune-up power (dBm)
16.23
16.25
16.31
13.88
14.27
13.02
16.72
16.47
12.88
13.87
16dBm to 18dBm
16dBm to 18dBm
16dBm to 18dBm
13dBm to 15dBm
13dBm to 15dBm
13dBm to 15dBm
16dBm to 18dBm
16dBm to 18dBm
12dBm to 14dBm
12dBm to 14dBm
Max
tune-up
power
(dBm)
18
18
18
15
15
15
18
18
14
14
Antenna
Gain
Numeric
Evaluation
result
(mW/cm2 )
Power density Limits
(mW/cm2 )
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
0.04996
0.04996
0.04996
0.02504
0.02504
0.02504
0.04996
0.04996
0.01989
0.01989
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
WIFI 2.4G antenna A:
Channel
Freq.
(MHz)
modulation
conducted power
(mW)
2.412
2.437
2.462
2.412
2.437
2.462
2.412
2.437
2.462
2.422
2.437
2.452
11b
11b
11b
11g
11g
11g
11n HT20
11n HT20
11n HT20
11n HT40
11n HT40
11n HT40
68.4
76.0
81.1
73.8
78.5
75.5
73.6
77.4
76.4
67.5
70.0
67.9
conducted
power
(dBm)
Tune-up power (dBm)
18.35
18.81
19.09
18.68
18.95
18.78
18.67
18.89
18.83
18.29
18.45
18.32
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
Max
tune-up
power
(dBm)
20
20
20
20
20
20
20
20
20
20
20
20
Antenna
Gain
Numeric
Evaluation
result
(mW/cm2 )
Power density
Limits
(mW/cm2 )
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
Antenna
Gain
Numeric
Evaluation
result
(mW/cm2)
Power density
Limits
(mW/cm2 )
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
3.98
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
0.05428
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
<1
Antenna
Gain
Numeric
Evaluation
result
(mW/cm2 )
Power density
Limits
(mW/cm2 )
3.98
3.98
3.98
3.98
3.98
3.98
0.12549
0.12549
0.12549
0.12549
0.12549
0.12549
<1
<1
<1
<1
<1
<1
WIFI antenna B:
Channel
Freq.
(MHz)
modulation
conducted power
(mW)
2.412
2.437
2.462
2.412
2.437
2.462
2.412
2.437
2.462
2.422
2.437
2.452
11b
11b
11b
11g
11g
11g
11n HT20
11n HT20
11n HT20
11n HT40
11n HT40
11n HT40
68.5
76.2
81.3
74.3
79.1
75.9
74.6
78.0
77.4
68.1
70.5
68.4
conducted
power
(dBm)
Tune-up power (dBm)
18.36
18.82
19.10
18.71
18.98
18.80
18.73
18.92
18.89
18.33
18.48
18.35
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
18dBm to 20dBm
Max
tune-up
power
(dBm)
20
20
20
20
20
20
20
20
20
20
20
20
WIFI antenna A+B:
Channel
Freq.
(MHz)
modulation
conducted power
(mW)
2.412
2.437
2.462
2.422
2.437
2.452
11n HT20
11n HT20
11n HT20
11n HT40
11n HT40
11n HT40
148.3
155.6
153.8
135.5
140.6
136.5
conducted
power
(dBm)
Tune-up power (dBm)
21.71
21.92
21.87
21.32
21.48
21.35
20dBm to 22dBm
20dBm to 22dBm
20dBm to 22dBm
20dBm to 22dBm
20dBm to 22dBm
20dBm to 22dBm
Max
tune-up
power
(dBm)
22
22
22
22
22
22
WIFI 5G +WIFI 2.4G MAX RF EXPOSURE EVALUATION
Max WIFI 2.4G
band Evaluation
result
(mW/cm2 )
0.12549
Max WIFI 5G band
Evaluation result
(mW/cm2 )
0.04996
Summation of
Evaluation result
(mW/cm2 )
Power density Limits
(mW/cm2 )
0.17545
<1
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Document ID3558290
Application IDPRHVKW6aZpUtoSxqWgy5Tg==
Document DescriptionRF Exposure report
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize3kB (37460 bits)
Date Submitted2017-09-13 00:00:00
Date Available2017-09-13 00:00:00
Creation Date2017-09-01 16:47:05
Producing SoftwareAcrobat Distiller 15.0 (Windows)
Document Lastmod2017-09-01 16:47:05
Document TitleRF Exposure Info MPE
Document CreatorPScript5.dll Version 5.2.2
Document Author: yaping.shen

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Title                           : Microsoft Word - MPE
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