1020D Tablet PC RF Exposure Info According to §15 Techvision Intelligent Technology Co.,Ltd.

Techvision Intelligent Technology Co.,Ltd. Tablet PC

FCC ID Filing: 2AHYJ1020D
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Document DescriptionMPE Report
Document TypeRF Exposure Info
Document TitleAccording to §15

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FCC ID: 2AHYJ1020D
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)
Limits for Maximum Permissible Exposure (MPE)
Frequency
Range(MHz)
300-1500
1500-100000
300-1500
1500-100000
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
Average Time
30
11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R2)
Where
Pd= Power density in mW/cm
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 cm(20cm)
Pd the limit of MPE, 1mW/cm . 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.
mW=10^(dBm/10)
11.2 Measurement Result
Operation Frequency: WIFI 802.11b/g/n HT20: 2412-2462MHz,
802.11n HT40: 2422-2452MHz,
Power density limited: 1mW/ cm
Antenna Type: FPCB Antenna
Antenna gain: 1.0dBi,
R=20cm
mW=10^(dBm/10)
802.11b/g/n:
Channe
l Freq.
(MHz)
modulation
conducted
power
(mW)
conducted
power
(dBm)
Tune-up
power (dBm)
Max
tune-up power
(dBm)
Antenna
Gain
Numeric
Evaluation
result
(mW/cm2 )
Power
density
Limits
(mW/cm2)
2412
802.11b
18.49
12.67
12±1
13
1.26
0.004997
12±1
13
1.26
0.004997
12±1
13
1.26
0.004997
9±1
10
1.26
0.002504
9±1
10
1.26
0.002504
9±1
10
1.26
0.002504
8±1
1.26
0.001989
8±1
1.26
0.001989
8±1
1.26
0.001989
7±1
1.26
0.001580
7±1
1.26
0.001580
7±1
1.26
0.001580
2437
802.11b
17.95
2462
802.11b
18.66
2412
802.11g
8.38
2437
2462
2412
2437
2462
2422
2437
2452
802.11g
802.11g
802.11n
H20
802.11n
H20
802.11n
H20
802.11n
H40
802.11n
H40
802.11n
H40
12.54
12.71
9.23
9.14
8.20
9.32
8.55
7.74
8.89
8.75
7.50
8.91
7.78
5.65
7.52
7.47
5.58
7.65
5.82
Operation Frequency: 2402MHz~2480MHz
Power density limited: 1mW/ cm
Antenna Type: External Antenna
Antenna gain: 1.0dBi,
R=20cm
mW=10^(dBm/10)
Bluetooth DTS:
Channel
Freq.
(MHz)
conducted
power
conducted
power
modulation
(mW)
(dBm)
GFSK
0.73
0.50
0.72
-1.38
-3
-1.44
2402
2440
2480
Tune-up
power
(dBm)
Max
Antenna
Evaluation result
Power density
Limits
tune-up
power
Gain
(mW/cm2)
(mW/cm2 )
0.000199
0.000199
0.000199
(dBm)
Numeric
-2±1
-1
-2±1
-1
-2±1
-1
1.26
1.26
1.26
Bluetooth DSS:
Channel
Freq.
(MHz)
modulation
2402
2441
GFSK
2480
2402
2441
π/4DQPSK
2480
2402
2441
2480
8DPSK
conducted
power
conducted
power
(mW)
(dBm)
1.55
1.55
1.42
2.08
2.07
1.86
2.21
2.24
1.96
1.91
1.9
1.53
3.18
3.16
2.7
3.45
3.51
2.92
Tune-up
power
(dBm)
1±1
1±1
1±1
3±1
3±1
3±1
3±1
3±1
3±1
Max
Antenna
Evaluation result
Power density
Limits
tune-up
power
Gain
(mW/cm2)
(mW/cm2 )
(dBm)
Numeric
1.26
1.26
1.26
1.26
1.26
1.26
1.26
1.26
1.26
0.000250
0.000250
0.000250
0.000629
0.000629
0.000629
0.000629
0.000629
0.000629
Conclusion:
For the max result : 0.004997≤ 3.0 for 1g SAR, No SAR is required.
Signature:
Date: 2016-12-22
NAME AND TITLE (Please print or type): Jason Chen/Manager
COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E,
Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.
Download: 1020D Tablet PC RF Exposure Info According to §15 Techvision Intelligent Technology Co.,Ltd.
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Document ID3253113
Application IDVkh1daJIMFp+VlFoSxqjow==
Document DescriptionMPE Report
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize9.23kB (115414 bits)
Date Submitted2017-01-10 00:00:00
Date Available2017-01-10 00:00:00
Creation Date2016-12-28 06:46:57
Producing SoftwareMicrosoft® Office Word 2007
Document Lastmod2016-12-28 06:46:57
Document TitleAccording to §15
Document CreatorMicrosoft® Office Word 2007
Document Author: Benjamin

Source Exif Data:
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Count                      : 3
Language                        : zh-CN
Tagged PDF                      : Yes
Title                           : According to §15
Author                          : Benjamin
Creator                         : Microsoft® Office Word 2007
Create Date                     : 2016:12:28 06:46:57
Modify Date                     : 2016:12:28 06:46:57
Producer                        : Microsoft® Office Word 2007

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