IVSS001 Black box RF Exposure Info MPE Calculation HANHWA HIGHTECH

HANHWA HIGHTECH Black box

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RF EXPOSURE
1. Regulation
According to §15.247(i), 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 levels in excess of the Commission's guidelines.
See § 1.1307(b)(1) of this Chapter.
Limits for Maximum Permissive Exposure: RF exposure is calculated.
Frequency Range
Electric Field
Strength [V/m]
Magnetic Field
Strength [A/m]
Power Density
[mW/cm2]
Averaging Time
[minute]
Limits for General Population / Uncontrolled Exposure
0.3 ~ 1.34
614
1.63
1.34 ~ 30
824/f
2.19/f
30 ~ 300
27.5
0.073
300 ~ 1 500
1 500 ~ 15 000
f=frequency in MHz, *= plane-wave equivalent power density
*(100)
*(180/f2)
0.2
f/1 500
30
30
30
30
30
MPE (Maximum Permissive Exposure) Prediction
Predication of MPE limit at a given distance: Equation from page 18 of OET Bulletin 65, Edition 97-01
S  PG 4R 2
 R 
PG 4S

S = power density [mW/cm ]
P = Power input to antenna [mW]
G = Power gain of the antenna in the direction of interest relative to an isotropic radiator
R = distance to the center of radiation of the antenna [cm]
2. RF Exposure Compliance Issue
The information should be included in the user’s manual:
This appliance and its antenna must not be co-located or operation in conjunction with any other antenna or
transmitter. A minimum separation distance of 20 cm must be maintained between the antenna and the person for
this appliance to satisfy the RF exposure requirements.
Copyright ⓒ 2018. Lab-T, Inc.
Page :1 / 7
MPE Calculations : 802.11b
- Frequency Range :
2412
MHz
2462
- Measured RF Maximum Output Power (Avg.) :
- Target Power & Tolerance : 12.00
dBm
3.10
12.23
& ±
Maximum :
- Maximum Peak Antenna Gain :
MHz
13.00
dBm
1.00
dB
dBm
Minimum :
11.00
dBm
dBi
- Maximum Output Power for the Calculation :
13.00
dBm
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the
The MPE Calculations for this exposure is shown below.
- EIRP
P+G
- NOTE
13.00
dBm
16.10
dBm
40.74
mW
3.10
dBi
P : Max tuneup Power (dBm)
G : Maximum Peak Antenna Gain (dBi)
Power Density at the specific separation
-S
= EIRP / (4 X R2π)
= 40.74 /
( 4 X 20^2 X π )
0.008 105
mW/cm2
- NOTE
S : Maximum Power Density (mW/cm 2)
EIRP : Equivalent Isotropic Radiated Power (mW)
R : Distance to the center of the radiation of the
antenna
Copyright ⓒ 2018. Lab-T, Inc.
20
cm )
Page :2 / 7
MPE Calculations : 802.11g
- Frequency Range :
2412
MHz
2462
- Measured RF Maximum Output Power (Avg.) :
- Target Power & Tolerance : 12.00
dBm
3.10
12.18
& ±
Maximum :
- Maximum Peak Antenna Gain :
MHz
13.00
dBm
1.00
dB
dBm
Minimum :
11.00
dBm
dBi
- Maximum Output Power for the Calculation :
13.00
dBm
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the
The MPE Calculations for this exposure is shown below.
- EIRP
P+G
- NOTE
13.00
dBm
16.10
dBm
40.74
mW
3.10
dBi
P : Max tuneup Power (dBm)
G : Maximum Peak Antenna Gain (dBi)
Power Density at the specific separation
-S
= EIRP / (4 X R2π)
= 40.74 /
( 4 X 20^2 X π )
0.008 105
mW/cm2
- NOTE
S : Maximum Power Density (mW/cm 2)
EIRP : Equivalent Isotropic Radiated Power (mW)
R : Distance to the center of the radiation of the
antenna
Copyright ⓒ 2018. Lab-T, Inc.
20
cm )
Page :3 / 7
MPE Calculations : 802.11n_HT20
- Frequency Range :
2412
MHz
2462
- Measured RF Maximum Output Power (Avg.) :
- Target Power & Tolerance : 12.00
dBm
3.10
12.18
& ±
Maximum :
- Maximum Peak Antenna Gain :
MHz
13.00
dBm
1.00
dB
dBm
Minimum :
11.00
dBm
dBi
- Maximum Output Power for the Calculation :
13.00
dBm
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the
The MPE Calculations for this exposure is shown below.
- EIRP
P+G
- NOTE
13.00
dBm
16.10
dBm
40.74
mW
3.10
dBi
P : Max tuneup Power (dBm)
G : Maximum Peak Antenna Gain (dBi)
Power Density at the specific separation
-S
= EIRP / (4 X R2π)
= 40.74 /
( 4 X 20^2 X π )
0.008 105
mW/cm2
- NOTE
S : Maximum Power Density (mW/cm 2)
EIRP : Equivalent Isotropic Radiated Power (mW)
R : Distance to the center of the radiation of the
antenna
Copyright ⓒ 2018. Lab-T, Inc.
20
cm )
Page :4 / 7
MPE Calculations : 802.11n_HT40
- Frequency Range :
2422
MHz
2452
- Measured RF Maximum Output Power (Avg.) :
- Target Power & Tolerance : 12.00
dBm
3.10
12.17
& ±
Maximum :
- Maximum Peak Antenna Gain :
MHz
13.00
dBm
1.00
dB
dBm
Minimum :
11.00
dBm
dBi
- Maximum Output Power for the Calculation :
13.00
dBm
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the
The MPE Calculations for this exposure is shown below.
- EIRP
P+G
- NOTE
13.00
dBm
16.10
dBm
40.74
mW
3.10
dBi
P : Max tuneup Power (dBm)
G : Maximum Peak Antenna Gain (dBi)
Power Density at the specific separation
-S
= EIRP / (4 X R2π)
= 40.74 /
( 4 X 20^2 X π )
0.008 105
mW/cm2
- NOTE
S : Maximum Power Density (mW/cm 2)
EIRP : Equivalent Isotropic Radiated Power (mW)
R : Distance to the center of the radiation of the
antenna
Copyright ⓒ 2018. Lab-T, Inc.
20
cm )
Page :5 / 7
MPE Calculations : Bluetooth_GFSK
- Frequency Range :
2402
MHz
2480
- Measured RF Maximum Output Power (Avg.) :
- Target Power & Tolerance : 2.99
dBm
3.10
2.99
& ±
Maximum :
- Maximum Peak Antenna Gain :
MHz
2.99
dBm
0.00
dB
dBm
Minimum :
2.99
dBm
dBi
- Maximum Output Power for the Calculation :
2.99
dBm
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the
The MPE Calculations for this exposure is shown below.
- EIRP
P+G
- NOTE
2.99
dBm
6.09
dBm
4.06
mW
3.10
dBi
P : Max tuneup Power (dBm)
G : Maximum Peak Antenna Gain (dBi)
Power Density at the specific separation
-S
= EIRP / (4 X R2π)
4.06
( 4 X 20^2 X π )
0.000 809
mW/cm2
- NOTE
S : Maximum Power Density (mW/cm 2)
EIRP : Equivalent Isotropic Radiated Power (mW)
R : Distance to the center of the radiation of the
antenna
20
cm )
*In the case of Bluetooth, conducted peak
output power value of the module report was used.
FCCID : RKXFC6000TN
Copyright ⓒ 2018. Lab-T, Inc.
Page :6 / 7
MPE Calculations : WLAN+Bluetooth
The EUT will only be used with a separation of 20 centimeters or greater between the antenna and the body of the
The MPE Calculations for this exposure is shown below.
simultaneous MPE for Wi-Fi and Bluetooth
WLAN802.11b + Bluetooth(GFSK)
- Total (%)
- NOTE
[ 802.11b Result(mW/cm2) / Limit(mW/cm2) ] +
WLAN802.11b + Bluetooth(GFSK)
[ GFSK Result(mW/cm2) / Limit(mW/cm2) ] * 100
WLAN802.11b =
0.008 105
mW/cm2
Bluetooth(GFSK) =
0.000 809
mW/cm2
0.008 105
0.000 809
0.891
100
Distance to the center of the radiation of the
antenna
20
cm )
Limit : ≤ 100 %
Copyright ⓒ 2018. Lab-T, Inc.
Page :7 / 7
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Document ID4056979
Application ID9MLVt9Zzxtg0nN8hpWwK1g==
Document DescriptionMPE Calculation
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize19.08kB (238459 bits)
Date Submitted2018-11-01 00:00:00
Date Available2018-11-01 00:00:00
Creation Date2018-10-31 15:14:26
Producing SoftwareMicrosoft® Excel® 2013
Document Lastmod2018-10-31 15:14:26
Document TitleMPE Calculation
Document CreatorMicrosoft® Excel® 2013
Document Author: 성신

Source Exif Data [exif.tools]:
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Count                      : 7
Language                        : ko-KR
Tagged PDF                      : Yes
Author                          : 성신
Create Date                     : 2018:10:31 15:14:26+09:00
Modify Date                     : 2018:10:31 15:14:26+09:00
Producer                        : Microsoft® Excel® 2013
Creator                         : Microsoft® Excel® 2013