PHGW Smart Security Alarm System-Gateway RF Exposure Info 18_PH-GW RFExp, r1 Shenzhen Patrol Hawk Technology Co., Ltd.

Shenzhen Patrol Hawk Technology Co., Ltd. Smart Security Alarm System-Gateway

FCC ID Filing: 2AKOIPHGW

Page 1 of PHGW Smart Security Alarm System-Gateway RF Exposure Info 18_PH-GW RFExp, r1 Shenzhen Patrol Hawk Technology Co., Ltd.
Page 2 of PHGW Smart Security Alarm System-Gateway RF Exposure Info 18_PH-GW RFExp, r1 Shenzhen Patrol Hawk Technology Co., Ltd.

RF EXPOSURE EVALUATION
1. PRODUCT INFORMATION
Smart Security Alarm System-Gateway
Product Description
Model Name
PH-GW
2AKOIPHGW
FCC ID
2. EVALUATION METHOD AND LIMIT
Human exposure to RF emissions from mobile devices (47 CFR §2.1091) may be
evaluated based on the MPE limits adopted by the FCC for electric and magnetic field
strength and/or power density, as appropriate, since exposures are assumed to occur at
distances of 20 cm or more from persons.
LIMITS FOR GENERAL POPULATION / UNCONTROLLED EXPOSURE
Frequency
E-field Strength Magnetic Field
Power Density Averaging Time
Range
(E)
Strength (H)
(S)
|E|2, |H|2 or S
(MHz)
(V/m)
(A/m)
(mW/cm2)
(Minutes)
0.3 -- 1.34
614
1.63
(100)*
30
1.34 -- 30
824/f
2.19/f
(180/f2)*
30
30 -- 300
27.5
0.073
0.2
30
300 -- 1500
--
--
f/1500
30
1500 -- 100,000
--
--
1.0
30
*Note:
1. f= Frequency in MHz * Plane-wave Equivalent Power Density
2. The averaging time for General Population/Uncontrolled exposure to fixed transmitters
is not applicable for mobile and portable transmitters. See 47 CFR §§2.1091 and 2.1093
on source-based time-averaging requirement for mobile and portable transmitters.
S=PG/4πR²
Where:
S=power density
P=power input to antenna
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
3. CALCULATION
A minimum test separation distance ≥ 20 cm is required between the antenna and
radiating structures of the device and nearby persons to apply mobile device exposure
limits. The distance must be at least 20 cm and fully supported by the operating and
installation configurations of the transmitter and its antenna(s), according to the
source-based time-averaged maximum power requirements of § 2.1091(d)(2). In cases
where cable losses or other attenuations are applied to determine compliance, the most
conservative operating configurations and exposure conditions must be evaluated.
WIFI 2.4G
Test
Mode
11B
Antenna
Antenna
Gain
Gain
( mW)
(dBi)
(Linear)
13.25
21.13
2.18
1.65
0.0069
2437
13.12
20.51
2.18
1.65
0.0067
2462
12.44
17.54
2.18
1.65
0.0058
Output
Power
Output
Power
Antenna
Antenna
Gain
Gain
( dBm)
( mW)
(dBi)
(Linear)
824.2
31.69
1475.71
2.18
1.65
0.4852
836.6
31.67
1468.93
2.18
1.65
0.4830
848.8
31.72
1485.94
2.18
1.65
0.4886
1850.2
28.84
765.60
2.18
1.65
0.2517
1880
28.82
762.08
2.18
1.65
0.2506
1909.8
28.46
701.46
2.18
1.65
0.2306
826.6
22.28
169.04
2.18
1.65
0.0556
836.4
22.56
180.30
2.18
1.65
0.0593
846.4
22.19
165.58
2.18
1.65
0.0544
1852.6
21.48
140.60
2.18
1.65
0.0462
1880
21.57
143.55
2.18
1.65
0.0472
1907.4
21.51
141.58
2.18
1.65
0.0466
Output
Power
Output
Power
( dBm)
2412
Frequency
( MHz)
Power Density
( mW/cm2)
GSM/WCDMA
Test
Mode
GPRS850
GPRS1900
WCDMA
850
WCDMA
1900
Frequency
( MHz)
Power Density
Note:
1. Only the worst case was recorded in the test report.
( mW/cm2)
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Document ID3251657
Application IDiyYJgkJNlzKyrilE8J23iQ==
Document Description18_PH-GW RFExp, r1
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize27.39kB (342317 bits)
Date Submitted2017-01-09 00:00:00
Date Available2017-01-09 00:00:00
Creation Date2017-01-09 01:49:41
Producing SoftwareMicrosoft® Office Word 2007
Document Lastmod2017-01-09 01:49:41
Document Title18_PH-GW RFExp, r1
Document CreatorMicrosoft® Office Word 2007
Document Author: USER

Source Exif Data [exif.tools]:
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Count                      : 2
Language                        : zh-CN
Tagged PDF                      : Yes
Author                          : USER
Creator                         : Microsoft® Office Word 2007
Create Date                     : 2017:01:09 01:49:41
Modify Date                     : 2017:01:09 01:49:41
Producer                        : Microsoft® Office Word 2007

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