DM1703 DMR Digital Radio RF Exposure Info SAR report part 1 PO FUNG ELECTRONIC(HK) INTERNATIOANL GROUP COMPANY

PO FUNG ELECTRONIC(HK) INTERNATIOANL GROUP COMPANY DMR Digital Radio

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TEST REPORT
R/C…….: 73682
Report Reference No. .................... :
TRE18100184
FCC ID ............................................. :
2AJGM-DM1703
Applicant’s name ........................... :
PO FUNG ELECTRONIC(HK)INTERNATIOANL GROUP
COMPANY
Address .............................................:
3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN
Hong Kong
Manufacturer.....................................:
PO FUNG ELECTRONIC(HK)INTERNATIOANL GROUP
COMPANY
Address.............................................:
3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN
Hong Kong
Test item description .................... :
DMR Digital Radio
Trade Mark .......................................:
BAOFENG
Model/Type reference .......................:
DM-1703
Listed Model(s) .................................:
Standard ......................................... :
FCC 47 CFR Part2.1093
IEEE Std C95.1, 1999 Edition
IEEE 1528: 2013
Date of receipt of test sample………:
Oct. 23, 2018
Date of testing………………………..:
Oct. 24, 2018 - Nov. 28, 2018
Date of issue………………………….:
Nov. 30, 2018
Result .................. …………………...:
PASS
Compiled by
( position+printed name+signature) ..:
File administrators:Xiaodong Zhao
Supervised by
( position+printed name+signature) ..:
Test Engineer:
Xiaodong Zhao
Approved by
( position+printed name+signature) ..:
Manager:
Hans Hu
Testing Laboratory Name ............. :
Shenzhen Huatongwei International Inspection Co., Ltd
Address .............................................:
1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road,
Tianliao, Gongming, Shenzhen, China
Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved.
This publication may be reproduced in whole or in part for non-commercial purposes as long as the
Shenzhen Huatongwei International Inspection Co., Ltd is acknowledged as copyright owner and
source of the material. Shenzhen Huatongwei International Inspection Co., Ltd takes no responsibility
for and will not assume liability for damages resulting from the reader's interpretation of the reproduced
material due to its placement and context.
The test report merely correspond to the test sample.
Page: 1 of 28
Report No:
TRE18100184
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Issued: 2018-11-30
Contents
1.
1.1.
1.2.
2.
2.1.
2.2.
2.3.
3.
3.1.
3.2.
3.3.
Test Standards and Report version
Test Standards
Report version
Summary
Client Information
Product Description
Test frequency list
Test Environment
Test laboratory
Test Facility
Environmental conditions
4.
Equipments Used during the Test
5.
Measurement Uncertainty
6.
SAR Measurements System Configuration
6.1.
6.2.
6.3.
6.4.
7.
7.1.
7.2.
8.
8.1.
8.2.
9.
9.1.
9.2.
SAR Measurement Set-up
DASY5 E-field Probe System
Phantoms
Device Holder
SAR Test Procedure
Scanning Procedure
Data Storage and Evaluation
Position of the wireless device in relation to the phantom
Front-of-face
Body Position
System Check
Tissue Dielectric Parameters
SAR System Check
10
11
11
12
12
14
16
16
16
17
17
18
10.
SAR Exposure Limits
24
11.
Conducted Power Measurement Results
25
12.
Maximum Tune-up Limit
25
13.
SAR Measurement Results
26
14.
Test Setup Photos
28
15.
External and Internal Photos of the EUT
28
Shenzhen Huatongwei International Inspection Co., Ltd.
Report Template Version: V01 (2018-08)
Report No:
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1 . Test Standards and Report version
1.1. Test Standards
The tests were performed according to following standards:
FCC 47 Part 2.1093: Radiofrequency Radiation Exposure Evaluation:Portable Devices
IEEE Std C95.1, 1999 Edition: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio
Frequency Electromagnetic Fields, 3 kHz to 300 GHz
IEEE Std 1528™-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific
Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement
Techniques.
KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100
MHz to 6 GHz
KDB 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation
Considerations
KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device RF Exposure Procedures
and Equipment Authorization Policies
KDB 643646 D01:SAR Test for PTT Radios v01r03: SAR Test Reduction Considerations for Occupational
PTT Radios
1.2. Report version
Version No.
Date of issue
Description
N/A
2018-11-30
Original
Shenzhen Huatongwei International Inspection Co., Ltd.
Report Template Version: V01 (2018-08)
Report No:
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2. Summary
2.1. Client Information
Applicant:
PO FUNG ELECTRONIC(HK)INTERNATIOANL GROUP COMPANY
Address:
3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN Hong Kong
Manufacturer:
PO FUNG ELECTRONIC(HK)INTERNATIOANL GROUP COMPANY
Address:
3/F FULOK BLDG 131-133 WING LOK ST SHEUNG WAN Hong Kong
2.2. Product Description
Name of EUT:
DMR Digital Radio
Trade mark:
BAOFENG
Model/Type reference:
DM-1703
Listed model(s):
Power supply:
DC 7.4V
Accessories:
Belt Clip
Device Category:
Portable
RF Exposure Environment:
Occupational/Controlled
Hardware version:
Software version:
1703
Device Dimension:
Overall (Length x Width x Thickness):110 x 60 x 35mm
Antenna(Length):145mm
Maximum SAR Value
Separation Distance:
Maximun SAR Value (1g):
Front-of-face:
25mm
Body:
0mm
Front-of-face:
1.10 W/kg
Body:
1.77 W/kg
PMR
Operation Frequency Range:
Rated Output Power:
From 400MHz to 470MHz, 136MHz to 174MHz
High Power:
Modulation Type:
Digital:
Channel Separation:
Digital:
Digital Type:
DMR
Antenna type:
External
5W(36.99dBm)
Low Power
1W (30dBm)
4FSK
6.25kHz
Shenzhen Huatongwei International Inspection Co., Ltd.
12.5kHz
Report Template Version: V01 (2018-08)
2.3. Test frequency list
When the frequency channels required for SAR testing are not specified, the following should be applied to
determine the number of required test channels.The test channels should be evenly spread across the
transmission frequency band of each wireless mode.
Nc is the number of test channels, rounded to the nearest integer,
fhigh and flow are the highest and lowest channel frequencies within the transmission band,
fc is the mid-band channel frequency,
all frequencies are in MHz.
Operation Frequency
Start Frequency
Stop Frequency
Test Frequency
number
400
470
136
174
ModulationType
Channel
Separation
Test Channel
Digital
12.5kHz
Test Frequency (MHz)
TX
RX
CHv1
136.0125
136.0125
CHv2
145.5000
145.5000
CHv3
155.0000
155.0000
CHv4
164.5000
164.5000
CHv5
173.9875
173.9875
CHu1
400.0125
400.0125
CHu2
417.5000
417.5000
CHu3
435.0000
435.0000
CHu4
452.5000
452.5000
CHu5
469.9875
469.9875
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Report No:
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3. Test Environment
3.1. Test laboratory
Laboratory:Shenzhen Huatongwei International Inspection Co., Ltd.
Address: 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China
3.2. Test Facility
CNAS-Lab Code: L1225
Shenzhen Huatongwei International Inspection Co., Ltd. has been assessed and proved to be in compliance
with CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025:
2005 General Requirements) for the Competence of Testing and Calibration Laboratories.
A2LA-Lab Cert. No.: 3902.01
Shenzhen Huatongwei International Inspection Co., Ltd. EMC Laboratory has been accredited by A2LA for
technical competence in the field of electrical testing, and proved to be in compliance with ISO/IEC 17025:
2005 General Requirements for the Competence of Testing and Calibration Laboratories and any additional
program requirements in the identified field of testing.
FCC-Registration No.: 762235
Shenzhen Huatongwei International Inspection Co., Ltd. EMC Laboratory has been registered and fully
described in a report filed with the FCC (Federal Communications Commission). The acceptance letter from
the FCC is maintained in our files. Registration 762235.
IC-Registration No.: 5377B-1
Two 3m Alternate Test Site of Shenzhen Huatongwei International Inspection Co., Ltd. has been registered by
Certification and Engineering Bureau of Industry Canada for the performance of radiated measurements with
Registration No. 5377B-1.
ACA
Shenzhen Huatongwei International Inspection Co., Ltd. EMC Laboratory can also perform testing for the
Australian C-Tick mark as a result of our A2LA accreditation.
3.3. Environmental conditions
During the measurement the environmental conditions were within the listed ranges:
Ambient temperature
18 °C to 25 °C
Ambient humidity
30%RH to 70%RH
Air Pressure
950-1050mbar
Shenzhen Huatongwei International Inspection Co., Ltd.
Report Template Version: V01 (2018-08)
Report No:
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4. Equipments Used during the Test
Used
Test Equipment
Manufacturer
Model No.
Serial No.
Cal. date
(YY-MM-DD)
Due date
(YY-MM-DD)
●
Data Acquisition Electronics
DAEx
SPEAG
DAE4
1549
2018/04/25
2019/04/24
●
E-field Probe
SPEAG
EX3DV4
7494
2018/02/26
2019/02/25
○
Universal Radio
Communication Tester
R&S
CMW500
137681
2018/07/11
2019/07/10
● Tissue-equivalent liquids Validation
○
Dielectric Assessment Kit
SPEAG
DAK-3.5
1267
2018/03/01
2019/02/28
●
Dielectric Assessment Kit
SPEAG
DAK-12
1130
2018/03/01
2019/02/28
●
Network analyzer
Keysight
E5071C
MY46733048
2018/09/19
2019/09/18
○ System Validation
●
System Validation Antenna
SPEAG
CLA-150
4024
2018/02/21
2021/02/20
●
System Validation Dipole
SPEAG
D450V3
1102
2018/02/23
2021/02/22
○
System Validation Dipole
SPEAG
D750V3
1180
2018/02/07
2021/02/06
○
System Validation Dipole
SPEAG
D835V2
4d238
2018/02/19
2021/02/18
○
System Validation Dipole
SPEAG
D1750V2
1164
2018/02/06
2021/02/05
○
System Validation Dipole
SPEAG
D1900V2
5d226
2018/02/22
2021/02/21
○
System Validation Dipole
SPEAG
D2450V2
1009
2018/02/05
2021/02/04
○
System Validation Dipole
SPEAG
D2600V2
1150
2018/02/05
2021/02/04
○
System Validation Dipole
SPEAG
D5GHzV2
1273
2018/02/21
2021/02/20
●
Signal Generator
R&S
SMB100A
114360
2018/08/21
2019/08/20
●
Power Viewer for Windows
R&S
N/A
N/A
N/A
N/A
●
Power sensor
R&S
NRP18A
101010
2018/08/21
2019/08/20
●
Power sensor
R&S
NRP18A
101011
2018/08/21
2019/08/20
●
Power Amplifier
BONN
BLWA 0160-2M
1811887
2018/11/15
2018/11/14
●
Dual Directional Coupler
Mini-Circuits
ZHDC-10-62-S+
F975001814
2018/11/15
2018/11/14
●
Attenuator
Mini-Circuits
VAT-3W2+
1819
2018/11/15
2018/11/14
●
Attenuator
Mini-Circuits
VAT-10W2+
1741
2018/11/15
2018/11/14
Note:
1. The Probe,Dipole and DAE calibration reference to the Appendix B and C.
2. Referring to KDB865664 D01, the dipole calibration interval can be extended to 3 years with justifcatio.
The dipole are also not physically damaged or repaired during the interval.
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Report Template Version: V01 (2018-08)
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5. Measurement Uncertainty
Per KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz, when the highest measured 1-g SAR within a
frequency band is < 1.5 W/kg. The equivalent ratio (1.5/1.6) should be applied to extremity and occupational
exposure conditions.The expanded SAR measurement uncertainty must be ≤ 30%, for a confidence interval of
k = 2. If these conditions are met,extensive SAR measurement uncertainty analysis described in IEEE Std
1528-2013 is not required in SAR reports submitted for equipment approval.
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Report Template Version: V01 (2018-08)
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6. SAR Measurements System Configuration
6.1. SAR Measurement Set-up
The DASY5 system for performing compliance tests consists of the following items:
A standard high precision 6-axis robot (Stäubli RX family) with controller and software. An arm extension for
accommodating the data acquisition electronics (DAE).
A dosimetric probe, i.e. an isotropic E-field probe optimized and calibrated for usage in tissue simulating
liquid. The probe is equipped with an optical surface detector system.
A data acquisition electronic (DAE) which performs the signal amplification, signal multiplexing, ADconversion, offset measurements, mechanical surface detection, collision detection, etc. The unit is battery
powered with standard or rechargeable batteries. The signal is optically transmitted to the EOC.
A unit to operate the optical surface detector which is connected to the EOC.
The Electro-Optical Coupler (EOC) performs the conversion from the optical into a digital electric signal of
the DAE. The EOC is connected to the DASY5 measurement server.
The DASY5 measurement server, which performs all real-time data evaluation for field measurements and
surface detection, controls robot movements and handles safety operation. A computer operating Windows
2003.
DASY5 software and SEMCAD data evaluation software.
Remote control with teach panel and additional circuitry for robot safety such as warning lamps, etc.
The generic twin phantom enabling the testing of left-hand and right-hand usage.
The device holder for handheld Mobile Phones.
Tissue simulating liquid mixed according to the given recipes.
System validation dipoles allowing to validate the proper functioning of the system.
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Report Template Version: V01 (2018-08)
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6.2. DASY5 E-field Probe System
The SAR measurements were conducted with the dosimetric probe EX3DV4 (manufactured by SPEAG),
designed in the classical triangular configuration and optimized for dosimetric evaluation.

Probe Specification
ConstructionSymmetrical design with triangular core
Interleaved sensors
Built-in shielding against static charges
PEEK enclosure material (resistant to organic solvents, e.g., DGBE)
CalibrationISO/IEC 17025 calibration service available.
Frequency
10 MHz to 10 GHz;
Linearity: ± 0.2 dB (30 MHz to 10 GHz)
Directivity
±0.1 dB in TSL (rotation around probe axis)
±0.3 dB in TSL (rotation normal to probe axis)
Dynamic Range
10 µW/g to > 100 mW/g;
Linearity: ± 0.2 dB
Dimensions
Overall length: 337 mm (Tip: 20 mm)
Tip diameter: 2.5 mm (Body: 12 mm)
Distance from probe tip to dipole centers: 2.0 mm
Application
General dosimetry up to 10 GHz
Dosimetry in strong gradient fields
Compliance tests of Mobile Phones
Compatibility
DASY3, DASY4, DASY52 SAR and higher, EASY4/MRI

Isotropic E-Field Probe
The isotropic E-Field probe has been fully calibrated and assessed for isotropicity, and boundary effect within
a controlled environment. Depending on the frequency for which the probe is calibrated the method utilized for
calibration will change.
The E-Field probe utilizes a triangular sensor arrangement as detailed in the diagram below:
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6.3. Phantoms
Phantom for compliance testing of handheld and body-mounted wireless devices in the frequency range of 30
MHz to 6 GHz. ELI isfully compatible with standard and all known tissuesimulating liquids. ELI has been
optimized regarding its performance and can beintegrated into our standard phantom tables. A cover prevents
evaporation ofthe liquid. Reference markings on the phantom allow installation of thecomplete setup, including
all predefined phantom positions and measurementgrids, by teaching three points. The phantom is compatible
with all SPEAGdosimetric probes and dipoles.
ELI Phantom
6.4. Device Holder
The device was placed in the device holder (illustrated below) that is supplied by SPEAG as an integral part of
the DASY system.
The DASY device holder is designed to cope with the different positions given in the standard. It has two
scales for device rotation (with respect to the body axis) and device inclination (with respect to the line
between the ear reference points). The rotation centers for both scales is the ear reference point (ERP). Thus
the device needs no repositioning when changing the angles.
Device holder supplied by SPEAG
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7. SAR Test Procedure
7.1. Scanning Procedure
The DASY5 installation includes predefined files with recommended procedures for measurements and
validation. They are read-only document files and destined as fully defined but unmeasured masks. All test
positions (head or body-worn) are tested with the same configuration of test steps differing only in the grid
definition for the different test positions.
The “reference” and “drift” measurements are located at the beginning and end of the batch process. They
measure the field drift at one single point in the liquid over the complete procedure. The indicated drift is
mainly the variation of the DUT’s output power and should vary max. ± 5 %.
The “surface check” measurement tests the optical surface detection system of the DASY5 system by
repeatedly detecting the surface with the optical and mechanical surface detector and comparing the results.
The output gives the detecting heights of both systems, the difference between the two systems and the
standard deviation of the detection repeatability. Air bubbles or refraction in the liquid due to separation of
the sugar-water mixture gives poor repeatability (above ± 0.1mm). To prevent wrong results tests are only
executed when the liquid is free of air bubbles. The difference between the optical surface detection and the
actual surface depends on the probe and is specified with each probe (It does not depend on the surface
reflectivity or the probe angle to the surface within ± 30°.)
Area Scan
The Area Scan is used as a fast scan in two dimensions to find the area of high field values before running
a detailed measurement around the hot spot.Before starting the area scan a grid spacing of 15 mm x 15
mm is set. During the scan the distance of the probe to the phantom remains unchanged. After finishing
area scan, the field maxima within a range of 2 dB will be ascertained.
Zoom Scan
After the maximum interpolated values were calculated between the points in the cube, the SAR was
averaged over the spatial volume (1g or 10g) using a 3D-Spline interpolation algorithm. The 3D-spline is
composed of three one-dimensional splines with the “Not a knot” condition (in x, y, and z directions). The
volume was then integrated with the trapezoidal algorithm.
Spatial Peak Detection
The procedure for spatial peak SAR evaluation has been implemented and can determine values of masses
of 1g and 10g, as well as for user-specific masses.The DASY5 system allows evaluations that combine
measured data and robot positions, such as:
• maximum search
• extrapolation
• boundary correction
• peak search for averaged SAR
During a maximum search, global and local maxima searches are automatically performed in 2-D after each
Area Scan measurement with at least 6 measurement points. It is based on the evaluation of the local SAR
gradient calculated by the Quadratic Shepard’s method. The algorithm will find the global maximum and all
local maxima within -2 dB of the global maxima for all SAR distributions.
Extrapolation routines are used to obtain SAR values between the lowest measurement points and the
inner phantom surface. The extrapolation distance is determined by the surface detection distance and the
probe sensor offset. Several measurements at different distances are necessary for the extrapolation.
Extrapolation routines require at least 10 measurement points in 3-D space.
They are used in the Zoom Scan to obtain SAR values between the lowest measurement points and the
inner phantom surface. The routine uses the modified Quadratic Shepard’s method for extrapolation.
A Z-axis scan measures the total SAR value at the x-and y-position of the maximum SAR value found
during the cube scan. The probe is moved away in z-direction from the bottom of the SAM phantom in 5mm
steps.
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Table 1: Area and Zoom Scan Resolutions per FCC KDB Publication 865664 D01v04
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7.2. Data Storage and Evaluation
Data Storage
The DASY5 software stores the acquired data from the data acquisition electronics as raw data (in microvolt
readings from the probe sensors), together with all necessary software parameters for the data evaluation
(probe calibration data, liquid parameters and device frequency and modulation data) in measurement files
with the extension “.DA4”. The software evaluates the desired unit and format for output each time the data
is visualized or exported. This allows verification of the complete software setup even after the
measurement and allows correction of incorrect parameter settings. For example, if a measurement has
been performed with a wrong crest factor parameter in the device setup, the parameter can be corrected
afterwards and the data can be re-evaluated.
The measured data can be visualized or exported in different units or formats, depending on the selected
probe type ([V/m], [A/m], [°C], [mW/g], [mW/cm²], [dBrel], etc.). Some of these units are not available in
certain situations or show meaningless results, e.g., a SAR output in a lossless media will always be zero.
Raw data can also be exported to perform the evaluation with other software packages.
Data Evaluation
The SEMCAD software automatically executes the following procedures to calculate the field units from the
microvolt readings at the probe connector. The parameters used in the evaluation are stored in the
configuration modules of the software:
Probe parameters:
Device parameters:
Media parameters:
Sensitivity:
Conversion factor:
Diode compression point:
Frequency:
Crest factor:
Conductivity:
Density:
Normi, ai0, ai1, ai2
ConvFi
Dcpi
cf
σ
ρ
These parameters must be set correctly in the software. They can be found in the component documents or
they can be imported into the software from the configuration files issued for the DASY5 components. In the
direct measuring mode of the multimeter option, the parameters of the actual system setup are used. In the
scan visualization and export modes, the parameters stored in the corresponding document files are used.
The first step of the evaluation is a linearization of the filtered input signal to account for the compression
characteristics of the detector diode. The compensation depends on the input signal, the diode type and the
DC-transmission factor from the diode to the evaluation electronics. If the exciting field is pulsed, the crest
factor of the signal must be known to correctly compensate for peak power. The formula for each channel
can be given as:
Vi:
Ui:
cf:
dcpi:
compensated signal of channel ( i = x, y, z )
input signal of channel ( i = x, y, z )
crest factor of exciting field (DASY parameter)
diode compression point (DASY parameter)
From the compensated input signals the primary field data for each channel can be evaluated:
Vi:
Normi:
ConvF:
aij:
f:
Ei:
Hi:
compensated signal of channel ( i = x, y, z )
sensor sensitivity of channel ( i = x, y, z ),
[mV/(V/m)2] for E-field Probes
sensitivity enhancement in solution
sensor sensitivity factors for H-field probes
carrier frequency [GHz]
electric field strength of channel i in V/m
magnetic field strength of channel i in A/m
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The RSS value of the field components gives the total field strength (Hermitian magnitude):
The primary field data are used to calculate the derived field units.
SAR:
Etot:
σ:
ρ:
local specific absorption rate in mW/g
total field strength in V/m
conductivity in [mho/m] or [Siemens/m]
equivalent tissue density in g/cm3
Note that the density is normally set to 1 (or 1.06), to account for actual brain density rather than the density
of the simulation liquid.
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8. Position of the wireless device in relation to the phantom
8.1. Front-of-face
A typical example of a front-of-face device is a two-way radio that is held at a distance from the face of the
user when transmitting. In these cases the device under test shall be positioned at the distance to the
phantom surface that corresponds to the intended use as specified by the manufacturer in the user
instructions. If the intended use is not specified, a separation distance of 25 mm between the phantom
surface and the device shall be used.
8.2. Body Position
A typical example of a body-worn device is a mobile phone, wireless enabled PDA or other battery operated
wireless device with the ability to transmit while mounted on a person’s body using a carry accessory
approved by the wireless device manufacturer.
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9. System Check
9.1. Tissue Dielectric Parameters
It’s satisfying the latest tissue dielectric parameters requirements proposed by the KDB865664 D01.
Targets for tissue simulating liquid
Tissue dielectric parameters for head and body
Target Frequency
(MHz)
150
450
Head
εr
52.3
43.5
Body
σ(s/m)
0.76
0.87
εr
61.9
56.7
σ(s/m)
0.80
0.94
CheckResult:
Dielectric performance of Head tissue simulating liquid
Frequency
(MHz)
εr
σ(s/m)
Delta
(εr)
Delta
(σ)
Limit
Temp
(℃)
Date
Target
Measured
Target
Measured
150
52.30
53.22
0.76
0.75
1.76%
-0.92%
±5%
22
2018-11-05
450
43.50
44.49
0.87
0.86
2.28%
-1.26%
±5%
22
2018-11-07
Dielectric performance of Body tissue simulating liquid
Frequency
(MHz)
εr
σ(s/m)
Delta
(εr)
Delta
(σ)
Limit
Temp
(℃)
Date
Target
Measured
Target
Measured
150
61.90
61.45
0.80
0.81
-0.72%
1.13%
±5%
22
2018-11-06
450
56.70
56.11
0.94
0.96
-1.05%
2.23%
±5%
22
2018-11-08
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9.2. SAR System Check
The purpose of the system check is to verify that the system operates within its specifications at the decice
test frequency.The system check is simple check of repeatability to make sure that the system works correctly
at the time of the compliance test;
System check results have to be equal or near the values determined during dipole calibration with the
relevant liquids and test system (±10%).
System check is performed regularly on all frequency bands where tests are performed with the DASY5
system.
System Performance Check Setup
Photo of Dipole Setup
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Check Result:
Head
1g SAR
10g SAR
Frequency
(MHz)
150
Target
1W
Normalize
to 1W
Measured
1W
Target
1W
Normalize
to 1W
Measured
1W
3.68
3.86
3.86
2.45
2.56
2.56
Delta
(1g)
Delta
(10g)
Limit
4.89%
4.49%
±10%
Delta
(1g)
Delta
(10g)
Limit
3.57%
3.07%
±10%
Delta
(1g)
Delta
(10g)
Limit
6.13%
3.60%
±10%
Delta
(1g)
Delta
(10g)
Limit
9.17%
9.77%
±10%
Temp
(℃)
Date
22
2018-11-05
Temp
(℃)
Date
22
2018-11-07
Temp
(℃)
Date
22
2018-11-06
Temp
(℃)
Date
22
2018-11-08
Head
1g SAR
10g SAR
Frequency
(MHz)
450
Target
1W
Normalize
to 1W
Measured
250mW
Target
1W
Normalize
to 1W
Measured
250mW
4.48
4.64
1.16
3.00
3.09
0.77
Body
1g SAR
10g SAR
Frequency
(MHz)
150
Target
1W
Normalize
to 1W
Measured
1W
Target
1W
Normalize
to 1W
Measured
1W
3.75
3.98
3.98
2.50
2.59
2.59
Body
1g SAR
10g SAR
Frequency
(MHz)
450
Target
1W
Normalize
to 1W
Measured
250mW
Target
1W
Normalize
to 1W
Measured
250mW
4.47
4.88
1.22
3.01
3.30
0.83
Note:
1. the graph results see follow.
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Plots of System Performance Check
SystemPerformanceCheck-Head 150MHz
DUT: Antenna 150 MHz; Type: CLA150; Serial: 4024
Date: 2018-11-05
Communication System: UID 0, A-CW (0); Frequency: 150 MHz;Duty Cycle: 1:1
Medium parameters used: f = 150 MHz; σ = 0.753 S/m; εr = 53.218; ρ = 1000 kg/m
Phantom section: Flat Section
DASY Configuration:
 Probe: EX3DV4 - SN7494; ConvF(13.63, 13.63, 13.63) @ 150 MHz; Calibrated: 2/26/2018
 Sensor-Surface: 1.4mm (Mechanical Surface Detection)
 Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
 Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
 DASY52 52.10.1(1476); SEMCAD X 14.6.12(7450)
Head/d=0mm, Pin=1W/Area Scan (81x81x1): Interpolated grid: dx=1.500 mm, dy=1.500
mm
Maximum value of SAR (interpolated) = 5.50 W/kg
Head/d=0mm, Pin=1W/Zoom Scan (5x5x7) (5x5x7)/Cube 0: Measurement grid:
dx=8mm, dy=8mm, dz=5mm
Reference Value = 81.34 V/m; Power Drift = -0.11 dB
Peak SAR (extrapolated) = 6.87 W/kg
SAR(1 g) = 3.86 W/kg; SAR(10 g) = 2.56 W/kg
Maximum value of SAR (measured) = 5.52 W/kg
0 dB = 5.52 W/kg = 7.42 dBW/kg
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SystemPerformanceCheck-Body 150MHz
DUT: Antenna 150 MHz; Type: CLA150; Serial: 4024
Date: 2018-11-06
Communication System: UID 0, A-CW (0); Frequency: 150 MHz;Duty Cycle: 1:1
Medium parameters used: f = 150 MHz; σ = 0.809 S/m; εr = 61.453; ρ = 1000 kg/m
Phantom section: Flat Section
DASY Configuration:
 Probe: EX3DV4 - SN7494; ConvF(12.81, 12.81, 12.81) @ 150 MHz; Calibrated: 2/26/2018
 Sensor-Surface: 1.4mm (Mechanical Surface Detection)
 Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
 Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
 DASY52 52.10.1(1476); SEMCAD X 14.6.12(7450)
Body/d=0mm, Pin=1W/Area Scan (81x81x1): Interpolated grid: dx=1.500 mm, dy=1.500
mm
Maximum value of SAR (interpolated) = 5.89 W/kg
Body/d=0mm, Pin=1W/Zoom Scan (5x5x7) (5x5x7)/Cube 0: Measurement grid:
dx=8mm, dy=8mm, dz=5mm
Reference Value = 80.36 V/m; Power Drift = -0.05 dB
Peak SAR (extrapolated) = 7.76 W/kg
SAR(1 g) = 3.98 W/kg; SAR(10 g) = 2.59 W/kg
Maximum value of SAR (measured) = 5.92 W/kg
0 dB = 5.92 W/kg = 7.72 dBW/kg
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SystemPerformanceCheck-Head 450MHz
DUT: Dipole 450 MHz; Type: D450V3; Serial: 1102
Date: 2018-11-07
Communication System: UID 0, A-CW (0); Frequency: 450 MHz
Medium parameters used: f = 450 MHz; σ = 0.859 S/m; εr = 44.492; ρ = 1000 kg/m
Phantom section: Flat Section
DASY Configuration:
 Probe: EX3DV4 - SN7494; ConvF(11.7, 11.7, 11.7); Calibrated: 2/26/2018;
 Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0
 Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
 Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
 DASY52 52.10.0(1446); SEMCAD X 14.6.10(7417)
Head/d=15mm, Pin=250mW/Area Scan (81x81x1): Interpolated grid: dx=1.500 mm,
dy=1.500 mm
Maximum value of SAR (interpolated) = 1.60 W/kg
Head/d=15mm, Pin=250mW/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm,
dy=8mm, dz=5mm
Reference Value = 44.31 V/m; Power Drift = -0.04 dB
Peak SAR (extrapolated) = 1.85 W/kg
SAR(1 g) = 1.16 W/kg; SAR(10 g) = 0.773 W/kg
Maximum value of SAR (measured) = 1.58 W/kg
0 dB = 1.58 W/kg = 1.99 dBW/kg
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SystemPerformanceCheck-Body 450MHz
DUT: Dipole 450 MHz; Type: D450V3; Serial: 1102
Date: 2018-11-08
Communication System: UID 0, A-CW (0); Frequency: 450 MHz
Medium parameters used: f = 450 MHz; σ = 0.961 S/m; εr = 56.106; ρ = 1000 kg/m
Phantom section: Flat Section
DASY Configuration:
 Probe: EX3DV4 - SN7494; ConvF(11.87, 11.87, 11.87); Calibrated: 2/26/2018;
 Sensor-Surface: 1.4mm (Mechanical Surface Detection), z = 1.0, 31.0
 Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
 Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
 DASY52 52.10.0(1446); SEMCAD X 14.6.10(7417)
Head/d=15mm, Pin=250mW/Area Scan (51x121x1): Interpolated grid: dx=1.500 mm,
dy=1.500 mm
Maximum value of SAR (interpolated) = 1.67 W/kg
Head/d=15mm, Pin=250mW /Zoom Scan (7x7x7)/Cube 0: Measurement grid: dx=5mm,
dy=5mm, dz=5mm
Reference Value = 42.66 V/m; Power Drift = 0.02 dB
Peak SAR (extrapolated) = 2.03 W/kg
SAR(1 g) = 1.22 W/kg; SAR(10 g) = 0.826 W/kg
Maximum value of SAR (measured) = 1.72 W/kg
0 dB = 1.72 W/kg = 2.36 dBW/kg
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10. SAR Exposure Limits
SAR assessments have been made in line with the requirements of FCC 47 CFR § 2.1093.
Limit (W/kg)
Type Exposure
General Population /
Uncontrolled Exposure Environment
Occupational /
Controlled Exposure Environment
Spatial Average SAR
(whole body)
0.08
0.4
Spatial Peak SAR
(1g cube tissue for head and trunk)
1.6
8.0
Spatial Peak SAR
(10g for limb)
4.0
20.0
Population/Uncontrolled Environments: are defined as locations where there is the exposure of individual who
have no knowledge or control of their exposure.
Occupational/Controlled Environments: are defined as locations where there is exposure that may be incurred
by people who are aware of the potential for exposure (i.e. as a result of employment or occupation).
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11. Conducted Power Measurement Results
DMR
Mode
Frequency
Channel
Separation
Digtal
(136~174MHz)
12.5KHz
Digtal
(400~470MHz)
12.5KHz
Channel
CHv1
CHv2
CHv3
CHv4
CHv5
CHu1
CHu2
CHu3
CHu4
CHu5
Conducted Power
(dBm)
MHz
136.0125
145.5000
155.0000
164.5000
173.9875
400.0125
417.5000
435.0000
452.5000
469.9875
36.85
36.97
36.86
36.91
36.87
36.94
36.95
36.99
36.96
36.98
Duty Factor Measured Results
Mode
Type
T on
(ms)
Period
(ms)
Duty Cycle
Crest Factor
(1/duty cycle)
Digtal
4FSK
28.818
60.052
47.99%
2.08384
Duty Cycle plot
12. Maximum Tune-up Limit
This device operates using the following maximum output power specifications. SAR values were scaled to
the maximum allowed power to determine compliance per KDB publication 447498 D01.
PMR
Mode
Channel Separation
(KHz)
Digtial
12.5
Operation Frequency
Range (MHz)
Maximum tune-up power
(dBm)
400~470
36.99
136~174
36.99
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13. SAR Measurement Results
400~470MHz
Front-of-face
Mode
Digtial
Channel
Separation
12.5KHz
Frequency
Tuneup limit
(dBm)
Tuneup
scaling
factor
Power
Drift(dB)
Measured
SAR(1g)
Report
SAR(1g)
50% Duty
factor SAR
(W/kg)
(W/kg)
(W/kg)
CH
MHz
Conducted
Power
(dBm)
CHu1
400.0125
36.94
36.99
1.01
CHu2
417.5000
36.95
36.99
1.01
CHu3
435.0000
36.99
36.99
1.00
-0.18
2.20
2.20
1.10
CHu4
452.5000
36.96
36.99
1.01
CHu5
469.9875
36.98
36.99
1.00
Measured
SAR(1g)
Report
SAR(1g)
50% Duty
factor SAR
(W/kg)
(W/kg)
(W/kg)
Test
Plot
Body-worn (Rear)
Mode
Digtial
Channel
Separation
12.5KHz
Frequency
CH
MHz
Conducted
Power
(dBm)
Tuneup limit
(dBm)
Tune-up
scaling
factor
Power
Drift(dB)
CHu1
400.0125
36.94
36.99
1.01
CHu2
417.5000
36.95
36.99
1.01
CHu3
435.0000
36.99
36.99
1.00
-0.13
3.54
3.54
1.77
CHu4
452.5000
36.96
36.99
1.01
CHu5
469.9875
36.98
36.99
1.00
Test
Plot
Note:
1. The value with blue color is the maximum SAR Value of each test band.
2. Batteries are fully charged at the beginning of the SAR measurements.
3. The Body-worn SAR evaluation was performed with the Leather Case body-worn accessory attached to
the DUT and touching the outer surface of the planar phantom.
4. When the SAR for all antennas tested using the default battery is ≤ 3.5 W/kg (50% PTT duty factor),
testing of all other required channels is not necessary.
5. When the SAR of an antenna tested on the highest output power using the default battery is > 3.5 W/Kg
and ≤ 4.0 W/Kg (50% PTT duty factor), testing of the immediately adjacent channel(s) is not necessary,
but testing of other required channels may still be required.
6. When the SAR for all antennas tested using the default battery ≤ 4.0 W/kg(50% PTT duty factor), test
additional batteries using the antenna and channel configuration that resulted in the highest SAR.
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136~174MHz
Front-of-face
Mode
Digtial
Channel
Separation
12.5KHz
Frequency
Tuneup limit
(dBm)
Tuneup
scaling
factor
Power
Drift(dB)
Measured
SAR(1g)
Report
SAR(1g)
50% Duty
factor SAR
(W/kg)
(W/kg)
(W/kg)
CH
MHz
Conducted
Power
(dBm)
CHv1
136.0125
36.85
36.99
1.03
CHv2
145.5000
36.97
36.99
1.00
-0.18
0.260
0.260
0.130
CHv3
155.0000
36.86
36.99
1.03
CHv4
164.5000
36.91
36.99
1.02
CHv5
173.9875
36.87
36.99
1.03
Measured
SAR(1g)
Report
SAR(1g)
50% Duty
factor SAR
(W/kg)
(W/kg)
(W/kg)
Test
Plot
Body-worn (Rear)
Mode
Digtial
Channel
Separation
12.5KHz
Frequency
CH
MHz
Conducted
Power
(dBm)
Tuneup limit
(dBm)
Tune-up
scaling
factor
Power
Drift(dB)
CHv1
136.0125
36.85
36.99
1.03
CHv2
145.5000
36.97
36.99
1.00
-0.19
0.562
0.562
0.281
CHv3
155.0000
36.86
36.99
1.03
CHv4
164.5000
36.91
36.99
1.02
CHv5
173.9875
36.87
36.99
1.03
Test
Plot
Note:
1. The value with blue color is the maximum SAR Value of each test band.
2. Batteries are fully charged at the beginning of the SAR measurements.
3. The Body-worn SAR evaluation was performed with the Leather Case body-worn accessory attached to
the DUT and touching the outer surface of the planar phantom.
4. When the SAR for all antennas tested using the default battery is ≤ 3.5 W/kg (50% PTT duty factor),
testing of all other required channels is not necessary.
5. When the SAR of an antenna tested on the highest output power using the default battery is > 3.5 W/Kg
and ≤ 4.0 W/Kg (50% PTT duty factor), testing of the immediately adjacent channel(s) is not necessary,
but testing of other required channels may still be required.
6. When the SAR for all antennas tested using the default battery ≤ 4.0 W/kg(50% PTT duty factor), test
additional batteries using the antenna and channel configuration that resulted in the highest SAR.
SAR Test Data Plots to the Appendix A.
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14. Test Setup Photos
Liquid depth in the ELI Phantom
Front-of-face(25mm)
Body-worn(0mm)
15. External and Internal Photos of the EUT
Please refer to the test report No. TRE18100183
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Appendix A:SAR Test Data Plots
Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab
Date: 11/5/2018
Digital-VHF-Front of face
Communication System: UID 0, Digital (0); Frequency: 145.5 MHz;Duty Cycle: 1:2.08384
Medium parameters used: f = 146 MHz; σ = 0.752 S/m; εr = 53.31; ρ = 1000 kg/m3
Phantom section: Flat Section
Ambient Temperature:22.7℃;Liquid Temperature:22.3℃;
DASY Configuration:
Probe: EX3DV4 - SN7494; ConvF(13.63, 13.63, 13.63) @ 145.5 MHz; Calibrated: 2/26/2018
Sensor-Surface: 4mm (Mechanical Surface Detection)
Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
DASY52 52.10.2(1495); SEMCAD X 14.6.12(7450)
Front/Digital-CHv2/Area Scan (51x181x1): Interpolated grid: dx=1.500 mm, dy=1.500
mm
Maximum value of SAR (interpolated) = 0.289 W/kg
Front/Digital-CHv2/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm,
dy=8mm, dz=5mm
Reference Value = 18.47 V/m; Power Drift = -0.18 dB
Peak SAR (extrapolated) = 0.349 W/kg
SAR(1 g) = 0.260 W/kg; SAR(10 g) = 0.200 W/kg
Maximum value of SAR (measured) = 0.272 W/kg
0 dB = 0.272 W/kg = -5.65 dBW/kg
Plot No.1
Appendix A:SAR Test Data Plots
Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab
Date: 11/6/2018
Digital-VHF-Body Worn
Communication System: UID 0, Digital (0); Frequency: 145.5 MHz;Duty Cycle: 1:2.08384
Medium parameters used: f = 146 MHz; σ = 0.809 S/m; εr = 61.541; ρ = 1000 kg/m3
Phantom section: Flat Section
Ambient Temperature:22.7℃;Liquid Temperature:22.4℃;
DASY Configuration:
Probe: EX3DV4 - SN7494; ConvF(12.81, 12.81, 12.81) @ 145.5 MHz; Calibrated: 2/26/2018
Sensor-Surface: 4mm (Mechanical Surface Detection)
Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
DASY52 52.10.2(1495); SEMCAD X 14.6.12(7450)
Body Worn/Digital-CHv2/Area Scan (51x181x1): Interpolated grid: dx=1.500 mm,
dy=1.500 mm
Maximum value of SAR (interpolated) = 0.588 W/kg
Body Worn/Digital-CHv2/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm,
dy=8mm, dz=5mm
Reference Value = 26.58 V/m; Power Drift = -0.19 dB
Peak SAR (extrapolated) = 1.08 W/kg
SAR(1 g) = 0.562 W/kg; SAR(10 g) = 0.353 W/kg
Maximum value of SAR (measured) = 0.613 W/kg
0 dB = 0.613 W/kg = -2.13 dBW/kg
Plot No.2
Appendix A:SAR Test Data Plots
Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab
Date: 11/7/2018
Digital-UHF-Front of face
Communication System: UID 0, Digital (0); Frequency: 435 MHz;Duty Cycle: 1:2.08384
Medium parameters used: f = 435 MHz; σ = 0.845 S/m; εr = 44.794; ρ = 1000 kg/m3
Phantom section: Flat Section
Ambient Temperature:22.7℃;Liquid Temperature:22.1℃;
DASY Configuration:
Probe: EX3DV4 - SN7494; ConvF(11.7, 11.7, 11.7) @ 435 MHz; Calibrated: 2/26/2018
Sensor-Surface: 4mm (Mechanical Surface Detection)
Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
DASY52 52.10.1(1476); SEMCAD X 14.6.12(7450)
Front/Digital-CHU3/Area Scan (51x181x1): Interpolated grid: dx=1.500 mm, dy=1.500
mm
Maximum value of SAR (interpolated) = 2.46 W/kg
Front/Digital-CHU3/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm,
dy=8mm, dz=5mm
Reference Value = 52.84 V/m; Power Drift = -0.18 dB
Peak SAR (extrapolated) = 2.97 W/kg
SAR(1 g) = 2.2 W/kg; SAR(10 g) = 1.62 W/kg
Maximum value of SAR (measured) = 2.34 W/kg
0 dB = 2.34 W/kg = 3.69 dBW/kg
Plot No.3
Appendix A:SAR Test Data Plots
Test Laboratory: Huatongwei International Inspection Co., Ltd.,SAR Lab
Date: 11/8/2018
Digital-UHF-Body Worn
Communication System: UID 0, Digital (0); Frequency: 435 MHz;Duty Cycle: 1:2.08384
Medium parameters used: f = 435 MHz; σ = 0.945 S/m; εr = 56.148; ρ = 1000 kg/m3
Phantom section: Flat Section
Ambient Temperature:22.6℃;Liquid Temperature:22.3℃;
DASY Configuration:
Probe: EX3DV4 - SN7494; ConvF(11.87, 11.87, 11.87) @ 435 MHz; Calibrated: 2/26/2018
Sensor-Surface: 4mm (Mechanical Surface Detection)
Electronics: DAE4 Sn1549; Calibrated: 4/25/2018
Phantom: ELI V8.0 ; Type: QD OVA 004 AA ; Serial: 2078
DASY52 52.10.1(1476); SEMCAD X 14.6.12(7450)
Rear/Digital-CHU3/Area Scan (51x181x1): Interpolated grid: dx=1.500 mm, dy=1.500
mm
Maximum value of SAR (interpolated) = 3.86 W/kg
Rear/Digital-CHU3/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm,
dy=8mm, dz=5mm
Reference Value = 61.73 V/m; Power Drift = -0.13 dB
Peak SAR (extrapolated) = 4.90 W/kg
SAR(1 g) = 3.54 W/kg; SAR(10 g) = 2.6 W/kg
Maximum value of SAR (measured) = 3.77 W/kg
0 dB = 3.77 W/kg = 5.76 dBW/kg
Plot No.4
Appendix B: DAE and Probe Calibration Certificate
1.1. DAE4 Calibration Certificate
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Download: DM1703 DMR Digital Radio RF Exposure Info SAR report part 1 PO FUNG ELECTRONIC(HK) INTERNATIOANL GROUP COMPANY
Mirror Download [FCC.gov]DM1703 DMR Digital Radio RF Exposure Info SAR report part 1 PO FUNG ELECTRONIC(HK) INTERNATIOANL GROUP COMPANY
Document ID4114092
Application IDhMbAh3qmlB86wcUzkFmhGQ==
Document DescriptionSAR report part 1
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeRF Exposure Info
Display FormatAdobe Acrobat PDF - pdf
Filesize417.7kB (5221243 bits)
Date Submitted2018-12-22 00:00:00
Date Available2018-12-22 00:00:00
Creation Date2018-12-12 14:15:10
Producing SoftwareAdobe Acrobat Pro DC 15.7.20033
Document Lastmod2018-12-12 14:15:19
Document TitleSAR report part 1
Document CreatorAdobe Acrobat Pro DC 15.7.20033
Document Author: eie

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