25440 RFID Interrogator RF Exposure Info SAR Report - Mesa Juniper Systems, Inc.

Juniper Systems, Inc. RFID Interrogator

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802 N. Twin Oaks Valley Road, Suite 105 • San Marcos, CA 92069 • U.S.A.
TEL (760) 471-2100 • FAX (760) 471-2121
http://www.rfexposurelab.com
CERTIFICATE OF COMPLIANCE
SAR EVALUATION
Juniper Systems
1132 West 1700 North
Logan, UT 84321
FCC ID:
IC Certificate:
Model(s):
WLAN Module:
BT Module:
RFID Module:
Test Sample:
Serial Number:
Equipment Type:
Classification:
TX Frequency Range:
Frequency Tolerance:
Maximum RF Output:
Signal Modulation:
Antenna Type:
Application Type:
FCC Rule Parts:
KDB Test Methodology:
Industry Canada:
Maximum SAR Value:
Max. Simultaneous:
Separation Distance:
Dates of Test:
Test Report Number:
October 9, 2015
SAR.20151003
Revision B
VSF22553, VSF25440, VSF19799AR
7980A-22553, 7980A-25440, 7980A-19799AR
MESA or MSA-Series
Wi2Wi, Inc. Model W2SW0001 (Previously Tested in Aug. 2010)
Juniper Systems Model BC04
Skyetek Model Nova
Engineering Unit Same as Production
163301
Wireless Rugged Tablet
Portable Transmitter Next to Body
902-928 MHz
± 2.5 ppm
915 MHz – 27.0 dBm Conducted
FM
Internal Antenna
Certification
Part 2, 15
KDB 447498 D01 v05r02
RSS-102 Issue 5, Safety Code 6
1.12 W/kg Reported
1.43 W/kg Reported
0 mm
This wireless mobile and/or portable device has been shown to be compliant for localized specific
absorption rate (SAR) for uncontrolled environment/general exposure limits specified in ANSI/IEEE Std.
C95.1-1992 and had been tested in accordance with the measurement procedures specified in IEEE
1528-2013 and IEC 62209-2:2010 (See test report).
I attest to the accuracy of the data. All measurements were performed by myself or were made under my
supervision and are correct to the best of my knowledge and belief. I assume full responsibility for the
completeness of these measurements and vouch for the qualifications of all persons taking them.
RF Exposure Lab, LLC certifies that no party to this application is subject to a denial of Federal benefits
that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.
853(a).
Testing Cert. # 2387.01
Jay M. Moulton
Vice President
© 2015 RF Exposure Lab, LLC
This report shall not be reproduced except in full without the written approval of RF Exposure Lab, LLC.
Report Number: SAR.20151003
Table of Contents
1.
Introduction ........................................................................................................................ 3
SAR Definition [5] ................................................................................................................... 4
2. SAR Measurement Setup ................................................................................................... 5
Robotic System ...................................................................................................................... 5
System Hardware................................................................................................................... 5
System Electronics................................................................................................................. 6
Probe Measurement System .................................................................................................. 6
3. Probe and Dipole Calibration .............................................................................................14
4. Phantom & Simulating Tissue Specifications .....................................................................15
Head & Body Simulating Mixture Characterization ................................................................15
5. ANSI/IEEE C95.1 – 1992 RF Exposure Limits [2] ..............................................................16
Uncontrolled Environment .....................................................................................................16
Controlled Environment .........................................................................................................16
6. Measurement Uncertainty .................................................................................................17
7. System Validation..............................................................................................................18
Tissue Verification .................................................................................................................18
Test System Verification........................................................................................................18
8. SAR Test Data Summary ..................................................................................................19
Procedures Used To Establish Test Signal ...........................................................................19
Device Test Condition ...........................................................................................................19
SAR Data Summary – 900 MHz Body ...................................................................................22
SAR Data Summary – Simultaneous Evaluation ...................................................................23
9. Test Equipment List...........................................................................................................24
10.
Conclusion ....................................................................................................................25
11.
References ....................................................................................................................26
Appendix A – System Validation Plots and Data .......................................................................27
Appendix B – SAR Test Data Plots ...........................................................................................30
Appendix C – SAR Test Setup Photos ......................................................................................32
Appendix D – Probe Calibration Data Sheets ............................................................................38
Appendix E – Dipole Calibration Data Sheets ...........................................................................50
Appendix F – Phantom Calibration Data Sheets .......................................................................59
Appendix G – Validation Summary............................................................................................61
© 2015 RF Exposure Lab, LLC
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Report Number: SAR.20151003
1.
Introduction
This measurement report shows compliance of the Juniper Systems Model MESA or
MSA-Series FCC ID: VSF22553, VSR19799AR ,VSF25440 with FCC Part 2, 1093, ET
Docket 93-62 Rules for mobile and portable devices and IC Certificate: 7980A-22553,
7980A-25440, 7980A-24667, 7980A-25440 with RSS102 Issue 5 & Safety Code 6. The
FCC have adopted the guidelines for evaluating the environmental effects of radio
frequency radiation in ET Docket 93-62 on August 6, 1996 to protect the public and
workers from the potential hazards of RF emissions due to FCC regulated portable
devices. [1], [6]
The BT and WiFi radios have been evaluated in a separate report in a MESA host and
the data is being leveraged in this report for simultaneous evaluation.
The test results recorded herein are based on a single type test of Juniper Systems
Model MESA or MSA-Series and therefore apply only to the tested sample.
The test procedures, as described in ANSI C95.1 – 1999 Standard for Safety Levels with
Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300
GHz [2], ANSI C95.3 – 2002 Recommended Practice for the Measurement of Potentially
Hazardous Electromagnetic Fields [3], IEEE Std.1528 – 2003 Recommended Practice
[4], and Industry Canada Safety Code 6 Limits of Human Exposure to Radiofrequency
Electromagnetic Fields in the Frequency Range from 3kHz to 300 GHz were employed.
The following table indicates all the wireless technologies operating in the MESA or
MSA-Series Wireless Rugged Tablet. The table also shows the tolerance for the power
level for each mode.
Band
900 MHz
2450 MHz
2450 MHz
2450 MHz
3GPP
Nominal
Technology Class
Power
dBm
FM
802.11b
802.11g/n
BT
© 2015 RF Exposure Lab, LLC
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Setpoint
Nominal
Power
dBm
Tolerance
dBm
Maximum
Duty
Cycle
Upper
Tolerance
dBm
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
45.92%
N/A
N/A
N/A
27.0
15.0
12.5
10.5
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Report Number: SAR.20151003
SAR Definition [5]
Specific Absorption Rate is defined as the time derivative (rate) of the incremental
energy (dW) absorbed by (dissipated in) an incremental mass (dm) contained in a
volume element (dV) of a given density (ρ).
SAR =
d  dW  d  dW

= 
dt  dm  dt  ρdV



SAR is expressed in units of watts per kilogram (W/kg). SAR can be related to the
electric field at a point by
SAR =
σ | E |2
ρ
where:
σ = conductivity of the tissue (S/m)
ρ = mass density of the tissue (kg/m3)
E = rms electric field strength (V/m)
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Report Number: SAR.20151003
2.
SAR Measurement Setup
Robotic System
These measurements are performed using the DASY52 automated dosimetric
assessment system. The DASY52 is made by Schmid & Partner Engineering AG
(SPEAG) in Zurich, Switzerland and consists of high precision robotics system (Staubli),
robot controller, Intel Core2 computer, near-field probe, probe alignment sensor, and the
generic twin phantom containing the brain equivalent material. The robot is a six-axis
industrial robot performing precise movements to position the probe to the location
(points) of maximum electromagnetic field (EMF) (see Fig. 2.1).
System Hardware
A cell controller system contains the power supply, robot controller teach pendant
(Joystick), and a remote control used to drive the robot motors. The PC consists of the
HP Intel Core2 computer with Windows XP system and SAR Measurement Software
DASY52, A/D interface card, monitor, mouse, and keyboard. The Staubli Robot is
connected to the cell controller to allow software manipulation of the robot. A data
acquisition electronic (DAE) circuit that performs the signal amplification, signal
multiplexing, AD-conversion, offset measurements, mechanical surface detection,
collision detection, etc. is connected to the Electro-optical coupler (EOC). The EOC
performs the conversion from the optical into digital electric signal of the DAE and
transfers data to the PC plug-in card.
Figure 2.1 SAR Measurement System Setup
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Report Number: SAR.20151003
System Electronics
The DAE4 consists of a highly sensitive electrometer-grade preamplifier with autozeroing, a channel and gain-switching multiplexer, a fast 16 bit AD-converter and a
command decoder and control logic unit. Transmission to the PC-card is accomplished
through an optical downlink for data and status information and an optical uplink for
commands and clock lines. The mechanical probe mounting device includes two
different sensor systems for frontal and sidewise probe contacts. They are also used for
mechanical surface detection and probe collision detection. The robot uses its own
controller with a built in VME-bus computer. The system is described in detail in.
Probe Measurement System
The SAR measurements were conducted with the dosimetric probe
EX3DV4, designed in the classical triangular configuration (see Fig.
2.2) and optimized for dosimetric evaluation. The probe is
constructed using the thick film technique; with printed resistive
lines on ceramic substrates. The probe is equipped with an optical
multi fiber line ending at the front of the probe tip. (see Fig. 2.3) It is
connected to the EOC box on the robot arm and provides an
automatic detection of the phantom surface. Half of the fibers are
connected to a pulsed infrared transmitter, the other half to a
synchronized receiver. As the probe approaches the surface, the
reflection from the surface produces a coupling from the
transmitting to the receiving fibers. This reflection increases first
during the approach, reaches maximum and then decreases. If the
probe is flatly touching the surface, the coupling is zero. The
distance of the coupling maximum to the surface is independent of
the surface reflectivity and largely independent of the surface to
probe angle. The DASY52 software reads the reflection during a
software approach and looks for the maximum using a 2nd order
fitting. The approach is stopped at reaching the maximum.
DAE System
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Report Number: SAR.20151003
Probe Specifications
Calibration:
In air from 10 MHz to 6.0 GHz
In brain and muscle simulating tissue at Frequencies of 450 MHz, 835
MHz, 1750 MHz, 1900 MHz, 2450 MHz, 2600 MHz, 3500 MHz, 5200
MHz, 5300 MHz, 5600 MHz, 5800 MHz
Frequency:
10 MHz to 6 GHz
Linearity:
±0.2dB (30 MHz to 6 GHz)
Dynamic:
10 mW/kg to 100 W/kg
Range:
Linearity: ±0.2dB
Dimensions:
Tip length:
Figure 2.2 Triangular Probe Configurations
Overall length: 330 mm
20 mm
Body diameter: 12 mm
Tip diameter: 2.5 mm
Distance from probe tip to sensor center: 1 mm
Figure 2.3 Probe Thick-Film Technique
Application:
SAR Dosimetry Testing
Compliance tests of wireless device
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Report Number: SAR.20151003
Probe Calibration Process
Dosimetric Assessment Procedure
Each probe is calibrated according to a dosimetric assessment procedure described in with
accuracy better than +/- 10%. The spherical isotropy was evaluated with the procedure described in
and found to be better than +/-0.25dB. The sensitivity parameters (Norm X, Norm Y, Norm Z), the
diode compression parameter (DCP) and the conversion factor (Conv F) of the probe is tested.
Free Space Assessment
The free space E-field from amplified probe outputs is determined in a test chamber. This is
performed in a TEM cell for frequencies below 1 GHz, and in a waveguide above 1GHz for free
space. For the free space calibration, the probe is placed in the volumetric center of the cavity at
the proper orientation with the field. The probe is then rotated 360 degrees until the three channels
show the maximum reading. The power density readings equates to 1 mW/cm2.
Temperature Assessment *
E-field temperature correlation calibration is performed in a flat phantom filled with the appropriate
simulated brain tissue. The measured free space E-field in the medium, correlates to temperature
rise in a dielectric medium. For temperature correlation calibration a RF transparent thermistor
based temperature probe is used in conjunction with the E-field probe
where:
where:
SAR is proportional to ΔT / Δt , the initial rate of tissue
heating, before thermal diffusion takes place.
Now it’s possible to quantify the electric field in the simulated tissue by
equating the thermally derived SAR to the E- field;
Figure 2.4 E-Field and Temperature
Measurements at 900MHz
© 2015 RF Exposure Lab, LLC
Figure 2.5 E-Field and Temperature
Measurements at 1800MHz
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Report Number: SAR.20151003
Data Extrapolation
The DASY52 software automatically executes the following procedures to calculate the field units
from the microvolt readings at the probe connector. 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 like
below;
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Report Number: SAR.20151003
Scanning procedure
•
The DASY installation includes predefined files with recommended procedures for
measurements and system check. 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 highest integrated SAR value is the main concern in compliance test applications. These
values can mostly be found at the inner surface of the phantom and cannot be measured
directly due to the sensor offset in the probe. To extrapolate the surface values, the
measurement distances to the surface must be known accurately. A distance error of
0.5mm could produce SAR errors of 6% at 1800 MHz. Using predefined locations for
measurements is not accurate enough. Any shift of the phantom (e.g., slight deformations
after filling it with liquid) would produce high uncertainties. For an automatic and accurate
detection of the phantom surface, the DASY5 system uses the mechanical surface
detection. The detection is always at touch, but the probe will move backward from the
surface the indicated distance before starting the measurement.
•
The „area scan“ measures the SAR above the DUT or verification dipole on a parallel plane
to the surface. It is used to locate the approximate location of the peak SAR with 2D
spline interpolation. The robot performs a stepped movement along one grid axis while the
local electrical field strength is measured by the probe. The probe is touching the surface of
the SAM during acquisition of measurement values. The scan uses different grid spacings
for different frequency measurements. Standard grid spacing for head measurements in
frequency ranges≤ 2GHz is 15 mm in x - and y- dimension. For higher frequencies a finer
resolution is needed, thus for the grid spacing is reduced according the following table:
Area scan grid spacing for different frequency ranges
Frequency range
Grid spacing
≤ 2 GHz
≤ 15 mm
2 – 4 GHz
≤ 12 mm
4 – 6 GHz
≤ 10 mm
Grid spacing and orientation have no influence on the SAR result. For special applications where the
standard scan method does not find the peak SAR within the grid, e.g. mobile phones with flip cover,
the grid can be adapted in orientation. Results of this coarse scan are shown in annex B.
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Report Number: SAR.20151003
•
A „zoom scan” measures the field in a volume around the 2D peak SAR value acquired
in the previous „coarse“ scan. It uses a fine meshed grid where the robot moves the probe
in steps along all the 3 axis (x,y and z-axis) starting at the bottom of the Phantom. The
grid spacing for the cube measurement is varied according to the measured frequency
range, the dimensions are given in the following table:
Zoom scan grid spacing and volume for different frequency ranges
Grid spacing
Grid spacing
Minimum zoom
Frequency range
for x, y axis
for z axis
scan volume
≤ 2 GHz
≤ 8 mm
≤ 5 mm
≥ 30 mm
2 – 3 GHz
≤ 5 mm
≤ 5 mm
≥ 28 mm
3 – 4 GHz
≤ 5 mm
≤ 4 mm
≥ 28 mm
4 – 5 GHz
≤ 4 mm
≤ 3 mm
≥ 25 mm
5 – 6 GHz
≤ 4 mm
≤ 2 mm
≥ 22 mm
DASY is also able to perform repeated zoom scans if more than 1 peak is found during area scan. In this
document, the evaluated peak 1g and 10g averaged SAR values are shown in the 2D-graphics in annex
B. Test results relevant for the specified standard (see section 3) are shown in table form in section 7.
© 2015 RF Exposure Lab, LLC
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Report Number: SAR.20151003
Spatial Peak SAR Evaluation
The spatial peak SAR - value for 1 and 10 g is evaluated after the Cube measurements have been
done. The basis of the evaluation are the SAR values measured at the points of the fine cube grid
consisting of all points in the three directions x, y and z. The algorithm that finds the maximal averaged
volume is separated into three different stages.
•
The data between the dipole center of the probe and the surface of the phantom are
extrapolated. This data cannot be measured since the center of the dipole is 1 to 2.7 mm
away from the tip of the probe and the distance between the surface and the lowest
measuring point is about 1 mm (see probe calibration sheet). The extrapolated data from
a cube measurement can be visualized by selecting ‘Graph Evaluated’.
•
The maximum interpolated value is searched with a straight-forward algorithm. Around this
maximum the SAR - values averaged over the spatial volumes (1g or 10 g) are computed
using the 3d-spline interpolation algorithm. If the volume cannot be evaluated (i.e., if a part
of the grid was cut off by the boundary of the measurement area) the evaluation will be
started on the corners of the bottom plane of the cube.
•
All neighboring volumes are evaluated until no neighboring volume with a higher average
value is found.
Extrapolation
The extrapolation is based on a least square algorithm [W. Gander, Computermathematik, p.168180]. Through the points in the first 3 cm along the z-axis, polynomials of order four are
calculated. These polynomials are then used to evaluate the points between the surface and the
probe tip. The points, calculated from the surface, have a distance of 1 mm from each other.
Interpolation
The interpolation of the points is done with a 3d-Spline. The 3d-Spline is composed of three onedimensional splines with the "Not a knot"-condition [W. Gander, Computermathematik, p.141-150] (x,
y and z -direction) [Numerical Recipes in C, Second Edition, p.123ff ].
Volume Averaging
At First the size of the cube is calculated. Then the volume is integrated with the trapezoidal algorithm.
8000 points (20x20x20) are interpolated to calculate the average.
Advanced Extrapolation
DASY uses the advanced extrapolation option which is able to compensate boundary effects on Efield probes.
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Report Number: SAR.20151003
SAM PHANTOM
The SAM Twin Phantom V4.0 is constructed of a fiberglass shell integrated in a wooden table.
The shape of the shell is based on data from an anatomical study designed to determine the
maximum exposure in at least 90% of all users. It enables the dosimetric evaluation of left and
right hand phone usage as well as body mounted usage at the flat phantom region. A cover
prevents the evaporation of the liquid. Reference markings on the Phantom allow the complete
setup of all predefined phantom positions and measurement grids by manually teaching three
points in the robot. (see Fig. 2.6)
Phantom Specification
Phantom:
Shell Material:
Thickness:
SAM Twin Phantom (V4.0)
Vivac Composite
2.0 ± 0.2 mm
Figure 2.6 SAM Twin Phantom
Device Holder for Transmitters
In combination with the SAM Twin Phantom V4.0 the Mounting Device (see Fig. 2.7), enables the
rotation of the mounted transmitter in spherical coordinates whereby the rotation point is the ear
opening. The devices can be easily, accurately, and repeat ably be positioned according to the
FCC, CENELEC, IEC and IEEE specifications. The device holder can be locked at different
phantom locations (left head, right head, flat phantom).
Note: A simulating human hand is not used due to the complex
anatomical and geometrical structure of the hand that may
produce infinite number of configurations. To produce the worstcase condition (the hand absorbs antenna output power), the
hand is omitted during the tests.
Figure 2.7 Mounting Device
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Report Number: SAR.20151003
3.
Probe and Dipole Calibration
See Appendix D and E.
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Report Number: SAR.20151003
4.
Phantom & Simulating Tissue Specifications
Head & Body Simulating Mixture Characterization
The head and body mixtures consist of the material based on the table listed below. The
mixture is calibrated to obtain proper dielectric constant (permittivity) and conductivity of
the desired tissue. Body tissue parameters that have not been specified in IEEE15282013 are derived from the issue dielectric parameters computed from the 4-Cole-Cole
equations.
Table 4.1 Typical Composition of Ingredients for Tissue
Ingredients
Simulating Tissue
900 MHz Body
Mixing Percentage
Water
52.50
Sugar
45.00
Salt
1.40
HEC
1.00
Bactericide
0.10
DGBE
0.00
Dielectric Constant Target
55.00
Conductivity (S/m) Target
1.05
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Report Number: SAR.20151003
5.
ANSI/IEEE C95.1 – 1992 RF Exposure Limits [2]
Uncontrolled Environment
Uncontrolled Environments are defined as locations where there is the exposure of
individuals who have no knowledge or control of their exposure. The general
population/uncontrolled exposure limits are applicable to situations in which the general
public may be exposed or in which persons who are exposed as a consequence of their
employment may not be made fully aware of the potential for exposure or cannot
exercise control over their exposure. Members of the general public would come under
this category when exposure is not employment-related; for example, in the case of a
wireless transmitter that exposes persons in its vicinity.
Controlled Environment
Controlled Environments are defined as locations where there is exposure that may be
incurred by persons who are aware of the potential for exposure, (i.e. as a result of
employment or occupation). In general, occupational/controlled exposure limits are
applicable to situations in which persons are exposed as a consequence of their
employment, who have been made fully aware of the potential for exposure and can
exercise control over their exposure. This exposure category is also applicable when the
exposure is of a transient nature due to incidental passage through a location where the
exposure levels may be higher than the general population/uncontrolled limits, but the
exposed person is fully aware of the potential for exposure and can exercise control over
his or her exposure by leaving the area or by some other appropriate means.
Table 5.1 Human Exposure Limits
UNCONTROLLED ENVIRONMENT
General Population
(W/kg) or (mW/g)
CONTROLLED ENVIROMENT
Professional Population
(W/kg) or (mW/g)
SPATIAL PEAK SAR 1
Head
1.60
8.00
SPATIAL AVERAGE SAR 2
Whole Body
0.08
0.40
SPATIAL PEAK SAR 3
Hands, Feet, Ankles, Wrists
4.00
20.00
The Spatial Peak value of the SAR averaged over any 1 gram of tissue (defined as a tissue volume in the shape of
a cube) and over the appropriate averaging time.
The Spatial Average value of the SAR averaged over the whole body.
The Spatial Peak value of the SAR averaged over any 10 grams of tissue (defined as a tissue volume in the shape
of a cube) and over the appropriate averaging time.
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Report Number: SAR.20151003
6.
Measurement Uncertainty
Measurement uncertainty table is not required per KDB 865664 D01 v01 section 2.8.2 page 12.
SAR measurement uncertainty analysis is required in the SAR report only when the highest
measured SAR in a frequency band is ≥ 1.5 W/kg for 1-g SAR. The equivalent ratio (1.5/1.6)
should be applied to extremity and occupational exposure conditions. The highest reported
value is less than 1.5 W/kg. Therefore, the measurement uncertainty table is not required.
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Report Number: SAR.20151003
7.
System Validation
Tissue Verification
Table 7.1 Measured Tissue Parameters
Date(s)
Liquid Temperature (˚C)
Dielectric Constant: ε
Conductivity: σ
900 MHz Body
Oct. 9, 2015
Target
Measured
55.00
54.38
1.05
1.07
20.0
See Appendix A for data printout.
Test System Verification
Prior to assessment, the system is verified to the ±10% of the specifications at the test
frequency by using the system kit. Power is normalized to 1 watt. (Graphic Plots
Attached)
Table 7.2 System Dipole Validation Target & Measured
09-Oct-2015
Test
Frequency
Targeted
SAR1g
(W/kg)
Measure
SAR1g (W/kg)
Tissue Used
for Verification
900 MHz
10.70
10.70
Body
See Appendix A for data plots.
Deviation
Target and
Fast SAR
to SAR (%)
+ 0.00
Plot
Number
Spacer
3D Probe positioner
Field probe
Flat Phantom
Dipole
Dir.Coupler
Signal
Generato
Amp
Low
Pass
3dB
Cable
Att3
Att1
PM1
Att2
PM3
PM2
Figure 7.1 Dipole Validation Test Setup
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Report Number: SAR.20151003
8.
SAR Test Data Summary
See Measurement Result Data Pages
See Appendix B for SAR Test Data Plots.
See Appendix C for SAR Test Setup Photos.
Procedures Used To Establish Test Signal
The device was either placed into simulated transmit mode using the manufacturer’s test
codes or the actual transmission is activated through a base station simulator or similar
equipment. See data pages for actual procedure used in measurement.
Device Test Condition
In order to verify that the device was tested at full power, conducted output power
measurements were performed before and after each SAR measurement to confirm the
output power unless otherwise noted. If a conducted power deviation of more than 5%
occurred, the test was repeated. The power drift of each test is measured at the start of
the test and again at the end of the test. The drift percentage is calculated by the
formula ((end/start)-1)*100 and rounded to three decimal places. The drift percentage is
calculated into the resultant SAR value on the data sheet for each test.
The EUT was tested in on the back, left, right and top side of the device where the
antenna was within 25 mm of that side. All measurements were conducted with the side
of the device in direct contact with the phantom.
The device was transmitting at a maximum of 100% duty cycle. The device can operate
at a maximum of 45.92% duty cycle. Therefore, the SAR value was scaled to the lower
duty cycle on page 22.
The antenna was on a minimum of 10 cm of Styrofoam during each test.
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Report Number: SAR.20151003
Band
900 MHz
© 2015 RF Exposure Lab, LLC
Channel
Frequency
(MHz)
902.3
915.0
927.7
Antenna
Power
(dBm)
26.48
Main
26.37
26.16
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Report Number: SAR.20151003
Figure 8.1 Test Reduction Table – 900 MHz Main
Mode
Side
Required
Channel
Tested/Reduced
1 – 902.3 MHz
Reduced1
2 – 915.0 MHz
Tested
3 – 927.7 MHz
Reduced1
1 – 902.3 MHz
Reduced1
Left
2 – 915.0 MHz
Tested
3 – 927.7 MHz
Reduced1
1 – 902.3 MHz
Reduced1
FM
Right
2 – 915.0 MHz
Tested
3 – 927.7 MHz
Reduced1
1 – 902.3 MHz
Tested
Top
2 – 915.0 MHz
Tested
3 – 927.7 MHz
Tested
1 – 902.3 MHz
Reduced2
Bottom
2 – 915.0 MHz
Reduced2
3 – 927.7 MHz
Reduced2
Reduced1 – When the mid channel is 3 dB below the limit, the remaining channels are not required per KDB 447498 D01 v05r02
section 4.3.3 page 14.
Reduced2 – When the antenna is more than 25 mm from a side, the test can be reduced per KDB447498 D01 v05r02 section 4.3.1
1) page 11. See below for calculations.
Back
Calculations for test exclusion for Bottom side.
Maximum power: 501.2 mW
Bottom distance: 195 mm
The bottom would be excluded.
[{[(3.0)/(√0.9277)]*50 mm}]+[{195-50 mm}*10]=1605 mW which is greater than 501.2 mW
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Report Number: SAR.20151003
SAR Data Summary – 900 MHz Body
MEASUREMENT RESULTS
Plot
------------1
---------
Gap
mm
Position
Back
Left
Right
Top
Frequency
MHz
915.0
915.0
915.0
902.3
915.0
927.7
Ch.
Modulation
FM
FM
FM
FM
FM
FM
Antenna
End Power
Main
(dBm)
26.37
26.37
26.37
26.48
26.37
26.16
Measured
SAR (W/kg)
Scaled
SAR (W/kg)
Reported
45.92% D.C.
0.631
0.189
0.544
2.16
1.72
1.92
0.73
0.22
0.63
2.44
1.99
2.33
0.34
0.10
0.29
1.12
0.91
1.07
Body
1.6 W/kg (mW/g)
averaged over 1 gram
1. Battery is fully charged for all tests.
Conducted
Power Measured
2. SAR Measurement
Phantom Configuration
Left Head
Head
SAR Configuration
3. Test Signal Call Mode
Test Code
With Belt Clip
4. Test Configuration
5. Tissue Depth is at least 15.0 cm
ERP
EIRP
Eli4
Right Head
Body
Base Station Simulator
Without Belt Clip
N/A
Jay M. Moulton
Vice President
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Report Number: SAR.20151003
SAR Data Summary – Simultaneous Evaluation
MEASUREMENT RESULTS – 900 MHz Radio with BT Radio
Frequency
MHz
902.3
Ch.
Modulation
FM
Frequency
MHz
2440
Ch.
39
Modulation
SAR1
SAR2
SAR Total
GFSK
1.12
0.28
1.40
Body
1.6 W/kg (mW/g)
averaged over 1 gram
The sum of the two transmitters is less than the limit; therefore, the simultaneous transmission meets the
requirements of KDB447498 D01 v05r02 section 4.3.2 page 11.
The BT transmitter is excluded from testing based on KDB447498 D01 v05r02 section 4.3.1 1). Below is the
calculation:
(10.5/8)* √2.48≤3.0, the calculated value is 2.07 which is less than 3.0
*The value of SAR2 is calculated based on KDB447498 D01 v05r02 section 4.3.2 2) using the following formula.
[max power in mW/min distance in mm] * [√f(GHz)/x] W/kg, where x=7.5
[10.5/8] * [√2.48/7.5] = 0.28
MEASUREMENT RESULTS – 900 MHz Radio with WiFi Radio
Frequency
MHz
902.3
Ch.
Modulation
FM
Frequency
MHz
2437
Ch.
Modulation
SAR1 - Main
SAR2 - Aux
SAR Total
DSSS
1.12
0.31
1.43
Body
1.6 W/kg (mW/g)
averaged over 1 gram
The sum of the two transmitters is less than the limit; therefore, the simultaneous transmission meets the
requirements of KDB447498 D01 v05r02 section 4.3.2 page 11.
MEASUREMENT RESULTS – 900 MHz Radio with WiFi Radio
Frequency
MHz
2437
Ch.
Modulation
DSSS
Frequency
MHz
2440
Ch.
39
Modulation
SAR1 - Main
SAR2 - Aux
SAR Total
GFSK
0.31
0.28
0.49
Body
1.6 W/kg (mW/g)
averaged over 1 gram
The sum of the two transmitters is less than the limit; therefore, the simultaneous transmission meets the
requirements of KDB447498 D01 v05r02 section 4.3.2 page 11.
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Report Number: SAR.20151003
9.
Test Equipment List
Table 9.1 Equipment Specifications
Type
Calibration Due Date
Calibration Done Date
Serial Number
Staubli Robot TX60L
Measurement Controller CS8c
ELI4 Flat Phantom
Device Holder
Data Acquisition Electronics 4
SPEAG E-Field Probe EX3DV4
Speag Validation Dipole D900V2
Agilent N1911A Power Meter
Agilent N1922A Power Sensor
Advantest R3261A Spectrum Analyzer
Agilent (HP) 8350B Signal Generator
Agilent (HP) 83525A RF Plug-In
Agilent (HP) 8753C Vector Network Analyzer
Agilent (HP) 85047A S-Parameter Test Set
Agilent (HP) 8960 Base Station Sim.
Anritsu MT8820C
Agilent 778D Dual Directional Coupler
MiniCircuits BW-N20W5+ Fixed 20 dB
Attenuator
MiniCircuits SPL-10.7+ Low Pass Filter
Aprel Dielectric Probe Assembly
Body Equivalent Matter (900 MHz)
N/A
N/A
N/A
N/A
04/15/2016
04/27/2016
12/03/2015
05/20/2017
06/25/2017
03/26/2017
03/26/2017
03/26/2017
03/26/2017
03/26/2017
03/31/2017
07/28/2017
N/A
N/A
N/A
N/A
N/A
N/A
04/15/2015
04/27/2015
12/03/2012
05/20/2015
06/25/2015
03/26/2015
03/26/2015
03/26/2015
03/26/2015
03/26/2015
03/31/2015
07/28/2015
N/A
N/A
F07/55M6A1/A/01
1012
1065
N/A
1416
3662
1d044
GB45100254
MY45240464
31720068
2749A10226
2647A01172
3135A01724
2904A00595
MY48360364
6201176199
MY48220184
N/A
N/A
N/A
N/A
N/A
N/A
N/A
R8979513746
0011
N/A
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Report Number: SAR.20151003
10. Conclusion
The SAR measurement indicates that the EUT complies with the RF radiation exposure
limits of the FCC/IC. These measurements are taken to simulate the RF effects
exposure under worst-case conditions. Precise laboratory measures were taken to
assure repeatability of the tests. The tested device complies with the requirements in
respect to all parameters subject to the test. The test results and statements relate only
to the item(s) tested.
Please note that the absorption and distribution of electromagnetic energy in the body is
a very complex phenomena that depends on the mass, shape, and size of the body; the
orientation of the body with respect to the field vectors; and, the electrical properties of
both the body and the environment. Other variables that may play a substantial role in
possible biological effects are those that characterize the environment (e.g. ambient
temperature, air velocity, relative humidity, and body insulation) and those that
characterize the individual (e.g. age, gender, activity level, debilitation, or disease).
Because innumerable factors may interact to determine the specific biological outcome
of an exposure to electromagnetic fields, any protection guide shall consider maximal
amplification of biological effects as a result of field-body interactions, environmental
conditions, and physiological variables.
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Report Number: SAR.20151003
11. References
[1]
Federal Communications Commission, ET Docket 93-62, Guidelines for
Evaluating the Environmental Effects of Radio Frequency Radiation, August 1996
[2]
ANSI/IEEE C95.1 – 1992, American National Standard Safety Levels with
respect to Human Exposure to Radio Frequency Electromagnetic Fields, 300kHz to
100GHz, New York: IEEE, 1992.
[3]
ANSI/IEEE C95.3 – 1992, IEEE Recommended Practice for the Measurement of
Potentially Hazardous Electromagnetic Fields – RF and Microwave, New York: IEEE,
1992.
[4]
International Electrotechnical Commission, IEC 62209-2 (Edition 1.0), Human
Exposure to radio frequency fields from hand-held and body mounted wireless
communication devices – Human models, instrumentation, and procedures – Part 2:
Procedure to determine the specific absorption rate (SAR) for wireless communication
devices used in close proximity to the human body (frequency range of 30 MHz to 6
GHz), March 2010.
[5]
IEEE Standard 1528 – 2013, IEEE Recommended Practice for Determining the
Peak-Spatial Average Specific Absorption Rate (SAR) in the Human Head from Wireless
Communication Devices: Measurement Techniques, June 2013.
[6]
Industry Canada, RSS – 102 Issue 5, Radio Frequency Exposure Compliance of
Radiocommunication Apparatus (All Frequency Bands), March 2015.
[7]
Health Canada, Safety Code 6, Limits of Human Exposure to Radiofrequency
Electromagnetic Fields in the Frequency Range from 3kHz to 300 GHz, 2009.
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Report Number: SAR.20151003
Appendix A – System Validation Plots and Data
************************************************************
Test Result for UIM Dielectric Parameter
Fri 09/Oct/2015
Freq
Frequency(GHz)
FCC_eH Limits for Head Epsilon
FCC_sH Limits for Head Sigma
FCC_eB Limits for Body Epsilon
FCC_sB Limits for Body Sigma
Test_e Epsilon of UIM
Test_s Sigma of UIM
************************************************************
Freq
FCC_eB FCC_sB Test_e Test_s
0.8900
55.03 1.04
54.42 1.06
0.9000
55.00 1.05
54.38 1.07
0.9023
55.00 1.052 54.373 1.072*
0.9100
55.00 1.06
54.35 1.08
0.9150
54.995 1.06
54.335 1.085*
0.9200
54.99 1.06
54.32 1.09
0.9277
54.975 1.068 54.305 1.098*
0.9300
54.97 1.07
54.30 1.10
0.9400
54.95 1.07
54.27 1.10
0.9500
54.93 1.08
54.25 1.11
* value interpolated
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Report Number: SAR.20151003
RF Exposure Lab
Plot 1
DUT: Dipole 900 MHz D900V2; Type: D900V2; Serial: D900V2 - SN: 1d044
Communication System: CW; Frequency: 900 MHz; Duty Cycle: 1:1
Medium: MSL900; Medium parameters used: f = 900 MHz; σ = 1.07 mho/m; εr = 54.38; ρ = 1000 kg/m3
Phantom section: Flat Section
Test Date: Date: 10/9/2015; Ambient Temp: 23° C; Tissue Temp: 21° C
Probe: EX3DV4 - SN3662; ConvF(8.59, 8.59, 8.59); Calibrated: 4/27/2015;
Sensor-Surface: 2mm (Mechanical Surface Detection)
Electronics: DAE4 Sn1416; Calibrated: 4/15/2015
Phantom: ELI v4.0; Type: QDOVA001BB; Serial: 1065
Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331)
Procedure Notes:
Verification/900 MHz Body/Area Scan (41x101x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm
Maximum value of SAR (interpolated) = 1.15 W/kg
Verification/900 MHz Body/Zoom Scan (5x5x5)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=8mm
Reference Value = 33.828 V/m; Power Drift = -0.03 dB
Peak SAR (extrapolated) = 1.591 mW/g
SAR(1 g) = 1.07 mW/g; SAR(10 g) = 0.695 mW/g
Maximum value of SAR (measured) = 1.16 W/kg
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Report Number: SAR.20151003
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Report Number: SAR.20151003
Appendix B – SAR Test Data Plots
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Report Number: SAR.20151003
RF Exposure Lab
Plot 1
DUT: Mesa; Type: Wireless Tablet; Serial: 163301
Communication System: FM; Frequency: 902.3 MHz; Duty Cycle: 1:1
Medium: MSL900; Medium parameters used (interpolated): f = 902.3 MHz; σ = 1.072 S/m; εr = 54.373; ρ = 1000 kg/m3
Phantom section: Flat Section
Test Date: Date: 10/9/2015; Ambient Temp: 23 °C; Tissue Temp: 21 °C
Probe: EX3DV4 - SN3662; ConvF(8.59, 8.59, 8.59); Calibrated: 4/27/2015;
Sensor-Surface: 2mm (Mechanical Surface Detection)
Electronics: DAE4 Sn1416; Calibrated: 4/15/2015
Phantom: ELI v4.0; Type: QDOVA001BB; Serial: 1065
Measurement SW: DASY52, Version 52.8 (8); SEMCAD X Version 14.6.10 (7331)
Procedure Notes:
900 MHz Mesa NA/End Low/Area Scan (7x7x1): Measurement grid: dx=15mm, dy=15mm
Maximum value of SAR (measured) = 2.83 W/kg
900 MHz Mesa NA/End Low/Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm
Reference Value = 43.41 V/m; Power Drift = 0.02 dB
Peak SAR (extrapolated) = 4.43 W/kg
SAR(1 g) = 2.16 W/kg; SAR(10 g) = 1.1 W/kg
Maximum value of SAR (measured) = 3.22 W/kg
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Report Number: SAR.20151003
Appendix C – SAR Test Setup Photos
Test Position Back 0 mm Gap
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Report Number: SAR.20151003
Test Position Left 0 mm Gap
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Report Number: SAR.20151003
Test Position Right 0 mm Gap
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Test Position Top 0 mm Gap
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Report Number: SAR.20151003
Front of Device
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Report Number: SAR.20151003
Back of Device
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Report Number: SAR.20151003
Appendix D – Probe Calibration Data Sheets
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Report Number: SAR.20151003
Appendix E – Dipole Calibration Data Sheets
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Report Number: SAR.20151003
Appendix F – Phantom Calibration Data Sheets
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Schmid
& Partner
_Engineering
_ _AG
_ _ _ _ _ _IIIIIIiiiiiIIII_rr
........
n __
W ゥ セ
Zeughausstrasse 43, 8004 Zurich, Switzerland
Phone +41 44 245 9700, Fax +41 44 245 9779
info@speag.com, httpJ/www.speag.com
Certificate of Conformity I First Article Inspection
Item
Type No
Series No
Manufacturer
Oval Flat Phantom ELI 4.0
QD OVA 001 B
1003 and higher
Untersee Composites
Knebelstrasse 8
CH-8268 Mannenbach, Switzerland
Tests
Complete tests were made on the prototype units QD OVA 001 AA 1001, QD OVA 001 AB 1002,
pre-series units QD OVA 001 BA 1003-1005 as well as on the series units QD OVA 001 BB, 1006 ft.
Test
Material
thickness
Material
parameters
Material
resistivity
Shape
Requirement
Compliant with the standard
requirements
Dielectric parameters for required
freauencies
The material has been tested to be
compatible with the liquids defined in
the standards if handled and cleaned
according to the instructions.
Thickness of bottom material,
Internal dimensions,
Sagging
compatible with standards from
minimum frequency
Details
Bottom plate:
2.0mm +/- 0.2mm
< 6 GHz: ReI. permittivity 4
+/-1, Loss tangent s 0.05
DGBE based simUlating
liquids.
Observe Technical Note for
material compatibilitv.
Bottom elliptical 600 x 400 mm
Depth 190 mm,
Shape is within tolerance for
filling height up to 155 mm,
Eventual sagging is reduced or
eliminated by support via DUT
Units tested
all
Material
sample
Equivalent
phantoms,
Material
sample
Prototypes,
Sample
testing
Standards
[1] CENELEC EN 50361-2001, « Basic standard for the measurement of the Specific Absorption Rate
related to human exposure to electromagnetic fields from mobile phones (300 MHz - 3 GHz) », July
2001
[2] IEEE 1528-2003, "Recommended Practice for Determining the Peak Spatial-Average Specific
Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement
Techniques, December 2003
[3] IEC 62209 - 1, "Specific Absorption Rate (SAR) in the frequency range of 300 MHz to 3 GHz Measurement Procedure, Part 1: Hand-held mobile wireless communication devices", February
2005
[4] IEC 62209 - 2, Draft, "Human Exposure to Radio Frequency Fields from Handheld and BodyMounted Wireless Communication Devices - Human models, Instrumentation and Procedures Part 2: Procedure to determine the Specific Absorption Rate (SAR) in the head and body for 30
MHz to 6 GHz Handheld and Body-Mounted Devices used in close proximity to the Body.",
February 2005
[5] OET Bulletin 65, Supplement C, "Evaluating Compliance with FCC Guidelines for Human Exposure
to Radiofrequency Electromagnetic Fields", Edition January 2001
Based on the tests above, we certify that this item is in compliance with the standards [1] to [5] if
operated according to the specific requirements and considering the thickness. The dimensions are fully
compliant with [4] from 30 MHz to 6 GHz. For the other standards, the minimum lower frequency limit is
limited due to the dimensional requirements ([1]: 450 MHz, [2]: 300 MHZ!3]: 800 MHz, [5]: 375 MHz)
N[ ウ B ェーャL ⦅・ 。セ ヲ GM
__セ
and possibly further by the dimensions of the DUT.
Date
28.4.2008
Doc No
881 - aD OVA 001 B - D
Signature I Stamp
Schmid & Partner Engineering AG
Zeughauptrasse 43,-8004 Zurich, Switzerland
Phone ttlt 44245 9/00. fェャ yKTQIエTセ U
977.9
i nfo@ipeag,com; http://www.speag.com
Page
1 (1)
Report Number: SAR.20151003
Appendix G – Validation Summary
Per FCC KDB 865664 D02v01, SAR system validation status should be documented to confirm
measurement accuracy. The SAR systems (including SAR probes, system components and
software versions) used for this device were validated against its performance specifications
prior to the SAR measurements. Reference dipoles were used with the required tissue
equivalent media for system validation according to the procedures outlined in FCC KDB
865664 D01 v01 and IEEE 1528-2013. Since SAR probe calibrations are frequency dependent,
each probe calibration point was validated at a frequency within the valid frequency range of the
probe calibration point using the system that normally operates with the probe for routine SAR
measurements and according to the required tissue equivalent media.
A tabulated summary of the system validation status including the validation date(s),
measurement frequencies, SAR probes and tissue dielectric parameters has been included.
Table G-1
SAR System Validation Summary
CW Validation
SAR
System
Freq.
(MHz)
Date
900
5/8/2015
Probe
S/N
Probe
Type
3662
EX3DV4
© 2015 RF Exposure Lab, LLC
Probe Cal.
Point
900
Body
Cond.
(σ)
Perm.
(ɛr)
1.07
55.16
Modulation Validation
Sensitivity
Probe
Linearity
Probe
Isotropy
Modulation
Type
Duty
Factor
PAR
Pass
Pass
Pass
FM
N/A
N/A
Page 61 of 61
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Download: 25440 RFID Interrogator RF Exposure Info SAR Report - Mesa Juniper Systems, Inc.
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Permanent ConfidentialNo
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Date Submitted2015-12-14 00:00:00
Date Available2015-12-14 00:00:00
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Document TitleSAR Report - Mesa
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